(1) precursor purification, heavy duty, compact and smooth surface and no time to get the high performance carbon fiber top priority. Carbon fiber needs starting from the monomer precursor of systems engineering. Quality determines the properties of carbon fiber precursor and restricting its production costs. High quality PAN precursor is the prerequisite of high performance carbon fibre manufacturing.
(2) minimize impurities, defects, this is a fundamental measure of carbon fiber tensile strength, science and technology workers a hot topic. In a sense, increase strength of the process is the process of reduction, reduced defects.