Need to be anti-rust paints on the welded joints when paint on welded pipes have welded joints?
- Method 1. It is possible to paint anti-rust primer on the welded joints after they are cleaned. Then use galvanized sơn sắt mạ kẽm paint to paint as usual.
- Method 2. Without any primer, the worker just clean the surface and then coated with galvanized iron. The welded joint is painted 1-2 times thicker than the surface to ensure quality.
Note: Do not paint primer against galvanized iron surface.