Aluminum Oxide Blast Media for Aerospace & Medical Applications

White fused aluminum oxide is the industry-standard abrasive for the world’s most demanding surface preparation specifications — from MRO stripping of aircraft coatings to osseointegration surface texturing on orthopedic implants. This guide covers the technical requirements, governing standards, and supply chain protocols that aerospace and medical procurement teams need.

By Jiangsu Henglihong Technology Co., Ltd. March 2026 ~4,500 words · 17 min read

Table of Contents

Why These Industries Demand Exceptional Abrasive Purity
Aerospace Applications: MRO, Airframe & Turbine
Medical & Dental Applications
Governing Standards & Specifications
Material Requirements: What the Specifications Actually Demand
Substrate-by-Substrate Blast Parameters
Supply Chain & Documentation Requirements
Process Control for Critical Applications
Frequently Asked Questions

1. Why These Industries Demand Exceptional Abrasive Purity

In most industrial blasting applications, the primary performance criteria for blast media are cutting speed, anchor profile consistency, and cost per square meter. In aerospace and medical device manufacturing, a fourth criterion dominates all others: the absolute prohibition of surface contamination from the abrasive itself.

Both sectors work with materials — high-strength aluminum alloys, titanium alloys, nickel superalloys, cobalt-chromium — whose performance depends on maintaining the integrity of native protective surface films and metallurgical microstructure. The failure mechanisms introduced by iron contamination are distinctly different in each sector but equally consequential in both:

航空航天

Corrosion & Fatigue Risk

Iron particles from brown-grade abrasive embedded in aluminum or titanium airframe components create micro-galvanic cells at iron-alloy interfaces. In aerospace alloys (7075-T6, 2024-T3, Ti-6Al-4V), this initiates corrosion pitting that propagates under cyclic fatigue loading — potentially nucleating fatigue cracks at stress concentrations. For flight-critical structure, any undetected fatigue crack initiation site is a safety issue. Zero iron contamination tolerance is therefore not over-specification — it reflects the actual failure physics of the materials involved.

Medical & Dental

Biocompatibility & Osseointegration Risk

Medical implants must pass rigorous biocompatibility testing under ISO 10993. Iron particles embedded in titanium or cobalt-chromium implant surfaces from iron-bearing abrasives can trigger inflammatory responses in peri-implant tissue, compromise the passive titanium oxide film responsible for biocompatibility, and interfere with osseointegration — the biological bonding of implant to bone that determines long-term implant success. Regulatory frameworks in the USA (FDA 21 CFR Part 820), EU (MDR 2017/745), and internationally require documented process validation including abrasive media qualification.

≥ 99.5% Al₂O₃ purity required

< 0.05% Max Fe₂O₃ (white grade)

AMS 2431 Primary aerospace standard

ISO 13485 Medical QMS baseline

Lot CoA Required every shipment

This guide covers the technical and documentary requirements for white fused aluminum oxide in both sectors. For the broader product context including brown fused grade and general industrial applications, see: Aluminum Oxide Blast Media: The Complete Buyer’s Guide.

2. Aerospace Applications: MRO, Airframe & Turbine

Aluminum oxide blast media serves three distinct functional roles in aerospace manufacturing and maintenance — each with its own performance requirements, substrate sensitivities, and governing specifications.

MRO

Aircraft Paint Stripping

Removal of aircraft topcoats, primers, and sealants from aluminum and composite airframe panels during scheduled maintenance. Must remove coating completely without distorting thin-gauge aluminum skin panels (typically 0.8–2.0 mm), inducing residual tensile stress, or embedding abrasive particles that could cause corrosion in service. Precise pressure and standoff control is essential.

F80–F120 · White · 30–50 PSI

Airframe

Structural Bond Preparation

Surface preparation of aluminum and titanium airframe components before structural adhesive bonding — used in splice joints, doublers, and repair patches. Blasting creates the surface micro-roughness and surface energy required for optimal adhesive bond strength. Must comply with Boeing, Airbus, or OEM-specific process specifications that typically call out white fused Al₂O₃ by name.

F120–F180 · White · 25–45 PSI

Turbine

Thermal Barrier Coating Prep

Preparation of nickel superalloy turbine blades and vanes before thermal spray application of bond coat and thermal barrier coating (TBC) systems. Blasting creates the anchor profile required for MCrAlY bond coat adhesion. Contamination-free surface mandatory — iron from brown-grade abrasive can oxidize during TBC application (1,000 °C+) and disrupt coating adhesion.

