Differences between epoxy coal tar anticorrosive paint and asphalt paint

The paint composed of epoxy resin, coal tar (petroleum) asphalt, pigment, additives and solvents is component A, and the other component is a special epoxy curing agent. The two-component self-drying epoxy coal tar paint belongs to one of the epoxy paint series. It has excellent adhesion, impact resistance, water resistance, superior drying performance, high anti-rust performance, good chemical resistance and oil resistance, good wear resistance, and has the following differences compared with traditional ordinary asphalt paint.

Differences between epoxy coal tar anticorrosive paint and ordinary asphalt anticorrosive paint:

  1. Composition
    Ordinary asphalt paint: with coal tar asphalt and coal tar as the main raw materials, added with diluents, modifiers, driers and other organic solvents.
    Epoxy coal tar paint: The components include anti-rust pigments, additives, epoxy resins, coal tar asphalt, and modified amines.
  2. Coating field
    Ordinary asphalt paint: suitable for general anti-corrosion environment, the coating range includes air pollution, humidity, high temperature, ocean, chemical and other corrosive environments, galvanized steel structures, bridges, ships, railways and other protective coatings.

Epoxy coal tar paint: suitable for heavy anti-corrosion environment, the coating range includes gas, oil, water pipelines, pipelines, refineries, chemical plants, sewage treatment plants and pipeline equipment anti-corrosion, and can also be used for heavy corrosion environment protection such as ships, oceans, water and underwater areas.

From the above content, it can be seen that after adding epoxy resin, the comprehensive performance of epoxy coal tar anti-corrosion paint is significantly better than that of ordinary asphalt paint, and it is more suitable for use in heavy corrosion environments. It should be noted that epoxy coal tar paint is not suitable for use in outdoor sunlight exposure environment. The main reason is that epoxy resin has poor weather resistance, and the paint film will be differentiated and fall off in a few months. It is suitable for indoor environment.