... in road, protection railings, bridge constructions, building of water divers Polypropylene fiberApplication- it is widely used ... project, because it can effectively control the micro crack in result of plastic shrinkage, air shrinkage, temperature variation, ... °CFire point590°Cbreaking strength≥300MpaTensile strain15%~20%modulus of elasticity>3500MpaSection shapeY-type density0.91g/cm3length3mm,4mm ...