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LW-15 Film-formation Additive (Liquid)
Description:
    LW-15 is a kind of brownish liquid which is capable to form a bright yellowish film on the surface of aluminum and aluminum alloy. This film has excellent anti-corrosive resistance and adhesion with 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 16-35 g/L
PH 1.8-2.5
F- 0.3-0.6 g/L
Temperature 20-30
Time Depends on the depth of color
1、Adjust PH with nitric acid.
2、Add the LW-15 according to the analytical result of solution.
3、Avoid mixing with other solution.
4、Some insoluble substances like mechanical sundries and dust are unavoidable during production, so the solution should be cleaned regularly.
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.

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