Polyimide with excellent high temperature resistant properties, which can be 250° C to 450° C below zero this used in a broad temperature range. In addition, it also has the solvent resistance, corrosion resistance, resistance to radiation, flame retardant, from self-extinguishing fire, heat insulation, sound insulation, low noise, fatigue resistance, wear resistance and impact resistance strike, density is small, no dust, no fiber, strong flexible, durable performance is good wait for a super performance.