Rigid PVC-Encased Intumescent Fire Seal – Durable Option for High-Traffic Areas

Product Overview Encased in rigid PVC, this intumescent fire seal is designed for enhanced durability and long-term performance, ideal for public buildings with frequent door use.

Features Rigid casing protects the seal core Suitable for grooved or surface fit Color options to match door sets Non-toxic and halogen-free.

Technical Specifications Core: Intumescent graphite Casing: Flame-retardant PVC Thickness: 4mm–6mm Width: 10mm–25mm Color: White, Black, Brown Fire Rating: Up to 120 minutes.

Applications School and university doors Healthcare facility entrances Shopping malls and theaters Library and archive storage.

Customization Options PVC color and finish Pre-formed corner pieces Length and width adjustments Custom print with safety message.

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.