无码日韩精品一区二区免费暖暖_日韩人妻无码精品久久_狂躁美女大bbbbbb视频u_亚洲精品一区二区三区在线观看_自拍偷自拍亚洲精品播放

Characteristic：

Light green powder, soluble in acid, insoluble in water.

Application：

It is mainly used for cyanide-free alkaline copper plating, electroplating of cavities of communication products and plastic pre-plating. It is also used as the chemical additive for modified plastics in LDS production process.

Advantage introduction：

Advanced production process and strict control over the production process, contributing to stable product quality;

High purity, low content of impurities, with special crystal structure, more likely to be complexed by potassium pyrophosphate;

Uniform coating, dense crystal and low porosity;

Stable plating solution, strong anti-interference ability and easy maintenance.

Technical indicators：