{"id":12541,"date":"2026-03-16T03:36:41","date_gmt":"2026-03-16T03:36:41","guid":{"rendered":"https:\/\/hlh-js.com\/?p=12541"},"modified":"2026-03-16T03:50:59","modified_gmt":"2026-03-16T03:50:59","slug":"ceramic-vs-plastic-vs-steel-media","status":"publish","type":"post","link":"https:\/\/hlh-js.com\/fr\/resource\/blog\/ceramic-vs-plastic-vs-steel-media\/","title":{"rendered":"Ceramic vs. Plastic vs. Steel Media"},"content":{"rendered":"<!-- ============================================================\n     CERAMIC VS PLASTIC VS STEEL MEDIA \u2013 BLOG PAGE #9\n     Company: Jiangsu Henglihong Technology Co., Ltd.\n     Target: WordPress Gutenberg \u2192 Custom HTML block\n     SEO Target Keyword: Ceramic vs Plastic vs Steel Media\n     Secondary KWs: mass finishing media comparison, types of tumbling media,\n                    plastic vs ceramic deburring media, steel burnishing media\n     Pillar Page: https:\/\/hlh-js.com\/resource\/blog\/ceramic-media\/\n     Word Count: ~3,200 words\n     Tone: Objective, comparative, decision-focused\n     Last updated: 2026-03\n     ============================================================ -->\n\n<style>\n\/* \u2500\u2500 Reset & Base \u2500\u2500 *\/\n.hlh-pillar *,\n.hlh-pillar *::before,\n.hlh-pillar *::after { box-sizing: border-box; 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}\n\n\/* \u2500\u2500 Anchor \u2500\u2500 *\/\n.hlh-anchor { scroll-margin-top: 80px; }\n\n\/* \u2500\u2500 Responsive \u2500\u2500 *\/\n@media (max-width: 640px) {\n  .hlh-hero { padding: 36px 24px; }\n  .hlh-toc  { padding: 20px 20px; }\n  .hlh-cta  { padding: 32px 22px; }\n  .hlh-trio { grid-template-columns: 1fr; }\n  .hlh-flow { flex-direction: column; }\n  .hlh-flow-stage { border-right: none; border-bottom: 2px solid #d0dcea; width: 100%; }\n  .hlh-flow-stage:last-child { border-bottom: none; }\n  .hlh-flow-arrow { display: none; }\n}\n<\/style>\n\n<div class=\"hlh-pillar\" itemscope itemtype=\"https:\/\/schema.org\/Article\">\n\n  \n\n  <!-- Hero -->\n  <div class=\"hlh-hero\">\n    <h1 itemprop=\"headline\">Ceramic vs. Plastic vs. Steel Media: Which Mass Finishing Media Is Right for Your Application?<\/h1>\n    <p class=\"hlh-hero-sub\">A definitive head-to-head comparison of the three principal mass finishing media types \u2014 covering cut rate, workpiece compatibility, surface finish capability, cost of ownership, and the exact scenarios where each media wins.<\/p>\n    <div class=\"hlh-hero-meta\">\n      <span>&#128197; <strong>Updated March 2026<\/strong><\/span>\n      <span>&#9201; <strong>15 min<\/strong> read<\/span>\n      <span>&#127981; By <strong>Jiangsu Henglihong Technology<\/strong><\/span>\n    <\/div>\n  <\/div>\n\n  <!-- TOC -->\n  <nav class=\"hlh-toc\" aria-label=\"Table of Contents\">\n    <div class=\"hlh-toc-title\">&#9776; Table of Contents<\/div>\n    <ol>\n      <li><a href=\"#overview\">The Three Media Types at a Glance<\/a><\/li>\n      <li><a href=\"#ceramic\">Ceramic Media \u2014 The Cut-Rate Leader<\/a><\/li>\n      <li><a href=\"#plastic\">Plastic Media \u2014 The Gentle Specialist<\/a><\/li>\n      <li><a href=\"#steel\">Steel Media \u2014 The Burnishing Expert<\/a><\/li>\n      <li><a href=\"#master-table\">Master Comparison Table (18 Dimensions)<\/a><\/li>\n      <li><a href=\"#by-workpiece\">Selection by Workpiece Material<\/a><\/li>\n      <li><a href=\"#by-objective\">Selection by Finishing Objective<\/a><\/li>\n      <li><a href=\"#multi-stage\">Multi-Stage Processes: Using All Three Together<\/a><\/li>\n      <li><a href=\"#cost\">Cost of Ownership Comparison<\/a><\/li>\n      <li><a href=\"#faq\">Questions fr\u00e9quemment pos\u00e9es<\/a><\/li>\n    <\/ol>\n  <\/nav>\n\n  <!-- \u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\n       SECTION 1 \u2014 OVERVIEW\n  \u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550 -->\n  <h2 id=\"overview\" class=\"hlh-anchor\">1. The Three Media Types at a Glance<\/h2>\n\n  <p>\n    Mass finishing media falls into three principal families, each with a distinct mechanism of action, a different cost profile, and a set of applications where it performs best. Understanding these three families \u2014 and crucially, recognizing that they are not always competitors but often collaborators in multi-stage processes \u2014 is the foundation of any effective surface finishing strategy.\n  <\/p>\n\n  <div class=\"hlh-trio\">\n    <!-- Ceramic -->\n    <div class=\"hlh-trio-card\">\n      <div class=\"hlh-trio-header hlh-trio-header-ceramic\">\n        <span class=\"hlh-trio-icon\">&#9651;<\/span>\n        <div class=\"hlh-trio-name\">Supports en c\u00e9ramique<\/div>\n        <div class=\"hlh-trio-tagline\">Abrasive grain in a fired ceramic bond<\/div>\n      <\/div>\n      <div class=\"hlh-trio-body\">\n        <div class=\"hlh-trio-stat\"><span class=\"hlh-trio-stat-label\">Mechanism<\/span><span class=\"hlh-trio-stat-val\">Abrasive micro-cutting<\/span><\/div>\n        <div class=\"hlh-trio-stat\"><span class=\"hlh-trio-stat-label\">Primary use<\/span><span class=\"hlh-trio-stat-val\">Deburring &amp; surface prep<\/span><\/div>\n        <div class=\"hlh-trio-stat\"><span class=\"hlh-trio-stat-label\">Cut rate<\/span><span class=\"hlh-trio-stat-val\">Medium \u2013 High<\/span><\/div>\n        <div class=\"hlh-trio-stat\"><span class=\"hlh-trio-stat-label\">Ra achievable<\/span><span class=\"hlh-trio-stat-val\">0.1 \u2013 3.2 \u00b5m<\/span><\/div>\n        <div class=\"hlh-trio-stat\"><span class=\"hlh-trio-stat-label\">Media life<\/span><span class=\"hlh-trio-stat-val\">800 \u2013 2,000 hrs<\/span><\/div>\n        <div class=\"hlh-trio-stat\"><span class=\"hlh-trio-stat-label\">Relative cost<\/span><span class=\"hlh-trio-stat-val\"><span class=\"hlh-tag hlh-tag-blue\">Medium<\/span><\/span><\/div>\n      <\/div>\n    <\/div>\n    <!