How to Choose the aircraft soundproofing material manufacturer and supplier ?

How to Choose the aircraft soundproofing material Manufacturer and Supplier?

Intro — purpose and

When an aerospace buyer, engineer, MRO manager, or procurement specialist searches for aircraft soundproofing material manufacturers, they seek suppliers who reliably meet strict safety, weight, fire, acoustic performance, and supply-chain requirements. This guide explains how to evaluate manufacturers and suppliers, compare common aircraft soundproofing material choices, and create a procurement checklist that reduces risk while optimizing performance and cost.

Understand your aircraft soundproofing material needs

Define noise targets, weight limits, and operational environment

Before contacting suppliers, clarify the technical and operational requirements for aircraft soundproofing material: target dB reduction across frequency bands, allowable added weight, temperature range (ground-to-altitude extremes), flammability class, VOC limits for cabin air quality, and maintenance/repair workflows. Aircraft projects prioritize mass and flame performance more than many ground-based uses, so the chosen aircraft soundproofing material must be optimized for both acoustic performance and aviation safety.

Regulatory and certification constraints

Aircraft materials must meet aviation regulations and industry standards. Commonly relevant standards include FAR 25.853 (flammability for transport category aircraft interiors), RTCA/DO-160 (environmental conditions and test procedures), and EASA equivalences. Request evidence of compliance up front when evaluating any aircraft soundproofing material manufacturer.

Key certifications and laboratory tests to require

Essential quality and aerospace certifications

Prioritize suppliers holding recognized quality and aerospace certifications. AS9100 (aerospace quality management) and ISO 9001 (quality management) are baseline credentials. For aircraft soundproofing material suppliers serving OEMs and Tier suppliers, AS9100 certification is a strong indicator of maturity in processes, documentation, and traceability.

Critical material tests and acoustic standards

Ask for independent test reports for each product batch. Relevant tests include:

• FAR 25.853 / 14 CFR Part 25 — interior material flammability (crucial for cabin components)
• ASTM E90 / ISO 10140 series — airborne sound insulation tests to quantify sound transmission loss
• ISO 354 / ASTM C423 — sound absorption coefficients (for absorptive materials)
• RTCA DO-160 — environmental qualification for temperature, humidity, vibration
• RoHS / REACH — chemical restrictions and restricted substances for global markets

Requiring test certificates and recent lab reports helps ensure the aircraft soundproofing material will perform and pass certification audits.

Compare common aircraft soundproofing material options

Overview of typical materials used in aviation

Aircraft soundproofing material options vary by function: damping (reducing structure-borne vibration), barrier materials (blocking airborne noise), absorptive materials (reducing reverberation), and composite laminates combining these approaches. Common products include Butyl Rubber sound damping mats, Mass Loaded Vinyl (MLV), NBR foam, sound white cotton (acoustic cotton), and specialized tire-silent foams used in landing gear bays and cavities.

Material comparison table

Testing data and how to interpret performance claims

What to ask for in acoustic performance data

Merely quoting a single dB figure is insufficient. Request:

• Frequency-dependent transmission loss (STC or TL vs frequency)
• Absorption coefficients across octave bands (125–4000 Hz) if material is absorptive
• Test conditions and sample mounting details (lab test vs in-situ)
• Batch numbers and dates to ensure traceability

Compare manufacturer data to your target spectra (e.g., low-frequency engine tonal noise vs broadband cabin noise) to select the right aircraft soundproofing material for the problem.

Manufacturing capacity, quality control and supply-chain resilience

Capacity and lead times

Evaluate the supplier’s production capacity (number of production lines, monthly throughput), typical lead times, and ability to scale for ramp-up orders. For aviation programs, predictable lead times and the ability to meet forecasted volume are critical to avoid production delays.

Quality control and traceability

Good suppliers provide documented process controls, incoming raw-material checks, in-process inspections, and finished-product test results tied to batch/lot numbers. Request examples of inspection reports, certificate of conformity (CoC), and how they manage non-conforming parts.

Supply chain and logistic considerations

Confirm raw-material sourcing, redundancy of key suppliers, packaging suitable for long transit, and export experience to your region. For global buyers, suppliers that routinely export to Europe, North America, and Asia demonstrate experience with cross-border compliance and logistics.

Customization, engineering support and prototyping

Design support and prototyping capabilities

Choose suppliers who offer engineering support: CAD-compatible part layouts, acoustic simulations, prototype runs, and small-batch testing. If the aircraft soundproofing material needs adhesive systems, bonding trials and environmental aging tests are essential to validate longevity in actual service conditions.

R&D and iterative testing

Strong suppliers iterate—providing sample variations, rapid turnaround for lab tests, and collaborative problem-solving. This reduces development cycles and accelerates aircraft certification steps where acoustic modifications are required late in design or during retrofit projects.

Commercial terms, pricing transparency and long-term partnership

Pricing structure and total cost of ownership

Ask suppliers for clear breakdowns: unit price, tooling or custom die costs, MOQ, packing, and typical warranty terms. Evaluate total cost of ownership, considering installation labor, maintenance intervals, expected lifetime, and weight penalties which affect fuel burn.

