Hantai fixed grain pipe is made of alkali free glass fiber. The knitting angle of yarn and knitting equipment is usually 45 according to different product specifications ° The angle is moderate, the surface is smooth and flat, and then bonded by high temperature dewaxing and fixed grain impregnation special resin. The temperature resistance can reach 650 ℃ or so. It has the characteristics of tensile resistance and high temperature resistance. It is suitable for the wiring insulation of motor, electrical appliances and the conductor sheath of household appliances, and can also be used as economical heat-resistant sheath.