The current flame-retardant materials are all materials that can achieve flame-retardanteffectsafteraddingaflameretardant,andhaveself-extinguishing and flame-retardant properties. Hebei Zier’s main glass fiber coated fire-resistant siliconetubeisplaying an increasingly important role in the construction industry, textile industry, iron and steel metallurgy, aerospacetechnology,fireprotection, automobiles, machinery and other industries. With the increasing application of flame retardant materials, people’s requirements for the safety