Material:100% polyacrylonitrile Specific Gravity:1.16-1.2g / cm3 Length:6,9,12,15,18mm and others below 60mm Diameter:10-20um Tensile Strength:>600MPa Elastic Modulus:>6000MPa Elongation at Break:>15% Acid and Alkali Resistance:extremely strong Usage:concrete reinfored additives Manufacturing experience:15years+ Show More