Catalyst for the phosphating filming process.• ...
Room-temperature dyeing agent with no foul odor, a ...
The surface of the steel surface produces a layer ...
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 ...