-- Plastic -->\n    <div class=\"hlh-trio-card\">\n      <div class=\"hlh-trio-header hlh-trio-header-plastic\">\n        <span class=\"hlh-trio-icon\">&#9649;<\/span>\n        <div class=\"hlh-trio-name\">Supports en plastique<\/div>\n        <div class=\"hlh-trio-tagline\">Abrasive grain in a polyester\/urea resin bond<\/div>\n      <\/div>\n      <div class=\"hlh-trio-body\">\n        <div class=\"hlh-trio-stat\"><span class=\"hlh-trio-stat-label\">Mechanism<\/span><span class=\"hlh-trio-stat-val\">Gentle abrasive cutting<\/span><\/div>\n        <div class=\"hlh-trio-stat\"><span class=\"hlh-trio-stat-label\">Primary use<\/span><span class=\"hlh-trio-stat-val\">Soft metals, delicate parts<\/span><\/div>\n        <div class=\"hlh-trio-stat\"><span class=\"hlh-trio-stat-label\">Cut rate<\/span><span class=\"hlh-trio-stat-val\">Light \u2013 Medium<\/span><\/div>\n        <div class=\"hlh-trio-stat\"><span class=\"hlh-trio-stat-label\">Ra achievable<\/span><span class=\"hlh-trio-stat-val\">0.4 \u2013 1.6 \u00b5m<\/span><\/div>\n        <div class=\"hlh-trio-stat\"><span class=\"hlh-trio-stat-label\">Media life<\/span><span class=\"hlh-trio-stat-val\">300 \u2013 800 hrs<\/span><\/div>\n        <div class=\"hlh-trio-stat\"><span class=\"hlh-trio-stat-label\">Relative cost<\/span><span class=\"hlh-trio-stat-val\"><span class=\"hlh-tag hlh-tag-green\">Low\u2013Med<\/span><\/span><\/div>\n      <\/div>\n    <\/div>\n    <!-- Steel -->\n    <div class=\"hlh-trio-card\">\n      <div class=\"hlh-trio-header hlh-trio-header-steel\">\n        <span class=\"hlh-trio-icon\">&#9679;<\/span>\n        <div class=\"hlh-trio-name\">Steel Media<\/div>\n        <div class=\"hlh-trio-tagline\">Hardened carbon steel balls, pins, or satellites<\/div>\n      <\/div>\n      <div class=\"hlh-trio-body\">\n        <div class=\"hlh-trio-stat\"><span class=\"hlh-trio-stat-label\">Mechanism<\/span><span class=\"hlh-trio-stat-val\">Cold-working \/ burnishing<\/span><\/div>\n        <div class=\"hlh-trio-stat\"><span class=\"hlh-trio-stat-label\">Primary use<\/span><span class=\"hlh-trio-stat-val\">Bright finish, compressive stress<\/span><\/div>\n        <div class=\"hlh-trio-stat\"><span class=\"hlh-trio-stat-label\">Cut rate<\/span><span class=\"hlh-trio-stat-val\">Zero (non-abrasive)<\/span><\/div>\n        <div class=\"hlh-trio-stat\"><span class=\"hlh-trio-stat-label\">Ra achievable<\/span><span class=\"hlh-trio-stat-val\">&lt; 0.1 \u00b5m (bright)<\/span><\/div>\n        <div class=\"hlh-trio-stat\"><span class=\"hlh-trio-stat-label\">Media life<\/span><span class=\"hlh-trio-stat-val\">5,000 \u2013 10,000+ hrs<\/span><\/div>\n        <div class=\"hlh-trio-stat\"><span class=\"hlh-trio-stat-label\">Relative cost<\/span><span class=\"hlh-trio-stat-val\"><span class=\"hlh-tag hlh-tag-green\">Faible<\/span><\/span><\/div>\n      <\/div>\n    <\/div>\n  <\/div>\n\n  <div class=\"hlh-callout hlh-callout-info\">\n    <div class=\"hlh-callout-icon\">&#128161;<\/div>\n    <p><strong>The right framing:<\/strong> These three media types are not always competing alternatives \u2014 in many production environments, all three are used sequentially on the same part, each performing the stage it is uniquely suited for. Ceramic removes the bulk burrs, plastic refines the surface, and steel burnishes to the final cosmetic finish. Understanding when to use each, and when to combine them, is what separates efficient finishing operations from ones that fight the process.<\/p>\n  <\/div>\n\n  <!-- \u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\n       SECTION 2 \u2014 CERAMIC\n  \u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550 -->\n  <h2 id=\"ceramic\" class=\"hlh-anchor\">2. Ceramic Media \u2014 The Cut-Rate Leader<\/h2>\n\n  <p>\n    Ceramic mass finishing media consists of abrasive grain \u2014 typically aluminum oxide, silicon carbide, or a mixture \u2014 bonded within a fired ceramic matrix. The ceramic bond is formulated to wear at a controlled rate, continuously exposing fresh abrasive grain as the outer surface abrades. This <strong>self-sharpening mechanism<\/strong> maintains a relatively consistent cut rate throughout the media&#8217;s service life, unlike coated abrasives that lose cutting efficiency as the surface layer becomes glazed.\n  <\/p>\n\n  <p>\n    Ceramic media is the dominant choice for deburring because it delivers the highest stock removal rate of any mass finishing media type. Its hardness (Mohs 8.5\u20139.5 depending on abrasive type) allows it to cut efficiently against steels, stainless steels, titanium alloys, and hardened materials that plastic media cannot effectively abrade. The fired ceramic bond also survives the high pH compounds (pH 8\u201311) used in steel deburring without significant degradation \u2014 an operating condition that would rapidly dissolve a resin-bonded plastic media chip.