High-Density High-Temperature Resistant Fire Resistant Glazing Shim for Residential Fire Door Installation

High-Density High-Temperature Resistant Fire Resistant Glazing Shim for Residential Fire Door Installation. A1 Non-Combustible Rating: Meets international fire standards with zero combustion risk. High Temperature Resistance: Anti-aging and durable under extreme heat without powdering. Customizable Dimensions: Thickness from 2mm to 26mm, width up to 1200mm, length up to 2400mm. Excellent Waterproof Performance: Water absorption less than 35% with no swelling or deformation. Chemical Corrosion Resistance: Resistant to acids and alkalis for long-term durability. Glass Edge Protection: Stable support maintaining thermal expansion gaps without damage. High Compressive Strength: Provides robust structural support for fire-rated glass installation. CE and ISO Certified: Product meets rigorous international safety and quality standards.