Epoxy zinc rich primer: an electrochemical protective coating with excellent cathodic protection and rust resistance, good adhesion, impact resistance, abrasion resistance, excellent oil resistance and solvent resistance, fast drying and good construction performance. Application: it is suitable for the surface of steel structure equipment in bridge, tower, petroleum, metallurgy, chemical industry and other industries as the most basic antirust primer. It is used as a maintenance primer for steel plate shot blasting or sandblasting. The maintenance period is about nine months. Color: grey super epoxy zinc rich primer: an electrochemical protective coating with cathodic protection, high zinc content and good conductivity, excellent corrosion resistance and strength.