F36–F60 · White · 50–70 PSI

Turbine

Shot Peening & Stress Peening

Controlled blasting of turbine disk bore, blade root, and compressor blade surfaces to induce compressive residual stress, improving fatigue life under high-cycle loading. Aluminum oxide is used where the peening intensity (Almen arc height) and coverage requirements call for a harder media than cast steel shot — typically on titanium and nickel alloy components where steel contamination is unacceptable.

F80–F120 · White · Per AMS 2432

Defense

Aluminum Alloy Component Prep

Surface preparation of aluminum alloy structural and rotary-wing components for primer application in military and civil aviation. US military specifications MIL-A-22262 and MIL-DTL-5541 for chromate conversion coating require a clean, uncontaminated aluminum surface — achievable only with white fused aluminum oxide at correct grit and pressure.

F60–F120 · White · 35–55 PSI

Space

Spacecraft Component Preparation

Surface preparation of aluminum and titanium spacecraft structural components and thermal control surfaces. Cleanliness requirements are more stringent than standard aviation — outgassing from residual contaminants in orbit can deposit on optical surfaces or sensitive electronics. White fused Al₂O₃ is preferred over all other abrasives for its combined chemical inertness and near-zero outgassing potential.

F80–F150 · White · 30–50 PSI

3. Medical & Dental Applications

Medical device surface preparation with aluminum oxide spans a range from macro-scale orthopedic implants to micro-scale dental ceramic components — united by the requirement for precise, reproducible surface topography, zero metallic contamination, and full process traceability documentation.

Orthopedics

Hip & Knee Implant Texturing

Titanium (Ti-6Al-4V ELI) and cobalt-chromium alloy hip cups, femoral stems, and tibial trays require a precisely controlled surface topography to promote osseointegration — the biological bonding of implant surface to bone. White fused Al₂O₃ at F120–F220 produces the Ra 1–4 µm surface texture shown in clinical literature to optimize bone ingrowth on porous-coated and grit-blasted implant surfaces.

F120–F220 · White · 40–60 PSI

Orthopedics

Spinal Implant & Bone Screw Prep

Titanium spinal cages, interbody fusion devices, and bone screws. Grit-blasted titanium surfaces significantly outperform machined smooth surfaces in osseointegration studies — blasting increases surface area available for bone cell adhesion and promotes protein adsorption favorable to osteoblast attachment and proliferation.

F150–F220 · White · 35–55 PSI

Dental

Dental Implant Surface Treatment

Titanium dental implants (Grade 4 cp-Ti or Ti-6Al-4V) require surface micro-roughness for bone-to-implant contact (BIC) optimization. White fused Al₂O₃ at F150–F220 produces the Sa 1–2 µm surface roughness range shown in systematic reviews to correlate with optimal peri-implant bone response. Often combined with acid-etching (SLA surface) for dual micro/nano-scale topography.

F150–F220 · White · 25–50 PSI

Dental Lab

Ceramic Crown Bonding Prep

Surface preparation of porcelain-fused-to-metal (PFM) and all-ceramic (zirconia, lithium disilicate) restorations before application of dental bonding agents and resin cements. Blasting removes surface contamination and creates micro-retentive surface texture that increases bonding surface area and mechanical adhesion of resin cement to ceramic substrate.

F100–F180 · White · 25–50 PSI

Cardiovascular

Vascular Implant & Stent Prep

Surface preparation of titanium and nitinol vascular implants, cardiac assist device components, and stent delivery systems. Biocompatibility requirements under ISO 10993 are stringent — any metal contamination from the abrasive must be quantifiable and within defined limits. White fused Al₂O₃ is specified for its chemical inertness and near-zero iron content (< 0.05% Fe₂O₃).

F150–F220 · White · 30–50 PSI

Surgical

Surgical Instrument Preparation

Matte surface finishing of stainless steel surgical instruments (laparoscopic, orthopedic, general surgery) to reduce glare under surgical lighting and improve tactile grip. White fused Al₂O₃ produces a consistent, uniform matte finish that meets both functional and aesthetic requirements. Unlike brown grade, it leaves no iron residue that could compromise sterilization or biocompatibility assessments.

F120–F220 · White · 30–50 PSI

4. Governing Standards & Specifications

Aerospace and medical procurement specifications form a dense, interlocking framework of international standards, OEM process specifications, and regulatory requirements. The standards below are the most commonly encountered in procurement for white fused aluminum oxide blast media in these sectors.

