Copper passivation and anti-discoloration agent
★Use and characteristics
Copper passivation and anti- discoloration agent, add a small amount of water in the water, then soaking the copper layer (chemical plating or electroplating copper), it can prevent the oxidation and discoloration of copper surface. It can be used as the final finishing of the copper surface. The agent does not contain chromium six, formulation of environmental protection, low cost, convenient operation, welcomed by users, has begun distribution in Southeast Asia.
★Solution composition and operating conditions
Operating conditions:
1.No cleaning process
Copper passivation and anti- discoloration agent 10-25ml/L
2. It need long time storage 100-150ml/L Pure water surplus
Temperature: room temperature --50--50℃
PH value: 6-7.5
Soak time: 30-90 seconds
3.Product catalog: Copper passivation and anti- discoloration agent