Compression moulding is used in various industrial sectors. The excellent mechanical properties such as flame retardant make the composite very popular in making parts include hoods, fenders, panels, spoiler, doors, and battery cases in automotive. In sanitary industry, we were surrounded by object that were manufactured by composite due to it is surface aesthetics, water resistance, such as bathtub, shower base, washbasin, toilet.​​​​​​​​​​​​​​​​​​​​​

GMT material is the short name of glass mat reinforced thermoplastics. It is one of the composite that based on thermoplastic resin such as polypropylene or polyamide and reinforced by long glass fiber or continuous fiber. It is available as a plate sheet semi-finished product.​​​​​​​​​​​​​​