Description : Based on the water impermeability of the coal tar pitch and the chemical resistance of the epoxy resin, Dyno Coal Tar Epoxy is an economical protective coating for the structural steel or concrete above or under water. The high build protective film is highly resistant to corrosion, salt or fresh water, mild acid and alkali. It is designed to be used as a coating on concrete or steel subject to fresh or salt water immersion or in the severe industrial or marine environment, e.g. internal and external pipelines, waste treatment plant, underground tank and piping, etc.