AMS 2431

Peening Media, General Requirements

The primary SAE Aerospace Material Specification governing abrasive blast media used in peening and cleaning of aerospace components. Specifies chemical composition, particle size, and hardness requirements for approved media types including aluminum oxide.

AMS 2431/9

Aluminum Oxide Blast Media

The aluminum-oxide-specific sub-specification of AMS 2431. Defines minimum Al₂O₃ purity (≥ 99.5%), maximum Fe₂O₃ (< 0.1%), particle size distribution, and hardness requirements for aerospace-qualified aluminum oxide blast media.

AMS 2432

Shot Peening — Computer Monitored

Governing specification for computer-controlled shot peening processes. Applicable when aluminum oxide is used for peening of turbine components — defines Almen arc height, coverage, and saturation requirements alongside media specification.

MIL-A-22262

Abrasive Blasting Media, Aluminum Oxide

US military specification for aluminum oxide blast media used in defense aerospace programs. Pre-dates AMS 2431 but still cited in legacy US Navy and Air Force maintenance documentation. Specifies equivalent purity and particle size requirements.

Boeing D6-17487

Boeing Process Standard

Boeing’s internal process specification for abrasive blast cleaning of aluminum structures. Prohibits iron-bearing abrasives on all aluminum airframe components and specifies white fused aluminum oxide by name for compliance. Referenced in Boeing supplier quality requirements.

NADCAP

National Aerospace & Defense Contractors Accreditation Program

Third-party accreditation body auditing special processes in the aerospace supply chain, including surface treatment. NADCAP-accredited blast shops are required by Tier 1 OEMs. Media qualification documentation is a mandatory audit item.

ISO 13485:2016

Medical Devices — QMS Requirements

The quality management system standard for medical device manufacturers. Requires documented supplier qualification, incoming material verification, and process validation for all materials — including abrasive blast media — used in device manufacturing or surface treatment.

ISO 10993

Biological Evaluation of Medical Devices

Multi-part standard covering biocompatibility testing of medical devices. Relevant to blast media selection because residual abrasive particles on implant surfaces are considered a biocompatibility risk. White fused Al₂O₃ is biocompatible and is referenced in implant surface preparation literature.

FDA 21 CFR 820

Quality System Regulation (US FDA)

US FDA regulation governing quality management for medical device manufacturers. Requires design controls, purchasing controls (supplier qualification), and process validation for all manufacturing processes. Abrasive blast media used in implant surface preparation falls under these requirements.

EU MDR 2017/745

EU Medical Device Regulation

European regulatory framework governing medical device manufacturing and supply chains. Requires technical documentation demonstrating that all manufacturing processes — including surface preparation — meet defined safety and performance requirements. Superseded the Medical Device Directive (MDD) from May 2021.

5. Material Requirements: What the Specifications Actually Demand

Working through the aerospace and medical standards reveals a consistent set of material requirements that any qualified aluminum oxide blast media must meet. The table below consolidates these requirements for practical procurement use.

Property	AMS 2431/9 Requirement	Medical / ISO 13485 Requirement	HLH White Fused Al₂O₃ Value
Al₂O₃ Purity	≥ 99.5%	≥ 99.5% (supplier specified)	≥ 99.5%
Fe₂O₃ (Free Iron)	≤ 0.10%	≤ 0.05% (most implant specs)	< 0.05%
SiO₂	≤ 0.30%	≤ 0.10%	< 0.10%
Na₂O	≤ 0.50%	≤ 0.35%	< 0.35%
Particle Size Distribution	FEPA 42-2 F-grits tolerance	Per drawing / supplier spec	FEPA certified, lot sieve analysis
硬度	Mohs ≥ 9.0	Supplier specified	Mohs 9.0, 2,000–2,200 HV
水分含量	≤ 0.50%	≤ 0.15%	≤ 0.15%
Certificate of Analysis	Required — lot-specific	Required — lot-specific, retained	Provided every shipment
Supplier Quality Certification	ISO 9001:2015 minimum	ISO 13485 preferred / ISO 9001 minimum	ISO 9001:2015 certified
Traceability to production lot	Required	Required — lot number on CoA and packaging	Full lot traceability

Critical specification warning — AMS 2431/9 vs AMS 2431: AMS 2431 is the parent specification covering all peening media types. AMS 2431/9 is the aluminum-oxide-specific sub-specification with its own chemical and physical requirements. When a drawing or purchase order calls out “AMS 2431” without a slash extension, confirm with the responsible engineer which sub-specification applies before ordering. Ordering to AMS 2431 without the /9 suffix leaves the media type unspecified — a frequent source of specification compliance disputes in aerospace supply chains.

