... network in cement concrete, effectively restrains the primitive plastic and dry shrinkage cracks in the concrete. PAN cement ... of road, bridge, tunnel, water conservancy, port and harbor, airport runway and aircraft parking, industry&civil building, etc.Technical ... resistance,Anti-seepageDam slab, beam, wall and floor panel, , etc.0.5-1.0Impact and abrasion resistanceDam floodway, aircraft pavement, ...