\n  <\/p>\n\n  <p>\n    The primary limitation of ceramic media against soft non-ferrous metals (aluminum, copper, brass) is <strong>surface imprinting<\/strong>: the hard ceramic chip can create micro-impressions or imprint patterns on soft surfaces under high contact pressure. This is mitigated by selecting fine-grit, low-abrasive-content ceramic formulations and reducing machine amplitude. For very soft or cosmetically critical non-ferrous parts, plastic media is the better first choice. For detailed ceramic media selection guidance, see our systematic <a class=\"hlh-inline-link\" href=\"https:\/\/hlh-js.com\/resource\/blog\/how-to-choose-ceramic-media\/\" target=\"_blank\" rel=\"noopener\">How to Choose Ceramic Media guide<\/a>.\n  <\/p>\n\n  <a class=\"hlh-cluster-link\" href=\"https:\/\/hlh-js.com\/resource\/blog\/ceramic-tumbling-media\/\" target=\"_blank\" rel=\"noopener\">\n    &#128196; Deep Dive: Ceramic Tumbling Media \u2014 Shapes, Cut Rates &amp; Machine Compatibility\n    <span>Full technical guide to ceramic finishing chips including machine type comparison and process setup<\/span>\n  <\/a>\n\n  <!-- \u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\n       SECTION 3 \u2014 PLASTIC\n  \u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550 -->\n  <h2 id=\"plastic\" class=\"hlh-anchor\">3. Plastic Media \u2014 The Gentle Specialist<\/h2>\n\n  <p>\n    Plastic mass finishing media \u2014 also called resin-bonded media or synthetic media \u2014 embeds abrasive grain in a polyester, urea-formaldehyde, or melamine resin matrix. Compared to ceramic media, the resin bond is significantly softer and the overall chip density is lower (typically 1.5\u20132.0 g\/cm\u00b3 vs. 2.5\u20133.5 g\/cm\u00b3 for ceramic finishing chips). This lower density and softer bond translate directly into lower contact pressure per media-workpiece collision \u2014 which is both the defining advantage and the defining limitation of plastic media.\n  <\/p>\n\n  <p>\n    The low contact pressure makes plastic media the media of choice for <strong>soft metals and cosmetically sensitive surfaces<\/strong>. Aluminum die-castings, zinc pressure castings, copper and brass components, and soft wrought aluminum parts can be finished with plastic media without the imprinting, galling, or micro-fracture damage that harder ceramic chips can cause at the same machine energy level. Plastic media is also the correct choice for plastics and composite workpieces \u2014 where any ceramic chip contact would cause surface tearing or fiber pullout.\n  <\/p>\n\n  <p>\n    The trade-off for this gentleness is lower cut rate and shorter media life. Plastic media cannot efficiently remove heavy burrs, casting flash, or laser dross from steel or stainless steel workpieces \u2014 the abrasive grain loading and contact force are simply insufficient. Using plastic media for heavy deburring of hard metals results in extremely long cycle times and premature media wear without achieving the required surface outcome.\n  <\/p>\n\n  <h3>Plastic Media Grades and Their Applications<\/h3>\n  <p>\n    Like ceramic media, plastic media is available in multiple abrasive grades from coarse-cut to non-abrasive (plastic burnishing media). The non-abrasive variety \u2014 solid resin chips with no abrasive grain \u2014 acts similarly to ceramic porcelain media, providing burnishing action on soft metals where the surface is already smooth and only cosmetic brightening is needed.\n  <\/p>\n\n  <div class=\"hlh-callout hlh-callout-tip\">\n    <div class=\"hlh-callout-icon\">&#9728;&#65039;<\/div>\n    <p><strong>Plastic media pH sensitivity:<\/strong> Most resin-bonded plastic media is rated for pH 5\u20139. Operating above pH 9 causes progressive hydrolysis of the resin bond, dramatically accelerating chip wear and producing resin fines that contaminate the workpiece surface. Always verify your compound pH is within the plastic media manufacturer&#8217;s rating before using plastic in an alkaline process.<\/p>\n  <\/div>\n\n  <!-- \u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\n       SECTION 4 \u2014 STEEL\n  \u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550 -->\n  <h2 id=\"steel\" class=\"hlh-anchor\">4. Steel Media \u2014 The Burnishing Expert<\/h2>\n\n  <p>\n    Steel mass finishing media \u2014 hardened carbon steel balls, cones, pins, and satellite shapes \u2014 contains no abrasive grain whatsoever. Its mechanism is <strong>burnishing<\/strong>: the smooth, hard steel surface cold-works the workpiece surface under the contact pressure generated by the machine, plastically deforming the microscopic peaks of surface roughness (asperities) without removing material by cutting. The result is a surface with lower Ra, higher reflectivity, and a layer of compressive residual stress in the near-surface material.\n  <\/p>\n\n  <p>\n    Steel media excels at producing <strong>bright, mirror-like cosmetic finishes<\/strong> on metal parts that have already been deburred and pre-finished by ceramic or plastic media. The compressive residual stress it introduces is a significant engineering benefit for fatigue-critical components: compressed surfaces resist crack initiation under cyclic loading, extending fatigue life by 20\u201350% in some documented cases for spring components and bearing surfaces. This is one reason steel burnishing is specified for springs, fasteners, gears, and other cyclic-load components beyond purely cosmetic motivations.