Pre Cleaners for Zinc Die Casting
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Technical characteristics
- Brandprecious electrochem
- Country of manufactureIndia
Description
RICHROME BLUE -DIP- | Concentration | 4-5 g/l | Bulish passivation on zinc plating |
-BL - 115 | Nitric Acid (tech.) | 15-18 ml/l | for better corrosion resistance. |
Time | 5-15 sec. | ||
MILITRY GREEN DIP | Concentration | 50-100 ml/l | dark military green colour protect- |
Time | 20-30 sec. | -ive coating on zinc plated articles. | |
YELLOW DIP | Concentration | 20-30 ml/l | Gives yellow irridiscent chromate |
Temperature | Room | layer. | |
Time | 20-30 sec. | ||
TRIVALENT PASSIVATIONS | Concentration | 20-30 ml/l | Gives a light - blue trivalent |
TC-461 | Temperature | 25-3.5 ° C | chromate passivation with S.S.T |
pH | 1.4-1.8 | of more than 72 hrs. | |
Time | 25-30 sec. |
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Pre Cleaners for Zinc Die Casting
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