FR Meta-Aramid Felt, 1/4" x 48"

MC0-4592B is a high-performance Meta-Aramid needled acoustical insulation material designed for demanding commercial and industrial environments. Offering excellent thermal stability, flame resistance, and PFOA/PFAS-free water repellency, it delivers consistent sound dampening with a durable, unsupported construction. Ideal for OEMs and integrators requiring reliable, spec-compliant solutions in aerospace, transit, or architectural applications. 48 inches wide; 1/4 inch thick. Sold by the yard. Includes FAA burn certificate for 25.853(a). Specifications Width 48 inches Length Variable; 1-yard increments Thickness 0.25 inches Weight 17 oz/yard² Material Meta-Aramid Construction Needled, Unsupported Color Natural/White Flammability   14 CFR (FAR) 25.853(a), Vertical Burn 14 CFR (FAR) 25.853(d), Heat Release 14 CFR (FAR) 25.853(d), Smoke Density AITM 2.0006 Heat Release AITM 2.0007 Smoke Density BSS 7322 Heat Release BSS 7238 Smoke Density ASTM E662 California Technical Bulletin 117 FMVSS 302 (Automotive)    Compatibility   This product greatly exceeds automotive flammability standards. More cost-effective (but more flammable) alternatives may be available. This product is acceptable for use in certain types aircraft and rotorcraft. Data regarding heat release and smoke density for other aerospace applications forthcoming. This product is water repellent but not waterproof.  This product is acceptable for use in Rail applications.