... concrete. PAN cement fiber can enhance the toughness and impact resistance, in the meanwhile, it can improve the durability, ... in the construction of road, bridge, tunnel, water conservancy, port and harbor, airport runway and aircraft parking, industry&civil building, etc ... ,Anti-seepageDam slab, beam, wall and floor panel, , etc.0.5-1.0Impact and abrasion resistanceDam floodway, aircraft pavement, ...