The nature of fiberglass?
When glass fiber is used as a reinforcing material for reinforced plastics, the biggest feature is that it has high tensile strength and good heat resistance, and has no effect on strength when the temperature reaches 300 °C. It has excellent electrical insulation and is an advanced electrical insulating material. It is also used for thermal insulation materials and fireproof shielding materials. Generally only corroded by concentrated alkali, hydrofluoric acid and concentrated phosphoric acid.