Introducing our top-quality product, Kaowool Paper Heat Insulation Sealing Ceramic Fiber Paper for Fire Door! With a thickness range of 0.5-12mm, this premium insulation paper guarantees exceptional heat resistance and optimal sealing properties. Designed specifically for fire doors, it provides reliable protection against high temperatures and thermal shock. Manufactured in our state-of-the-art factory, we ensure the highest standards of quality and durability. Trust our specialized expertise and choose our Kaowool Paper to ensure a secure and fire-safe environment.