... Absorbency:No 4,Length:12-40mm Polypropylene fiber for Concrete pavementSpecification Density(g/cm3)0.91±0.01Length(mm ... 50Crack Elongation(%)5-10Water AbsorbencyNoMelting Point(°c)160-170Applications1,Concrete pavament,deck,airport runway,factory horizon2,Shotcrete projects such ... ,mine wall,roof.3,Irrigation work such as river,dam4,Military protection,terminal revetment,bridge pier.5,Concrete precast. ...