Copper passivating agent

Learn about other passivating agents for chromium-free passivating agents

Copper passivating agent

Process features:

Water - soluble process, safe and environmentally friendly;

Process operation is simple. Only need to thoroughly clean the workpiece immersed in the working fluid, you can form an effective protective film on the surface of the workpiece;

This film almost does not affect the copper layer of welding performance and contact resistance, suitable for electronic components and circuit board copper layer protection;

The protective layer of ammonia or cyanide erosion, no protective effect;

The protective film can be subjected to a temperature of 150 ° C to 200 ° C for 0.5 to 1 hour, and the protective properties are not lowered;

Processing area, each can handle at least 15-20 square meters, the actual maximum has reached 35 square meters / liter

The acetic acid system is more stable and corrosive than other formic acid-containing systems.

This product environmental indicators: in line with the EU ROHS environmental standards