| This product is a white powdery solid, capable to make an even, refine sandy-like surface on the aluminum profile and characterized by its fast speed and minimum aluminum consumption. |
| 1. Bath Composition (For make-up): |
| |
JH-C1
Ammonium hydrogen fluoride
Water
|
15-20g/L
60g/L
balance |
| 2. Processing Parameters: |
| |
F-
Temperature
Time
pH value |
35-45g/L
30-50℃
2-8min
4-5 |
| 3. Bath Maintenance: |
| |
(1) Analyze bath liquid each shift and make compensation of ammonium hydrogen fluoride and JH-C1 by the ratio of 8:1.
(2) During the production process, precipitate of aluminum fluoride may occur,bath liquid should be filtered regularly.
(3) The pH value is adjusted with hydro chloric acid.
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