Fiberglass is a type of fiber-reinforced plastic where the reinforcement fiber is specifically glass fiber. The glass fiber may be randomly arranged, woven into sleeve.
The Fire Sleeve is made from woven insulated glass fiber braided sleeve that is heavily coated with 100% iron oxide silicone rubber.
Fiberglass is a strong lightweight material and is used for many products. Applications of fiberglass include aircraft, boats, automobiles, bath tubs and enclosures, swimming pools, hot tubs, septic tanks, water tanks, roofing, pipes, cladding, casts, surfboards, and external door skins.