1. When the house is being decorated, cement, oil, etc. remain on the surface of the stainless steel pipe, which may cause rust if not cleaned in time.
2. Mineral or acid-base dust in the decorated house fell on the surface of the stainless steel pipe and encountered humidity.
3. Iron products placed on stainless steel pipes for a long time will cause floating rust.
4. Chemical agents, cleaning agents, paints, sauces, oil, etc. remain in the stainless steel tube.
5. Poor water quality, high levels of iron and other elements in the water, more residual water stains, and easy to cause floating rust.
6. Mechanically abraded stainless steel pipe.
7. Sprinkle bleach on stainless steel tube.