Oxalic acid is a colorless transparent crystal. It ...
It removes grease, rust , and black skin on the me ...
It removes grease, rust, and black skin on the met ...
Blacken the products through chemical reactions. ...
It helps the phosphate form faster on metal surfac ...
A layer of zinc phosphate coating is generated on ...
• Single agent use.• Fine and smooth layer to in ...
Make the surface of the processed product shiny wi ...
It helps lubricate during the process of steel dra ...
