... 3.Long-term protectio A, composition and characteristics: by epoxy resin, asphalt, antirust pigments, char thickening agent and curing ... : 0-10% (in paint weight plan)Five, the preceding supporting coating: high-build coal tar epoxy anti-corrosion primer.Six, ... that after supporting coating: high-build coal tar epoxy antiseptic surfaces.Seven, surface treatment: primer directly applied in ...