but local companies do not yet have mass production capabilities

The full name of PIPD fiber is poly(2,5-dihydroxy-1,4-phenylenepyridodiimidazole) fiber, also known as M5 fiber. It is a new type of liquid crystal aromatic heterocyclic polymer developed based on the PBO molecular chain. fiber. PIPD fiber has the advantages of good flame retardancy, high tensile strength, high modulus, and good heat resistance. It has broad application…