2021-10-15 2582
Working principle of dewaxing water We should first understand the composition of wax scale on the surface of the workpiece. Wax scale is mainly composed of paraffin, fatty acid, rosin soap, metal
2021-09-01 2447
Electroplating additives include inorganic additives (such as cadmium salt for copper plating) and organic additives (such as coumarin for nickel plating). Most of the electroplating additives used i
2021-08-18 2904
The chromium plating layer, especially the gun barrel chromium plating layer, has strict requirements for thickness uniformity. Because of the poor dispersion ability of chromium plating solution, fo
2021-08-09 1838
Electroplating additives include inorganic additives (such as cadmium salt for copper plating) and organic additives (such as coumarin for nickel plating). Most of the electroplating additives used i
2022-04-26 1219
Dangdang! It must be the wax remover on the metal surface. It is very convenient to use. It only needs to prepare the bath liquid with pure water according to the process proportion, then immerse t
2021-10-16 1673
Cyanide free copper plating is an environmental protection processing method, which can replace the traditional cyanide copper plating process and bright copper plating process. It is applicable to a
2020-12-16 2293
Cyanide free copper plating is an environmentally friendly processing method, which can completely replace the traditional cyanide copper plating process and bright copper plating process. It is appl
2020-11-18 2151
Sf-628 cyanide free alkaline copper plating has excellent dispersion ability and deep plating ability. It can easily perform pre plating and thickening plating on various substrates. The coating is
2020-11-06 2251
Dewaxing environmental cleaning agent is mainly composed of surfactant, auxiliary, corrosion inhibitor, cosolvent and other components. In normal temperature, heating, ultrasonic, immersion and other
2018-01-29 2244
1. There are many production methods of aminosulfonic acid, including hydroxylamine method with sulfur dioxide and hydroxylamine or acetone oxime as raw materials, ammoniation method with sulfite or s