? ???? Coal tar epoxy component of coal tar epoxy primer and paint, are based on epoxy resin and coal tar pitch as the main film material, adding a variety of anti-rust paint, insulation fillers, toughening agents, leveling agents, diluents, anti-settling agent is made, B component is a modified amine curing agent or curing agent based material, adding fillers made. This product is marketed under A, B groups were supporting the supply, the construction was mixed, stir up within the allotted time. ???? Second, the scope ???? mainly used for buried or submerged steel oil, gas, water, heat pipe wall corrosion, also applicable to all types of steel, docks, ship, sluice , gas tanks, oil refining plant of corrosion and concrete pipes, sewage tank, roof waterproofing, bathroom, basement and other concrete structures waterproof and leakproof.