3732 twill cloth is a fabric woven from alkali free glass or acrylic glass roving in plain or twill weave, also known as "alkali free glass or acrylic glass roving".  It has high adhesive strength，excellent chemical resistance, fire resistance, heat resistance, and durability, widely used in the glass fiber reinforced plastic (GFRP) industry and other materials and engineering with chemical resistance, fire resistance, and heat resistant.