LW-15 Film-formation Additive (Liquid)
Product Introduction
LW-15 is a kind of brownish liquid which can form a bright yellowish film on the surface of aluminum and aluminum alloy. This film has excellent corrosion resistance and good adhesion with coating and plastic coating.
| Bath Make-up： |
| Name |
Quantity |
Unit |
| LW-15 |
20 |
g/L |
| should apply special additive for new bath make-up |
| Water |
Balance |
|
| Operating Conditions： |
| Name |
Quantity |
Unit |
| LW-15 |
15-40 |
g/L |
| PH |
1.9-2.4
|
|
| F- |
0.25-0.7
|
g/L |
| Temperature |
20-30 |
℃ |
| Time |
Depends on the depth of color |
|
| Solution Maintenance： |
| 1、Adjust PH with nitric acid. |
| 2、Replenish the LW-15 according to the analytical result of solution. |
| 3、Avoid mixing with other solution. |
| 4、It is inevitable to bring in some insoluble substances such as mechanical debris and dust in the production process, so the bath solution should be filtered and cleaned up in time. |
| Packaging and Storage： |
| Package: Plastic barrel (25kg/barrel) |
| Storage: Suggested to store in cool, dry and well ventilated place; away from fire and heat source |
