Fire casing (English name: fire-resisting sleeves), also known as high temperature resistant sleeve, silicone rubber fiberglass sleeve, using high purity alkali-free glass fiber, and then coated with the outer wall of silicone by sulphization.It can be used and flexible at-65℃-60℃-260℃。 Beijing Guweihao fire protection casing type Folding tube tube type fire sleeve Generally suitable for