JW-815 Trivalent Chromium Color Passivation Agent
W—815 trivalent chromium blue-white passivation agent is free of hexavalent chromium and oxidizing agents.
Category:
Detailed description:
01
JW-815 trivalent chromium blue-white passivation agent is free of hexavalent chromium and oxidizing agents.
02
The coating exhibits vibrant coloration and excellent adhesion, with a salt spray resistance of 72 to 96 hours or more.
03
Simple operation; can be performed at room temperature.
Process and Operating Procedures
Cleaning, brightening, water rinsing, passivation, rinsing, and air drying
Activation
| 67.5% nitric acid | 5-10ml/L | ||||
| Temperature | Room temperature | ||||
| Time | 5–20 seconds |
Trivalent blue passivation
| JW—815 | 80–100 ml/L |
| pH value | 1.7-2.8 |
| Temperature | 25~45℃ |
| Time | 20–60 seconds |
Keywords:
JW-815 Trivalent Chromium Color Passivation Agent
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