6. Substrate-by-Substrate Blast Parameters

Each alloy type used in aerospace and medical applications has specific blast parameter requirements — driven by its hardness, its sensitivity to induced residual stress, and the surface finish or anchor profile requirements of the subsequent process (coating, bonding, or osseointegration).

Substrate	Alloy Examples	Grade	Grit	Pressure	Standoff	Key Constraint
Aluminum alloys — airframe	2024-T3, 7075-T6, 6061-T6	白色	F80–F120	35–55 PSI	15–25 cm	Max pressure critical — thin gauge distorts; avoid over-blasting
Titanium — aerospace	Ti-6Al-4V, Ti-3Al-2.5V	白色	F80–F150	40–65 PSI	15–25 cm	AMS 2431/9; no iron contamination; check for alpha-case formation
Nickel superalloy — turbine	IN718, IN625, Waspaloy, René 80	白色	F46–F80	50–75 PSI	15–25 cm	TBC bond coat prep: Rz 50–75 µm required; purity critical at process temp
Titanium — medical implant	Ti-6Al-4V ELI (Grade 23), cp-Ti Grade 4	白色	F120–F220	25–55 PSI	10–20 cm	Target Sa 1–4 µm; lot CoA + traceability mandatory; ISO 13485 compliant supplier
Cobalt-chromium — orthopedics	CoCrMo (ASTM F75, F1537)	白色	F120–F180	40–60 PSI	12–20 cm	Harder than Ti — may need slightly higher pressure; Fe₂O₃ < 0.05% critical
Zirconia — dental	Y-TZP (3 mol% yttria-stabilized)	白色	F120–F180	25–40 PSI	10–15 cm	Avoid transformation of zirconia surface phase; validate with XRD if critical
Stainless steel — surgical instruments	316L, 17-4 PH, 440C	白色	F120–F220	30–55 PSI	12–20 cm	White grade mandatory; matte finish uniformity critical; ferroxyl test recommended
Nitinol (NiTi) — cardiovascular	Nickel-titanium shape memory alloy	白色	F150–F220	25–45 PSI	10–18 cm	Extremely sensitive to surface damage — validate parameters on sample pieces first

Zirconia phase transformation caution: Yttria-stabilized zirconia (Y-TZP) can undergo a tetragonal-to-monoclinic phase transformation under surface stress — a phenomenon called low-temperature degradation (LTD) or hydrothermal aging. High-pressure blasting accelerates surface phase transformation and can degrade long-term mechanical properties. For zirconia dental ceramics, validate blast parameters with X-ray diffraction (XRD) analysis of blasted samples before establishing production parameters. Use the lowest pressure that achieves the required surface roughness for dental bonding applications.

7. Supply Chain & Documentation Requirements

In aerospace and medical supply chains, the qualification and documentation requirements placed on blast media suppliers are substantially more demanding than in general industrial procurement. The following represents the minimum documentation package that Tier 1 aerospace and medical OEM suppliers typically require from their blast media vendors.

1

Lot-specific Certificate of Analysis (CoA): Every shipment must be accompanied by a CoA tied to the specific production lot number, reporting Al₂O₃ purity, Fe₂O₃, SiO₂, Na₂O, moisture content, bulk density, and sieve analysis (D10/D50/D90 and sieve stack data). Generic or time-stamped CoAs not referencing a specific lot are non-conforming to aerospace and medical requirements.
2

ISO 9001:2015 quality management certification: Current, valid, third-party-audited QMS certificate. Aerospace supply chains increasingly require suppliers to also hold AS9100 or be working toward it. Medical device supply chains may additionally require ISO 13485 compliance for consumables used in device manufacturing.
3

FEPA particle size distribution certification: Sieve analysis data per FEPA 42-2 standards for F-grits, confirming the particle size distribution meets FEPA tolerance for the specified grit designation. Some aerospace programs additionally specify a tighter internal distribution tolerance than FEPA — confirm this before ordering.
4

Material Safety Data Sheet (SDS / MSDS): Current REACH-compliant SDS confirming the media classification, hazard information, and disposal requirements. For medical device manufacturers, the SDS supports the biocompatibility risk assessment file required under ISO 10993.
5

Conformance statement to AMS 2431/9 or equivalent: A written statement from the manufacturer confirming that the product meets the chemical and physical requirements of the applicable specification. This statement is distinct from the CoA — it is a formal specification compliance declaration, not just a test result report.
6

