PF-091 UL94 HF-1 is a flame-retardant, sound-absorptive material designed specifically for high-performance OEM applications. An alternative to UL94 HF-1 foam, PF-091 is made from a non-woven, polyester fiber blend and excels in high-stress environments such as heavy equipment, HVAC, automotive, and other industries demanding a durable, compliant acoustic solution. The material is engineered to perform up to 350 °F and resists UV, water, fuels, and oils, providing a sustainable alternative to traditional polyurethane foam without compromising on safety or performance.
Learn more about PF-091 UL94 HF-1 flame-retardant acoustic fiber for OEMs from Technicon Acoustics.
Key Features & Specifications
PF-091 offers durability, flame resistance, and acoustic performance. Its key features include:
- UL94 HF-1 fire rated. Meets strict flammability compliance standards for OEM components.
- Optimized for low-frequency sound absorption. Reduces engine and equipment noise effectively.
- Thermal stability at up to 350 °F. Maintains structural integrity under prolonged heat exposure.
- Customizable with facings. Choose RA (aluminum) or FS (FlameShield™) for extra protection.
- Sustainable and non-toxic. Free from off-gassing, fogging, or harmful VOCs.
- Highly resistant. Withstands moisture, oils, fuels, and UV radiation.
| Property | Value |
|---|---|
| Thickness | 0.5”, 1.0”, 1.5”, 2.0” |
| Operating Temperature | Up to 350 °F |
| Flammability | UL94 HF-1 |
| Material Type | Blended polyester fiber |
| Facing Options | RA (Aluminum), FS (FlameShield™) |
| Adhesive Options | PSA (Pressure Sensitive Adhesive) |
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Common OEM Applications
The combination of heat resistance, flame rating, and sound absorption makes PF-091 a reliable material across multiple OEM platforms:
Generator enclosures
Marine engine rooms
HVAC units and ductwork
Off-road construction vehicles
Heavy-duty truck cabs and firewalls
Fluid pump and compressor housings
Benefits of Flame Retardant Acoustic Fiber for OEMs
Using PF-091 acoustic fiber helps OEMs meet both regulatory and operational demands through the following:
- Ensures compliance. UL94 HF-1 rating supports regulatory flame resistance standards.
- Reduces noise and heat exposure. Protects sensitive components and operator comfort.
- Moisture-resistant and non-wicking. Maintains performance in wet or oily conditions.
- High thermal durability. Maintains structure and insulation at elevated temperatures.
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Facing Options & Customization
PF-091 is available with several facing options to meet application-specific needs:
- RA Facing (Aluminum). Offers heat reflection and rugged durability.
- FS Facing (FlameShield™). Adds fire and thermal resistance for high-risk environments.
- PSA Backing. Enables fast installation with pressure-sensitive adhesive.
- Multiple formats. Available in pre-cut parts or full sheets for seamless integration into OEM part designs.
Sustainability & Environmental Considerations
PF-091 is an environmentally conscious choice for manufacturers committed to sustainable practices:
- Made from a blend of virgin, pre-consumer, and post-consumer polyester fibers
- Free from off-gassing, harmful VOCs, and fogging
- Recyclable and supports green manufacturing goals
- May also be eligible for Advanced Manufacturing Production Credits
Related OEM Acoustic Products
Looking for additional sound-blocking solutions? See our Mass Loaded Vinyl for OEM Equipment. This product is ideal for airborne noise control in machinery and generator compartments.
Request a Quote or Application Review
Need help determining the correct configuration for your project? Contact our team for a quote or application review. We’ll help you select the ideal facing, thickness, and installation method to meet your OEM requirements.