Shenzhen Xunzhi Building Material Industry Co., Ltd.
0 gap sealing rubber strip canbe used for 15 years
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Double-Layer Intumescent Fire Seal – Enhanced Barrier for Critical Infrastructure Doors
Product Overview This advanced fire seal features dual intumescent layers to provide enhanced protection for critical environments like power stations, control centers, and defense facilities.
Features Two-stage expansion for extended sealing Increased fire resistance duration Designed for extreme environments Strong adhesive bond to most surfaces.
Technical Specifications Material: Dual-layer graphite formulation Activation Temp: 180°C–200°C Thickness: 5mm–10mm Width: Custom from 10mm–50mm Fire Rating: 120–180 minutes Certification: EN 1634-1, UL Listed.
Applications Data centers and server rooms Critical energy infrastructure Aerospace and defense facilities Secure government buildings.
Customization Options Multiple strip configurations Length and packaging formats Custom testing reports Special color requirements.