Flame Retardant PU Foam Strip UL94 Certified Gasket for Electrical and Fire Sensitive Applications

Product Overview This flame-retardant PU foam seal complies with UL94 and other international fire resistance standards, designed to offer safe and effective sealing in sensitive electrical and HVAC systems.

Features Meets UL94 HF-1 or V0 ratings Low smoke and halogen-free options High thermal insulation Anti-static and EMI shielding available.

Technical Specifications Material: Flame-resistant Polyurethane Flame Rating: UL94 V0 / HF-1 Density: 40–60 kg/m³ Operating Temp: -40°C to +90°C Compression Set: ≤ 10%.

Applications Fire-rated HVAC ducts Switchboards and power cabinets Elevator control rooms Server room insulation.

Customization Options Fire rating certificate support Custom formulations per safety codes Antistatic or EMI variants Laser-cut or CNC-die cut shapes.

Shenzhen Xunzhi Building Materials Industrial Co., Ltd. is an integrated enterprise specializing in design, production, and sales, with many years of experience in manufacturing and technical product development. The company has two subsidiaries: Hong Kong Ruisong Technology Co., Ltd. and Sanya Ruisong Technology Co., Ltd. It is a professional manufacturer of door and window seals, curtain wall seals, and vehicle door sealing strips, providing one-stop rubber sealing solutions to global customers for many years.

We specialize in the production and processing of various sealing and molding products, including PVC (Polyvinyl Chloride), EPDM (Ethylene Propylene Diene Monomer), high-grade thermoplastic rubber (Santoprene), silicone rubber, dual-hardness sealing strips, rigid decorative strips, EVA single- and double-sided adhesive products for doors, windows, and curtain walls, as well as molded parts and plastic-rubber injection components.

The company is equipped with a strict quality assurance system, comprehensive testing procedures, and excellent after-sales service. Our products are highly recognized and praised by industry professionals, and are exported to Europe, America, Southeast Asia, and Hong Kong and Macao regions.