1)large original modulus 2)high tensile strength 3)anti-acid, alkali, corrosion 4)good dispersing 5)large oil-absorbency Polyacrylonitrile fiber is an advanced organic fiber aimed at the modern projects and constructions. It has many advantages such as large original modulus, high tensile strength, anti-acid, alkali, corrosion, good dispersing, large oil-absorbency and stable with chemicals. It ...