What kind of supermarket shelves are good and the shelves will rust from inside
Skim (except oil), water (to remove residual alkali), physical removal rust, water washing, acid washing, phosphating, comprehensive (phosphating film formation), washing, passivation (removing residual impurities), washing, drying, electrostatic powder coating, repair spray, high temperature of 180 degrees 20 minutes, air drying, curing, packaging inspection storage, momentum, to avoid the unfavorable factors in the production process
After phosphating, pickling, powder spraying, baking paint supermarket shelves, will not rust!
The rust of the supermarket shelves is due to the oxidation of iron, and the shelf is easy to rust when the environment is wet or the welding points are not handled properly. The proposed purchase some special treatment after pickling the supermarket shelves, supermarket shelves yingshida can guarantee 10 years without rusting.
