The outer layer of the fire-resistant bag is made of tightly woven and specially treated durable glass fiber cloth, and filled with special fire-resistant, thermal insulation materials and expansion materials inside. The fire-resistant bag has non flammability and a fire resistance limit of more than 4 hours. It expands and solidifies at higher temperatures. Form a heat-insulating and smoke proof seal, and have fire and moisture resistance without toxic substances such as asbestos. The main technical performance has reached the advanced level of similar foreign products. The fire-resistant package can be effectively used for fireproof sealing at cable penetration holes in power plants, industrial and mining enterprises, high-rise buildings, petrochemicals, etc. It is particularly suitable for situations where cables need to be replaced or added frequently or for temporary fire prevention measures in construction projects.
