... Length:6-48mm 4)Tensile Strength:more than 500MPa 5)Crack Elongation:15-25% ploypropylene monofilament concrete fiber ... a good economic value.Technical Data Raw MaterialPolypropyleneCrack Elongation20%±5%TypeMonofilamentDensity0.91±0.01 % g/cm3Fiber Dia0.03± ... Strength≥450MPaResistance to Acid,AlkaliStrongSize6,10,12,15,19,20,24,48Water AbsorbencyNoReinforced Functions to Concrete Resist to shrink ...