\n  <\/p>\n\n  <p>\n    The critical limitation of steel media is its <strong>inability to remove burrs or reduce surface roughness from a rough starting condition<\/strong>. Steel media can reduce an Ra from 0.4 \u00b5m to 0.05 \u00b5m (a polish), but it cannot reduce an Ra from 1.6 \u00b5m to 0.4 \u00b5m \u2014 that step requires abrasive cutting that only ceramic or plastic media provides. Steel burnishing must always follow an abrasive finishing stage.\n  <\/p>\n\n  <p>\n    A secondary concern with steel media is <strong>iron contamination<\/strong> on non-ferrous workpieces. When steel media contacts aluminum, copper, or brass parts, microscopic steel particles transfer to the workpiece surface. These iron particles cause flash rusting or galvanic staining on the non-ferrous surface \u2014 visible as brown spots or gray discoloration \u2014 that is difficult to remove post-process. For non-ferrous workpieces requiring a burnished finish, use stainless steel media (more expensive) or non-abrasive porcelain ceramic media instead.\n  <\/p>\n\n  <!-- \u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\n       SECTION 5 \u2014 MASTER TABLE\n  \u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550 -->\n  <h2 id=\"master-table\" class=\"hlh-anchor\">5. Master Comparison Table (18 Dimensions)<\/h2>\n\n  <div class=\"hlh-table-wrap\">\n    <table class=\"hlh-table\" role=\"table\" aria-label=\"Ceramic vs plastic vs steel media master comparison\">\n      <thead>\n        <tr>\n          <th>Dimension<\/th>\n          <th class=\"col-cer\">&#9651; Ceramic<\/th>\n          <th class=\"col-pla\">&#9649; Plastic<\/th>\n          <th class=\"col-ste\">&#9679; Steel<\/th>\n        <\/tr>\n      <\/thead>\n      <tbody>\n        <tr>\n          <td>Operating mechanism<\/td>\n          <td>Abrasive micro-cutting (grain in ceramic bond)<\/td>\n          <td>Gentle abrasive cutting (grain in resin bond)<\/td>\n          <td>Cold-work burnishing (no abrasive)<\/td>\n        <\/tr>\n        <tr>\n          <td>Densit\u00e9 (g\/cm\u00b3)<\/td>\n          <td>2.5 \u2013 3.5 (chip)<\/td>\n          <td>1.5 \u2013 2.0 (chip)<\/td>\n          <td>7.5 \u2013 7.8 (steel)<\/td>\n        <\/tr>\n        <tr>\n          <td>Stock removal rate<\/td>\n          <td><span class=\"hlh-tag hlh-tag-red\">Haut<\/span><\/td>\n          <td><span class=\"hlh-tag hlh-tag-orange\">Low \u2013 Medium<\/span><\/td>\n          <td><span class=\"hlh-tag hlh-tag-gray\">Zero<\/span><\/td>\n        <\/tr>\n        <tr>\n          <td>Ra range achievable (\u00b5m)<\/td>\n          <td>0.1 \u2013 3.2<\/td>\n          <td>0.4 \u2013 1.6<\/td>\n          <td>&lt; 0.1 (bright polish)<\/td>\n        <\/tr>\n        <tr>\n          <td>Can remove heavy burrs?<\/td>\n          <td>&#10003; Yes \u2014 primary strength<\/td>\n          <td>&#10003; Light burrs only<\/td>\n          <td>&#10007; No \u2014 burnishing only<\/td>\n        <\/tr>\n        <tr>\n          <td>Safe on soft metals (Al, Cu, Zn)?<\/td>\n          <td>With care \u2014 non-ferrous-safe grade needed; risk of imprinting at high energy<\/td>\n          <td>&#10003; Yes \u2014 preferred choice for soft metals<\/td>\n          <td>&#10007; Iron transfer causes staining; use SS media<\/td>\n        <\/tr>\n        <tr>\n          <td>Safe on hardened steel (&gt;HRC 45)?<\/td>\n          <td>&#10003; Yes \u2014 with CBF machine<\/td>\n          <td>&#10007; Insufficient cut rate<\/td>\n          <td>&#10003; Yes (burnishing only)<\/td>\n        <\/tr>\n        <tr>\n          <td>Safe on plastic \/ composite parts?<\/td>\n          <td>&#10007; Typically too aggressive<\/td>\n          <td>&#10003; Fine grades appropriate<\/td>\n          <td>&#10007; Impact damage risk<\/td>\n        <\/tr>\n        <tr>\n          <td>Compound pH operating range<\/td>\n          <td>4 \u2013 11<\/td>\n          <td>5 \u2013 9 (resin-limited)<\/td>\n          <td>7 \u2013 12<\/td>\n        <\/tr>\n        <tr>\n          <td>Rust inhibition required?<\/td>\n          <td>For ferrous parts: yes<\/td>\n          <td>For ferrous parts: yes<\/td>\n          <td>For ferrous parts: critical (high iron content)<\/td>\n        <\/tr>\n        <tr>\n          <td>Media wear rate<\/td>\n          <td>Low \u2013 Medium<\/td>\n          <td>Medium \u2013 High<\/td>\n          <td>Very Low (5,000\u201310,000+ hrs)<\/td>\n        <\/tr>\n        <tr>\n          <td>Contamination introduced<\/td>\n          <td>Al or Zr (trace); Fe if standard grade on non-ferrous<\/td>\n          <td>Resin residue (minimal)<\/td>\n          <td>Fe (significant on non-ferrous); negligible on ferrous<\/td>\n        <\/tr>\n        <tr>\n          <td>Lodging risk in features?<\/td>\n          <td>Medium \u2013 High (shape-dependent)<\/td>\n          <td>Medium (softer \u2014 easier extraction if lodged)<\/td>\n          <td>Medium (balls: low; pins: higher)<\/td>\n        <\/tr>\n        <tr>\n          <td>Introduces compressive residual stress?<\/td>\n          <td>Minimal<\/td>\n          <td>Minimal<\/td>\n          <td>&#10003; Yes \u2014 significant benefit for fatigue-critical parts<\/td>\n        <\/tr>\n        <tr>\n          <td>Suitable for barrel tumbler?<\/td>\n          <td>&#10003; Yes (large sizes)<\/td>\n          <td>&#10003; Yes<\/td>\n          <td>&#10003; Yes (balls)<\/td>\n        <\/tr>\n        <tr>\n          <td>Suitable for centrifugal barrel?