1. "Cold plating" is also called "electroplating", that is, the zinc salt solution is electrolyzed to replace iron and zinc ions. Generally speaking, there is no need to heat, and the amount of zinc is very small. It is very simple to encounter a humid environment. rust. But the price is cheaper than hot-dip galvanizing!
2. According to our many years of experience, if cold galvanized steel grating is used outdoors, it will rust after encountering rain, and it will rust in a humid environment generally in 2 to 3 months. The anti-rust effect is very poor.