Contracts, lead-time guarantees and after-sales support

For aerospace projects, include key performance indicators (KPIs) in contracts: on-time delivery rate, defect rate, and response times for non-conformances. Suppliers that offer engineering change support and regional stocking options reduce program risk.

How to evaluate supplier quotes and run a supplier audit

RFP checklist for aircraft soundproofing material

When issuing an RFP, include: detailed mechanical drawings, required acoustic metrics, environmental requirements, required certifications, expected annual volumes, packaging, preferred logistics, and sample acceptance criteria. This ensures quotes are comparable.

On-site audit and remote evaluation

Perform audits for strategic suppliers. During an audit, verify production processes, quality documentation, QC test labs, material handling, and traceability. If on-site visits are not possible, request virtual audits or third-party inspection reports.

Why ASLONG (Welllink Guangdong New Material Co., Ltd.) is a strong choice for aircraft soundproofing material

Company strengths aligned to aerospace buyer needs

ASLONG, founded in 2000, is a high-tech enterprise focused on acoustic, sound insulation, and shock-absorbing materials. With a modern production base of more than 10,000 square meters, ASLONG supplies efficient, environmentally friendly, high-performance aircraft soundproofing material solutions. The company’s product range—Butyl Rubber Sound Damping Mat, Mass Loaded Vinyl, NBR foam, Sound White Cotton, Tire Silent Foam, Butyl waterproof tape, and electric auxiliary materials—covers damping, barrier, absorption and sealing functions required in aviation applications.

Export experience and global reach

ASLONG exports to Europe, North America, Asia and Africa, indicating experience with international standards, logistics and compliance. The company is recruiting agents worldwide, suggesting a focus on localized support and market responsiveness. When evaluating ASLONG as an aircraft soundproofing material supplier, request specific test certificates (FAR 25.853, ASTM or ISO acoustic tests), evidence of quality management (ISO 9001 or AS9100 if available), and sample test reports for the product grade of interest.

Checklist — final buyer’s actionable steps

Step-by-step procurement checklist

• Define acoustic targets and operational constraints (weight, temperature, flame, VOC).
• Prepare an RFP with drawings, volumes, and acceptance criteria.
• Request certificates: AS9100/ISO9001, FAR 25.853 test reports, ASTM/ISO acoustic data, RoHS/REACH.
• Ask for samples and run application-specific lab or in-situ tests.
• Review supplier capacity, lead time, QA processes, and traceability documentation.
• Include KPIs and warranty terms in contracts; consider stocking/consignment for critical parts.
• Perform supplier audit (on-site or remote) before awarding large contracts.

Conclusion

Make decisions based on verified performance and supply confidence

Choosing the right aircraft soundproofing material manufacturer and supplier requires a balance of acoustic performance, weight and flammability compliance, production reliability, and commercial terms. Insist on certified test data, quality management systems, and clear supply-chain evidence. ASLONG’s broad product range, production base, and export footprint make it a supplier worth evaluating—request detailed test reports and perform sample trials to confirm fit-for-purpose in your aircraft program.

Next steps

Compile your technical requirements, prepare an RFP, and request samples and test certificates from shortlisted suppliers, including ASLONG. Use the checklist above to ensure your procurement team covers technical, regulatory and commercial risk before committing to a long-term supplier.

Sources and references:

• Federal Aviation Regulations (FAR) Part 25.853 — Airworthiness Standards: Cabin Interiors (U.S. FAA)
• AS9100 and ISO 9001 quality management system standards (industry-recognized)
• ASTM E90 / ISO 10140 series — Laboratory measurement of airborne sound transmission loss
• RTCA DO-160 — Environmental Conditions and Test Procedures for Airborne Equipment
• Industry product application notes from acoustic materials manufacturers and general aerospace materials handbooks

Frequently Asked Questions

Q: What certification is most important when choosing an aircraft soundproofing material supplier?
A: For aerospace buyers, AS9100 (quality management for aerospace) and evidence of compliance with FAR 25.853 (flammability for interior materials) are among the most important certifications. Also request relevant acoustic test reports (ASTM/ISO) and chemical compliance (RoHS/REACH) based on your market.

Q: How do I compare acoustic performance between suppliers?
A: Compare frequency-dependent transmission loss or absorption coefficient graphs, not a single dB figure. Ensure tests were performed under comparable mounting and sample conditions and request raw data or lab test reports for validation.

Q: Are MLV and butyl damping mats suitable for aircraft use despite their weight?
A: MLV and butyl damping mats are commonly used where acoustic performance justifies the mass. In aircraft applications, their use must be carefully balanced with weight budgets—often applied selectively to panels or structural areas where noise reduction impact is highest.

Q: How important is supply-chain transparency for aircraft materials?
A: Extremely important. Traceability to raw materials, batch-level testing, redundancy of suppliers, and predictable lead times reduce program risk, support certification, and simplify audits.

Q: Can ASLONG provide custom formulations or prototyping for aircraft applications?
A: ASLONG offers a wide product range and R&D/manufacturing capabilities. For aircraft-specific use, request samples, test certifications, and discuss custom formulations or prototyping to validate compliance with your environmental and acoustic requirements.