Packaging lot number traceability: Each bag, pail, or bulk container must be labeled with a lot number that links back to the CoA. For aerospace programs, the lot number is recorded on the work order and retained in the component’s traveler documentation for the life of the aircraft.
7

First Article / Qualification test report (when required): For new supplier qualification or new product introductions, some aerospace and medical OEMs require a full first-article inspection report with third-party chemical and physical test data. Jiangsu Henglihong Technology supports first-article testing requests and can provide samples for customer laboratory verification.
8

Counterfeit prevention declaration: Aerospace supply chains increasingly require a statement confirming that materials are not counterfeit or misrepresented — i.e., that the media is genuinely the specified product from the manufacturer named on the packaging, not relabeled bulk commodity.

Jiangsu Henglihong Technology documentation capability: HLH provides lot-specific CoA with every shipment as standard, supports third-party laboratory verification by SGS, Bureau Veritas, or customer-nominated labs, and can provide FEPA particle size distribution certificates and conformance statements for AMS 2431/9 and EN ISO 11126-7 on request. Contact our export team for a documentation sample package before placing your first qualification order.

8. Process Control for Critical Applications

Specifying the correct media is necessary but not sufficient for aerospace and medical compliance. The blasting process itself must be controlled, validated, and documented to demonstrate that the specified surface condition is consistently achieved. The following process control framework reflects the requirements of NADCAP-audited blast shops and ISO 13485-regulated implant manufacturers.

1

Equipment qualification and calibration

Before any critical blasting, verify blast cabinet pressure gauges, regulators, and flow controls against calibrated reference instruments. For peening applications, verify the Almen strip test system (strip holder, gauge, and calibration blocks) to AMS 2432 requirements. Record calibration results in the process traveler. Recalibrate at the interval specified in your quality procedure — typically monthly or at each process change.

2

Media incoming inspection

On receipt, verify the lot number on each container against the CoA. Confirm visual identity (white color, no brown contamination or foreign material). For critical aerospace programs, perform incoming sieve analysis on a representative sample from each lot, confirm D50 ± tolerance against the CoA value, and retain the sample for the record period. Quarantine and return any lot where the CoA chemistry falls outside specification limits.

3

Dedicated equipment for critical substrates

Blast cabinets used for aerospace aluminum, titanium, or medical implant blasting must be dedicated to white fused aluminum oxide only — or must be verified clean before each use by running a visible inspection and a media purity check. Never use the same equipment that was previously loaded with brown fused aluminum oxide for a stainless steel or aluminum aerospace job without a full equipment purge and a verified white-media charge.

4

Process parameter validation

Before running production parts, blast a coupon made from the same alloy as the production component at the specified parameters. Measure the resulting surface roughness (Ra or Sa using ISO 4287 or ISO 25178 as applicable) with a calibrated surface profilometer. Confirm the result meets the drawing or specification requirement. For implant surface preparation, this validation step must be formally documented as part of the process validation record per ISO 13485.

5

In-process monitoring

Monitor blast pressure, nozzle condition, and media charge quality throughout each production run. For high-volume implant production, measure surface roughness on a statistical sample of parts — minimum frequency defined by the process validation — and record results in the batch record. For aerospace components, inspect each part after blasting and record the inspection result on the work traveler before releasing the part for the next operation.

6

Contamination verification

For stainless steel and titanium aerospace and medical parts, perform a ferroxyl test (potassium ferricyanide indicator) on a representative sample after blasting and before any subsequent process step. A positive result (blue-green color change) indicates iron contamination — the part must be re-blasted with verified white media on clean equipment and re-tested before proceeding. Document the test result in the part traveler or batch record.

7

Record retention

Retain all process records — media CoA, equipment calibration records, coupon validation results, in-process inspection records, and batch records — for the period required by the applicable regulatory framework. For aerospace components, this is typically the service life of the aircraft (potentially 30+ years). For medical implants under EU MDR 2017/745, a minimum of 15 years post-market or 2 years beyond the last device placed on the market, whichever is longer. Establish a document control procedure that ensures these records remain retrievable throughout their retention period.

9. Frequently Asked Questions

AMS 2431/9 defines material requirements — chemical composition, particle size distribution, and hardness — but does not maintain a qualified products list (QPL) of approved manufacturers in the way that some military specifications do. Compliance is demonstrated by the supplier providing a CoA showing that all specified properties are met, accompanied by a conformance statement to AMS 2431/9. However, individual OEM purchase orders and process specifications may add approved supplier list (ASL) requirements beyond the base AMS 2431/9 requirements. Always check the specific purchase order and referenced quality clauses for ASL requirements before qualifying a new blast media source in your supply chain.

