COPPER GUARD SP:Chromium compound Free Antitarnish agent for Cu and Cu alloy
COPPER GUARD SP is antitarnish agent that does not include chromium compound for Cu, Cu alloy, brass plating. The process is only dipping into solution, so it is excellent workability of processing.
Characteristic
- Does not contain any chromium compounds
- Not PRTR applicable
- Treatment process is simple due to the dipping treatment, making it easy to work with
Performance
The Effects of Chromic Acid and Similar Corrosion Resistance
12 hours by SST ( same antirust effect with chromic acid treatment)
12 hours by SST ( same antirust effect with chromic acid treatment)
Process
- For plating：Plating → Washing → Washing → COPPER GUARD SP → Washing → Drying
- For material：Degreasing → Washing → Washing → COPPER GUARD SP → Washing → Drying
Working condition
- Operate between 10 ~ 20%
- Dilution by water
- Operate in room temperature
- Dipping for 0.5 ~ 3 minute