- 包装:
- 桶装
- 规格:
- 25kg/桶
The PRD trivalent chromium aluminum coating agent complies with the EU and directive regulations and meets environmental protection requirements.
Used in the production of trivalent chromium passivation of aluminum materials, including pure aluminum, aluminum alloys and aluminum die castings
Strong corrosion resistance, performance better than hexavalent chromium passivation process, neutral Salt spray can last for more than 3 hours
After passivation, a transparent, light-colored coating is formed. The specific color is determined by the purity of the aluminum material
The coating has good temperature resistance and can be used at high temperatures without Reduce its corrosion resistance
High concentration of coating agent and low consumption
Can be used for pre-treatment of aluminum spray painting, powder spraying and gluing
In dipping, spraying and manual wiping processes All are easy to operate.
.Aluminum coating agent composition and operating conditions:
Aluminum coating composition and process conditions
Spraying
Impregnation
Pearl River Delta trivalent chromium aluminum coating agent
ml/L
ml/L
Temperature
-℃
-℃
Value
Time
- Minutes
- Minutes
3. Plating solution preparation method:
Inject half of the water into the passivation tank,
Add the calculated amount of trivalent Chromium aluminum coating agent,
Add water to the working liquid level and stir evenly.
.Equipment requirements
Plating tank: Plastic tank or stainless steel tank lined with acid-resistant and fluorine-resistant lining
Circulation filtration: The filter pump can filter the plating solution at least twice an hour
.Consumption of aluminum coating agent:
Most of the consumption is carry-out loss. For every square meter of product processed (including carry-out), - ml of concentrated solution needs to be added.
.Common process flow:
Oil removal, alkaline weak corrosion, acid removal, ash removal, passivation, drying and aging