This is an important biocompatibility question extensively studied in the implant literature. Aluminum oxide (Al₂O₃) is itself considered biocompatible — it is used as a bulk material for orthopedic bearing surfaces (alumina ceramic femoral heads) — so the primary concern is not the chemical toxicity of alumina particles but rather the particle burden on peri-implant tissue. Studies have found that blasting with appropriately specified white fused Al₂O₃ followed by proper cleaning (typically ultrasonic cleaning in deionized water, then acid passivation if appropriate to the substrate) leaves residual alumina particle counts well below levels associated with adverse tissue response. Many implant manufacturers additionally specify a final acid-etch step (e.g. HCl or H₂SO₄/HCl mixture) after blasting, which removes embedded abrasive particles from the surface entirely while preserving the surface micro-roughness created by blasting. The specific cleaning protocol should be validated as part of the process validation required by ISO 13485.

Both are blasting processes that use aluminum oxide (or other media) at controlled velocity — but they serve fundamentally different engineering purposes. Grit blasting is a surface preparation process: its goal is to clean the surface and create a defined surface topography (anchor profile or micro-roughness) for a subsequent process such as coating, bonding, or osseointegration. The primary output measured is surface cleanliness and surface roughness. Shot peening is a surface enhancement process: its goal is to plastically deform the near-surface layer to induce a compressive residual stress field that improves fatigue life and resistance to stress-corrosion cracking. The primary output measured is Almen arc height (a proxy for peening intensity) and coverage percentage. For peening, the media must be harder than the substrate and must be controlled to specific Almen intensity values — aluminum oxide is used for peening of titanium and nickel alloys where steel shot contamination is unacceptable.

Storage and handling practices for aerospace and medical blast media must be more controlled than for general industrial use. Store sealed in original manufacturer packaging — do not transfer to bulk drums or intermediate containers unless the transfer is performed in a clean room or controlled environment with documented procedures. Keep off the floor on pallets; protect from moisture and temperature cycling that causes condensation inside bags. Label storage location with lot number and expiry/inspection date. Handle bags with clean gloves — contamination from handling equipment (forklifts, floor surfaces) can introduce foreign material into the media charge. Dedicate storage areas for white fused media away from any brown fused media or other iron-bearing abrasives, and implement a FIFO (first-in-first-out) inventory rotation. For highest-criticality applications (NADCAP-audited processes), document the storage conditions and handling chain from receipt to point of use as part of the process record.

Blast cleaning of CFRP (carbon fiber reinforced polymer) structures requires careful process development because the hard abrasive must clean the surface without damaging the fiber-matrix interface. White fused aluminum oxide at fine grit (F150–F220) and low pressure (20–35 PSI) can be used for light surface preparation of CFRP before bonding or painting — but it is not appropriate for heavy cleaning or paint stripping, which risks fiber exposure and surface damage. Many aerospace OEMs prefer plastic media blast (PMB) or cryogenic blast for CFRP paint removal because these media are much softer than the carbon fiber reinforcement and remove only the paint without risking fiber damage. For CFRP surface preparation before bonding, peel ply removal followed by light grit blast or solvent wipe is the more commonly specified approach. Always verify with the OEM process specification before applying any abrasive blasting to CFRP components.

The qualification process typically involves three phases: documentary review, material testing, and process validation. For documentary review, Jiangsu Henglihong Technology can provide: current ISO 9001:2015 certificate, facility overview, quality manual excerpt, CoA template and sample, and written conformance statement to AMS 2431/9. For material testing, we can supply a qualification sample lot with full CoA, and support third-party testing by your nominated laboratory (SGS, Bureau Veritas, Intertek, or equivalent) at your cost. For process validation, we provide material to your blast shop for the required coupon blast trials, surface measurement, and documentation of blast parameters. Contact our export and quality team to initiate a qualification package — we have supported aerospace supplier qualification processes in North America, Europe, and Asia and can guide you through the documentation requirements efficiently. See also our bulk ordering page: Bulk Aluminum Oxide Blast Media – Wholesale Pricing & RFQ.

AMS 2431/9 Qualified White Fused Aluminum Oxide

Jiangsu Henglihong Technology supplies aerospace and medical-grade white fused aluminum oxide with lot-specific CoA, FEPA particle size certification, conformance statements to AMS 2431/9, and ISO 9001:2015 quality management on every shipment. Contact our technical team to initiate supplier qualification.

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