... raw material, the fiber is produced through adding some functional additive , by plastic melting,extruding,high-ratio stretching ... for high-tensile concrete,so it is an ideal multi-functional reinforced material.According to the testing report by ... Length6mm,10mmFiber diaMonotiamentDensity1.36-1.4g/cm3Fiber strength0.02±0.005mmMelting Point>249Tensile strength7.7cN/dtexFlaming Point> ...