<\/td>\n          <td>&#10003; Yes<\/td>\n          <td>&#10007; Low density \u2014 reduced efficiency<\/td>\n          <td>&#10003; Yes (very efficient \u2014 high density)<\/td>\n        <\/tr>\n        <tr>\n          <td>Relative unit cost<\/td>\n          <td>Medium (1.0\u00d7)<\/td>\n          <td>Low \u2013 Medium (0.8\u20131.2\u00d7)<\/td>\n          <td>Low (0.5\u20130.8\u00d7) \u2014 but very long life<\/td>\n        <\/tr>\n        <tr>\n          <td>Cost per part processed<\/td>\n          <td>Low \u2013 Medium<\/td>\n          <td>Medium (higher wear)<\/td>\n          <td>Very Low (excellent life)<\/td>\n        <\/tr>\n      <\/tbody>\n    <\/table>\n  <\/div>\n\n  <!-- \u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\n       SECTION 6 \u2014 BY WORKPIECE\n  \u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550 -->\n  <h2 id=\"by-workpiece\" class=\"hlh-anchor\">6. Selection by Workpiece Material<\/h2>\n\n  <p>\n    Workpiece material is the most reliable first filter for narrowing media type selection. The combination of hardness, chemical reactivity, and contamination sensitivity of each material class points clearly toward one media family as the primary choice.\n  <\/p>\n\n  <div class=\"hlh-table-wrap\">\n    <table class=\"hlh-table\" role=\"table\" aria-label=\"Media selection by workpiece material\">\n      <thead>\n        <tr>\n          <th>Workpiece Material<\/th>\n          <th>Recommended Primary Media<\/th>\n          <th>Acceptable Secondary<\/th>\n          <th>Avoid<\/th>\n          <th>Key Reason<\/th>\n        <\/tr>\n      <\/thead>\n      <tbody>\n        <tr>\n          <td>Carbon \/ alloy steel<\/td>\n          <td><span class=\"hlh-tag hlh-tag-blue\">C\u00e9ramique<\/span><\/td>\n          <td>Steel (burnishing stage)<\/td>\n          <td>Standard ceramic on non-ferrous parts in same batch<\/td>\n          <td>Adequate hardness; alkaline compound compatibility<\/td>\n        <\/tr>\n        <tr>\n          <td>Stainless steel (304, 316)<\/td>\n          <td><span class=\"hlh-tag hlh-tag-blue\">C\u00e9ramique<\/span><\/td>\n          <td>Steel (final burnish)<\/td>\n          <td>Plastic (insufficient cut rate for work-hardened SS)<\/td>\n          <td>SS work-hardens \u2014 only ceramic provides adequate cut<\/td>\n        <\/tr>\n        <tr>\n          <td>Hardened steel (&gt;HRC 45)<\/td>\n          <td><span class=\"hlh-tag hlh-tag-blue\">Ceramic (CBF)<\/span><\/td>\n          <td>Steel (burnishing)<\/td>\n          <td>Plastic; vibratory ceramic alone<\/td>\n          <td>High hardness requires centrifugal barrel G-force<\/td>\n        <\/tr>\n        <tr>\n          <td>Titanium alloys<\/td>\n          <td><span class=\"hlh-tag hlh-tag-blue\">Ceramic (CBF)<\/span><\/td>\n          <td>\u2014<\/td>\n          <td>Plastic; standard vibratory<\/td>\n          <td>High strength; CBF required for efficient cut<\/td>\n        <\/tr>\n        <tr>\n          <td>Aluminum (wrought &amp; die-cast)<\/td>\n          <td><span class=\"hlh-tag hlh-tag-green\">Plastique<\/span><\/td>\n          <td>Non-ferrous-safe ceramic<\/td>\n          <td>Standard ceramic (iron staining); steel (iron transfer)<\/td>\n          <td>Soft; risk of imprinting with ceramic; iron contamination<\/td>\n        <\/tr>\n        <tr>\n          <td>Copper \/ brass \/ bronze<\/td>\n          <td><span class=\"hlh-tag hlh-tag-green\">Plastique<\/span><\/td>\n          <td>Non-ferrous-safe ceramic (fine grade)<\/td>\n          <td>Standard ceramic; carbon steel media<\/td>\n          <td>Ductile \u2014 burrs roll; iron causes galvanic staining<\/td>\n        <\/tr>\n        <tr>\n          <td>Zinc die-cast<\/td>\n          <td><span class=\"hlh-tag hlh-tag-green\">Plastique<\/span><\/td>\n          <td>Non-ferrous-safe ceramic (fine)<\/td>\n          <td>Standard ceramic; steel<\/td>\n          <td>Very soft and sensitive to imprinting; iron contamination<\/td>\n        <\/tr>\n        <tr>\n          <td>Plastic \/ composite parts<\/td>\n          <td><span class=\"hlh-tag hlh-tag-green\">Plastic (fine grade)<\/span><\/td>\n          <td>Non-abrasive plastic<\/td>\n          <td>Ceramic; steel<\/td>\n          <td>Ceramic causes tearing; steel causes impact deformation<\/td>\n        <\/tr>\n      <\/tbody>\n    <\/table>\n  <\/div>\n\n  <!-- \u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\n       SECTION 7 \u2014 BY OBJECTIVE\n  \u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550 -->\n  <h2 id=\"by-objective\" class=\"hlh-anchor\">7. Selection by Finishing Objective<\/h2>\n\n  <p>\n    When the workpiece material alone does not determine the media choice \u2014 for example, when both ceramic and plastic are technically compatible with the workpiece \u2014 the finishing objective breaks the tie.