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Metallurgy,Chemicals & Energy > Surface Treatment Chemicals
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Business Type: Manufacturer
Main Products:Electronic electroplatingAluminum anodizingElectroplating/Metal finishingChemicalElectroplating / pharmaceutical intermediatesPlating equipmentImport and export agent servicesSynthesisDyeing and printingTextile
ID:22060677662
Category: Metallurgy,Chemicals & Energy Surface Treatment Chemicals
MOQ:25.00 KG
Multicolor PassivatorTrivalent Chrome PassivatorZinc Plating Passivator
L/CT/T
1. Specific Properties
1. Trivalent chrome passivation process without hexavalent and oxidizer, got SGS international certification.
2. Apply to zinc and zinc alloy trivalent chrome multicolor passivation process, excellent anticorrosive property.
3. Exceed the requirements of hexavalent multicolor passivation according to DIN 50 021 SS.
4. Produce coatings of a clear, green, nearly like rainbow color.
5. The passivation layer can also be dyed with organic colorings.
6. Reduce the cost of disposing waste water due to trivalent solution, satisfy the environmental requirements for prohibiting hexavalent chrome passivator layer.
7. Long service life, even with feed-back of rinse-water.
8. Comply with American standard GME00252 and GMW-3011.
2. Process Flow
Plate zinc → Wash → Immerse Nitric Acid (0.5%) → Wash → Immerse TR-138→ Wash with cool water → Wash with hot deionized water → Dry
3. Operation and Application Indication
Preparation | Range of operation | Best operation |
TR-138 concentrate solution | 100-150ml/L | 125ml/L |
Wash | Deionized water | |
Immersion time | 30-90 sec. | 60 sec. |
Temp. | 10-40℃ | 25℃ |
PH | 1.6-2.4 | 2.0 |
Business Type:Manufacturer
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