PP fiber is made of polypropylene , high intensity bunchy monofilament fiber ,a kind of engineering fiber, used for concrete rei Specification MaterialpolypropyleneFiber Typebunchy monofilamentColorwhiteIdentical Diameter(µm)25-40Elongation at Break(%)≥15Length(mm)3-50mmNormal 3,6,10,12,15,19mmModulus of elasticity(MPa)≥3000Tensile Strength(MPa)≥400Density(g/cm3)0.91-0.93 PP fiber