Glass cloth (AISA KANGNAM ) is made from fine fibers . It is used as a reinforcing material for popymer product , composite materials, properly known as fiber -reinforced polymer (FRP),or Glass-reinforced plastic (GRP),is called fiberglass in popular usage .
The specific characters of fiberglass are incombustible , insulated ,unrotten ,inelastic ,corrosion proof,and stronger than steel (7400KG/mm2 of the endurance of tension)