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HAIHUA LW-15 Film-formation Additive (Liquid)
Product Introduction

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:
NameQuantityUnit
LW-1520g/L
should apply special additive for new bath make-up
WaterBalance
Operating Conditions:
NameQuantityUnit
LW-1520-50g/L
PH

1.9-2.4

F-

0.25-0.5

g/L
Temperature20-30
TimeDepends on the depth of color
Solution Maintenance:
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.