\n  <\/p>\n\n  <div class=\"hlh-scenario-grid\">\n    <div class=\"hlh-scenario-card\">\n      <div class=\"hlh-scenario-header hlh-scenario-header-cer\">&#9651; Choose Ceramic When\u2026<\/div>\n      <div class=\"hlh-scenario-body\">\n        <ul>\n          <li>Heavy burrs or casting flash must be removed rapidly<\/li>\n          <li>Laser-cut dross or oxide scale must be fractured off<\/li>\n          <li>Workpiece is steel, stainless, titanium, or hardened metal<\/li>\n          <li>Target Ra requires significant stock removal (Ra &gt; 0.8 \u00b5m incoming \u2192 &lt; 0.8 \u00b5m target)<\/li>\n          <li>Centrifugal barrel process at high G-force<\/li>\n          <li>High production volume with short cycle time requirement<\/li>\n        <\/ul>\n      <\/div>\n    <\/div>\n    <div class=\"hlh-scenario-card\">\n      <div class=\"hlh-scenario-header hlh-scenario-header-pla\">&#9649; Choose Plastic When\u2026<\/div>\n      <div class=\"hlh-scenario-body\">\n        <ul>\n          <li>Workpiece is aluminum, copper, brass, zinc, or plastic<\/li>\n          <li>Cosmetic surface quality is critical and imprint risk must be minimized<\/li>\n          <li>Thin-wall or delicate parts that cannot withstand ceramic contact pressure<\/li>\n          <li>Light deburring only \u2014 no heavy burrs present<\/li>\n          <li>Parts proceed directly to anodizing or plating with strict cleanliness specs<\/li>\n          <li>Previous ceramic stage has removed burrs; refinement of finish is the goal<\/li>\n        <\/ul>\n      <\/div>\n    <\/div>\n    <div class=\"hlh-scenario-card\">\n      <div class=\"hlh-scenario-header hlh-scenario-header-ste\">&#9679; Choose Steel When\u2026<\/div>\n      <div class=\"hlh-scenario-body\">\n        <ul>\n          <li>Bright, mirror-like cosmetic finish is specified<\/li>\n          <li>Part has already been deburred and pre-finished to Ra \u2264 0.4 \u00b5m<\/li>\n          <li>Compressive residual stress is required (fatigue-critical springs, fasteners, gears)<\/li>\n          <li>Long media service life is a priority (minimal ongoing replacement cost)<\/li>\n          <li>Workpiece is ferrous (no iron transfer concern)<\/li>\n          <li>Final stage of a multi-stage process after abrasive media<\/li>\n        <\/ul>\n      <\/div>\n    <\/div>\n    <div class=\"hlh-scenario-card\">\n      <div class=\"hlh-scenario-header hlh-scenario-header-mix\">&#9661; Use Multiple Types When\u2026<\/div>\n      <div class=\"hlh-scenario-body\">\n        <ul>\n          <li>Part requires both heavy deburring AND a bright cosmetic finish<\/li>\n          <li>Tight Ra specification that a single media type cannot reach from the incoming condition<\/li>\n          <li>Aerospace or medical parts requiring multi-stage validated finishing sequence<\/li>\n          <li>Surface must meet both dimensional (Ra, edge radius) and visual (bright, uniform) criteria<\/li>\n        <\/ul>\n      <\/div>\n    <\/div>\n  <\/div>\n\n  <!-- \u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\n       SECTION 8 \u2014 MULTI-STAGE\n  \u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550 -->\n  <h2 id=\"multi-stage\" class=\"hlh-anchor\">8. Multi-Stage Processes: Using All Three Together<\/h2>\n\n  <p>\n    The highest-quality surface finishing results in industrial manufacturing almost always involve multiple sequential media stages. Each stage is independently optimized for its specific objective, and the combination achieves a surface quality that no single media type could deliver alone. Three common multi-stage process architectures illustrate this:\n  <\/p>\n\n  <h3>Architecture 1: Steel Fastener (High-Volume, Fatigue-Critical)<\/h3>\n  <div class=\"hlh-flow\">\n    <div class=\"hlh-flow-stage\">\n      <div class=\"hlh-flow-num\">Stage 1<\/div>\n      <div class=\"hlh-flow-media\">C\u00e9ramique<\/div>\n      <div class=\"hlh-flow-desc\">Triangle chip, medium-cut alumina. Remove thread rolling burrs and heading flash. 20\u201330 min vibratory.<\/div>\n    <\/div>\n    <div class=\"hlh-flow-arrow\">&#8594;<\/div>\n    <div class=\"hlh-flow-stage\">\n      <div class=\"hlh-flow-num\">Stage 2<\/div>\n      <div class=\"hlh-flow-media\">Steel Balls<\/div>\n      <div class=\"hlh-flow-desc\">Hardened carbon steel balls. Burnish to bright finish; introduce compressive stress for fatigue life. 15\u201325 min vibratory.<\/div>\n    <\/div>\n  <\/div>\n\n  <h3>Architecture 2: Aerospace Titanium Component (Precision, Multi-Spec)<\/h3>\n  <div class=\"hlh-flow\">\n    <div class=\"hlh-flow-stage\">\n      <div class=\"hlh-flow-num\">Stage 1<\/div>\n      <div class=\"hlh-flow-media\">Ceramic (CBF)<\/div>\n      <div class=\"hlh-flow-desc\">Triangle, medium-cut. Heavy burr removal in centrifugal barrel. 10\u201320 min at 15 G.<\/div>\n    <\/div>\n    <div class=\"hlh-flow-arrow\">&#8594;<\/div>\n    <div class=\"hlh-flow-stage\">\n      <div class=\"hlh-flow-num\">Stage 2<\/div>\n      <div class=\"hlh-flow-media\">Ceramic Fine<\/div>\n      <div class=\"hlh-flow-desc\">Cone or diagonal cylinder, fine-cut. Reach internal features; reduce Ra to spec. 30\u201345 min vibratory.<\/div>\n    <\/div>\n    <div class=\"hlh-flow-arrow\">&#8594;<\/div>\n    <div class=\"hlh-flow-stage\">\n      <div class=\"hlh-flow-num\">Stage 3<\/div>\n      <div class=\"hlh-flow-media\">Porcelain Ceramic<\/div>\n      <div class=\"hlh-flow-desc\">Non-abrasive sphere. Final surface conditioning before inspection and coating. 20\u201330 min vibratory.<\/div>\n    <\/div>\n  <\/div>\n\n  <h3>Architecture 3: Aluminum Die-Cast Housing (Non-Ferrous, Anodize-Prep)<\/h3>\n  <div class=\"hlh-flow\">\n    <div class=\"hlh-flow-stage\">\n      <div class=\"hlh-flow-num\">Stage 1<\/div>\n      <div class=\"hlh-flow-media\">Plastique<\/div>\n      <div class=\"hlh-flow-desc\">Medium-cut resin media. Remove light casting flash and ejector pin marks without imprinting. 