The content of metal zinc powder in the paint film is high, which has excellent cathodic protection and anti-rust effect;It has excellent anti-corrosion, weather resistance and abrasion resistance, and in a dry environment, it can withstand long-term temperature up to 400 °C, and occasionally short-term high temperature resistance up to 500 °C;Excellent chemical resistance in media with pH 6-9 and solderable primer.