Customized Modern Design Intumescent Seal Strip Fireproof Fireproof Expansion Board Strips for Anti-Theft Door

Customized Modern Design Intumescent Seal Strip Fireproof Fireproof Expansion Board Strips for Anti-Theft Door. Fireproof & Smoke Prevention: Sodium silicate based material forms non-combustible foam, blocking flame and heat without releasing harmful gases. Customizable Dimensions: Size can be customized through cutting or punching to fit specific door or window requirements. High Expansion Pressure: Maximum expansion pressure reaches 1.5N/mm2, effectively sealing gaps during fire exposure. Versatile Application: Ideal for wooden/steel fireproof doors, railway, shipbuilding, and new energy vehicle safety systems. Chemical Resistant Coating: Epoxy coating resists acids, alkalis, salts, and organic solvents, ensuring long-lasting durability. Safe & Asbestos-Free: Contains no asbestos and releases only water vapor, creating a heat-absorbing effect during expansion. OEM/ODM Support: Manufacturer offers OEM and ODM services with full customization options from samples or designs.