25\u201340 min vibratory.<\/div>\n    <\/div>\n    <div class=\"hlh-flow-arrow\">&#8594;<\/div>\n    <div class=\"hlh-flow-stage\">\n      <div class=\"hlh-flow-num\">Stage 2<\/div>\n      <div class=\"hlh-flow-media\">Plastic Fine<\/div>\n      <div class=\"hlh-flow-desc\">Fine-cut or non-abrasive resin. Uniform satin surface condition for anodize adhesion. 20\u201330 min vibratory.<\/div>\n    <\/div>\n  <\/div>\n\n  <!-- \u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\n       SECTION 9 \u2014 COST\n  \u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550 -->\n  <h2 id=\"cost\" class=\"hlh-anchor\">9. Cost of Ownership Comparison<\/h2>\n\n  <p>\n    Unit price comparisons between ceramic, plastic, and steel media mislead more often than they inform, because the three media types wear at dramatically different rates and require different volumes per unit of work accomplished. The relevant metric is always <strong>cost per part processed to specification<\/strong>.\n  <\/p>\n\n  <div class=\"hlh-table-wrap\">\n    <table class=\"hlh-table\" role=\"table\" aria-label=\"Media cost of ownership comparison\">\n      <thead>\n        <tr>\n          <th>Cost Factor<\/th>\n          <th class=\"col-cer\">C\u00e9ramique<\/th>\n          <th class=\"col-pla\">Plastique<\/th>\n          <th class=\"col-ste\">Acier<\/th>\n        <\/tr>\n      <\/thead>\n      <tbody>\n        <tr>\n          <td>Typical service life (hours)<\/td>\n          <td>800 \u2013 2,000<\/td>\n          <td>300 \u2013 800<\/td>\n          <td>5,000 \u2013 10,000+<\/td>\n        <\/tr>\n        <tr>\n          <td>Replacement frequency (relative)<\/td>\n          <td>Medium<\/td>\n          <td>Haut<\/td>\n          <td>Tr\u00e8s faible<\/td>\n        <\/tr>\n        <tr>\n          <td>Fines generation<\/td>\n          <td>Moderate \u2014 screen monthly<\/td>\n          <td>High \u2014 screen weekly<\/td>\n          <td>Very Low \u2014 screen quarterly<\/td>\n        <\/tr>\n        <tr>\n          <td>Disposal considerations<\/td>\n          <td>Inert ceramic \u2014 landfill or recycle<\/td>\n          <td>Resin binder \u2014 check local regs<\/td>\n          <td>Metal recycling value offsets cost<\/td>\n        <\/tr>\n        <tr>\n          <td>Optimal cost scenario<\/td>\n          <td>High-volume steel\/SS deburring; any heavy burr removal application<\/td>\n          <td>Soft metal finishing where imprint risk is the primary concern<\/td>\n          <td>Final burnishing stage, any volume; fatigue-critical ferrous parts<\/td>\n        <\/tr>\n        <tr>\n          <td>Worst cost scenario<\/td>\n          <td>Over-specified for light finishing where plastic would work; under-specified causing repeated cycles<\/td>\n          <td>Used for heavy deburring (extremely long cycles, high wear, poor outcome)<\/td>\n          <td>Used as sole media without prior abrasive stage (impossible to remove burrs)<\/td>\n        <\/tr>\n      <\/tbody>\n    <\/table>\n  <\/div>\n\n  <div class=\"hlh-callout hlh-callout-tip\">\n    <div class=\"hlh-callout-icon\">&#128200;<\/div>\n    <p><strong>Steel media&#8217;s hidden economics:<\/strong> The combination of very low wear rate, high density (excellent energy efficiency in vibratory machines), and steel scrap recovery value means that steel burnishing media often has the lowest cost per part processed of any media type in high-volume production \u2014 despite the fact that it can only be used as the last stage of a process that already includes an abrasive stage. The abrasive stage cost is real; the burnishing stage cost is minimal over the media&#8217;s long service life.<\/p>\n  <\/div>\n\n  <a class=\"hlh-cluster-link\" href=\"https:\/\/hlh-js.com\/resource\/blog\/ceramic-media-for-deburring\/\" target=\"_blank\" rel=\"noopener\">\n    &#128196; Related: Ceramic Media for Deburring \u2014 Process Parameters &amp; Case Studies\n    <span>Validated specifications for stainless steel, aluminum, titanium, and carbon steel deburring applications<\/span>\n  <\/a>\n\n  <!-- \u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\n       FAQ\n  \u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550 -->\n  <h2 id=\"faq\" class=\"hlh-anchor\">10. Frequently Asked Questions<\/h2>\n\n  <div class=\"hlh-faq\" itemscope itemtype=\"https:\/\/schema.org\/FAQPage\">\n\n    <div class=\"hlh-faq-item\" itemscope itemprop=\"mainEntity\" itemtype=\"https:\/\/schema.org\/Question\">\n      <div class=\"hlh-faq-q\" itemprop=\"name\">Can ceramic and plastic media be run together in the same vibratory bowl?<\/div>\n      <div class=\"hlh-faq-a\" itemscope itemprop=\"acceptedAnswer\" itemtype=\"https:\/\/schema.org\/Answer\">\n        <div itemprop=\"text\">\n          <p>Technically possible but generally not recommended. The density difference between ceramic chips (2.5\u20133.5 g\/cm\u00b3) and plastic chips (1.5\u20132.0 g\/cm\u00b3) causes them to segregate under vibratory action \u2014 the heavier ceramic chips concentrate at the bowl bottom while the lighter plastic chips float toward the surface. This segregation produces inconsistent contact frequency across the part surface. If you need the gentleness of plastic with slightly higher cut rate, specify a higher-abrasive-content plastic grade rather than mixing media types. The mixed approach tends to give you the disadvantages of both rather than the advantages of either.