Polyacrylonitrile fiber precursor is high purity and high strength fiber through wet-two step method with solvent DMF and surface finishing size treatment.It has higher elastic modulus, tensile strength and anti-UV properties, anti-high temperature and cold performance.It is the best raw material of PAN carbon fiber Via Pre-oxidation(200~300℃), carbonization(1000~1500℃), Graphitization(2500~3000℃).
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