Conversion treatment process for Aluminum without Chromium
This conversion treatment process for Aluminum is not included Chromium, Fluorine, Manganese compound.
Characteristic
- It is not included Chromium, Fluorine, Manganese compound at all.
- Excellent adhesion with coatings.
Performance
Effects of Corrosion Resistance from Chemical Conversion Coating
Comparison of corrosion resistance (salt spray test - 48 hrs) Material: 5052
Comparison of corrosion resistance (salt spray test - 48 hrs) Material: 5052
Process
Material → Degreasing → Acid pickling → Conversion treatment → Post treatment → Dry
Working condition
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AL Cleaner
Density: 40g/L Temperature: 50℃/122°F (45℃-55℃, 110°F-130°F) Treatment: 5 min (3-10 min)
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AL Mate
Density: 200mL/L Temperature: Room temperature (20℃-30℃, 70°F-85°F) Treatment: 5 min (3-8 min)
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AL Conditioner
Density: 100mL/L Temperature: Room temperature (20℃-30℃, 70°F-85°F) Treatment: 1 min (30sec - 2 min)