2021-01-12 2260
The hardware used in the bathroom mainly includes towel rack, towel rack, towel ring, paper towel rack, storage rack, soap box, etc. Due to the frequent use of family bathroom, hardware is necessary to be able to withstand high temperature, high humidity and other "severe test". Now the bathroom hardware on the market is mainly pure copper, copper zinc alloy, stainless steel and alumina. In the meantime, the hardware of pure copper and copper zinc alloy are mostly chrome plated, while
2021-01-12 2252
1. Chemical treatment is mainly to use acidic or alkaline solution to react with oxide Bai and oil stain on the surface of the workpiece to dissolve them in acidic or alkaline solution, so as to remove rust, oxide scale and oil stain on the surface of the workpiece, and then use brush roller made of nylon or 304 stainless steel wire (steel wire brush roller made of acid and alkali resistant solution) to clean up and reach the desired result. 2. Mechanical treatment mainly includes wire brush rol