<\/p>\n        <\/div>\n      <\/div>\n    <\/div>\n\n    <div class=\"hlh-faq-item\" itemscope itemprop=\"mainEntity\" itemtype=\"https:\/\/schema.org\/Question\">\n      <div class=\"hlh-faq-q\" itemprop=\"name\">Why does steel media cause staining on aluminum parts?<\/div>\n      <div class=\"hlh-faq-a\" itemscope itemprop=\"acceptedAnswer\" itemtype=\"https:\/\/schema.org\/Answer\">\n        <div itemprop=\"text\">\n          <p>Hardened carbon steel media contains iron, which transfers to the aluminum surface as microscopic steel particles during the burnishing process. These iron particles form galvanic couples with the aluminum in the presence of moisture, producing rapid localized corrosion visible as brown or rust-colored spots. The phenomenon is particularly visible after the part is rinsed and begins to dry. For aluminum burnishing, specify stainless steel media (which has significantly lower iron transfer due to its chromium passivation layer) or non-abrasive ceramic porcelain media, which introduces no iron contamination at all.<\/p>\n        <\/div>\n      <\/div>\n    <\/div>\n\n    <div class=\"hlh-faq-item\" itemscope itemprop=\"mainEntity\" itemtype=\"https:\/\/schema.org\/Question\">\n      <div class=\"hlh-faq-q\" itemprop=\"name\">Is plastic media suitable for deburring stainless steel parts?<\/div>\n      <div class=\"hlh-faq-a\" itemscope itemprop=\"acceptedAnswer\" itemtype=\"https:\/\/schema.org\/Answer\">\n        <div itemprop=\"text\">\n          <p>For light burrs on annealed stainless steel, plastic media can achieve acceptable results given adequate cycle time. However, work-hardened stainless steel \u2014 which develops at the cut surface during machining \u2014 has a surface hardness significantly higher than the annealed base material, and plastic media lacks the contact pressure to efficiently cut through this hardened layer. The practical result is very long cycle times with incomplete burr removal. For stainless steel deburring, ceramic media with a medium to hard bond and pH-neutral to mildly alkaline compound is the reliable choice.<\/p>\n        <\/div>\n      <\/div>\n    <\/div>\n\n    <div class=\"hlh-faq-item\" itemscope itemprop=\"mainEntity\" itemtype=\"https:\/\/schema.org\/Question\">\n      <div class=\"hlh-faq-q\" itemprop=\"name\">What media type is best for deburring and finishing gear components?<\/div>\n      <div class=\"hlh-faq-a\" itemscope itemprop=\"acceptedAnswer\" itemtype=\"https:\/\/schema.org\/Answer\">\n        <div itemprop=\"text\">\n          <p>Gear finishing typically requires a two-stage approach. Stage 1 uses ceramic cone-shaped or tri-star media to reach the gear tooth root \u2014 the critical stress concentration area where burrs must be completely removed and the edge radius tightly controlled. The cone geometry allows the media to penetrate the tooth valley without lodging between adjacent teeth. Stage 2 uses steel media (balls or satellites) to burnish the tooth flanks to a bright finish and introduce compressive residual stress in the tooth surface, improving contact fatigue resistance. The steel burnishing stage also removes any micro-scoring introduced by the ceramic stage. This ceramic + steel two-stage sequence is standard practice in automotive transmission gear manufacturing.<\/p>\n        <\/div>\n      <\/div>\n    <\/div>\n\n    <div class=\"hlh-faq-item\" itemscope itemprop=\"mainEntity\" itemtype=\"https:\/\/schema.org\/Question\">\n      <div class=\"hlh-faq-q\" itemprop=\"name\">Does Jiangsu Henglihong supply all three media types?<\/div>\n      <div class=\"hlh-faq-a\" itemscope itemprop=\"acceptedAnswer\" itemtype=\"https:\/\/schema.org\/Answer\">\n        <div itemprop=\"text\">\n          <p>Jiangsu Henglihong Technology Co., Ltd. specializes in ceramic media \u2014 both grinding beads and mass finishing chips \u2014 across all material grades, shapes, and sizes, including non-ferrous-safe formulations, non-abrasive porcelain, and specialty silicon carbide. For applications requiring plastic or steel media as part of a multi-stage process, our engineering team can advise on appropriate specifications for those stages as well, even when sourced from other suppliers. Contact us to discuss your complete multi-stage finishing requirement.<\/p>\n        <\/div>\n      <\/div>\n    <\/div>\n\n  <\/div>\n\n  <!-- CTA -->\n  <div class=\"hlh-cta\">\n    <h2>Need Help Selecting the Right Media for Your Process?<\/h2>\n    <p>Whether you need ceramic, a multi-stage strategy, or just want to validate your current specification, the team at Jiangsu Henglihong Technology Co., Ltd. can help \u2014 with free samples and process engineering support.<\/p>\n    <a class=\"hlh-cta-btn\" href=\"https:\/\/hlh-js.com\/contact\/\" target=\"_blank\" rel=\"noopener\">Get a Free Process Recommendation &#8594;<\/a>\n  <\/div>\n\n  <!--\n  <script type=\"application\/ld+json\">\n  {\n    \"@context\": \"https:\/\/schema.org\",\n    \"@type\": \"Article\",\n    \"headline\": \"Ceramic vs. Plastic vs. Steel Media: Which Mass Finishing Media Is Right for Your Application?\",\n    \"description\": \"Definitive comparison of ceramic, plastic, and steel mass finishing media \u2014 covering mechanism, cut rate, workpiece compatibility, multi-stage process design, and cost of ownership. 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