... strength, 3)Resistance against cracking,high tenacity,impact and fatigue. This fiber is made from steel wire coated copper,it ... belowed advantage:excellent tensile,binding and shearing strength,resistance against cracking,high tenacity,impact and fatigue.Technical parameter:Diameter: ... ,bridges,airport road surface,military engineering etc. Reinforced Concrete RPC Dedicated Micro Coarted Copper Steel ...