SR-893D
Smut Remover for Aluminum Diecasting process
SR-893D removes smut after Al etching process, and it can substitute HNO3 and HF. SR-893D also removes various carbides, scale, etc. and improves working condition by generating only small quantity of gas.
[Features]
• Minimizes NOx gas which is harmful to environment and human body
• Easy to treat wastewater
• Minimizes faults around the holes
• Provides good adhesion for post treatment such as plating, painting, filming, etc.
• SR-893D can be handled in room temperature
[ Properties and method ]
Concentration | Original/undiluted | Method | Dipping |
---|---|---|---|
Temp. | Room temp. (20 ~ 25℃) | Packing | 20kg (pail) / 200kg (drum) |
pH | 1.5 ± 0.5 | Application | Al desmutting, scale removal |
[ How to use ]
- 1. Treatment process
Degreasing (DAC-2060) → washing → etching (DAC-109DZ) → washing → desmutting (SR-893D) → washing → chrome filming (CAL-30) → washing → dry - 2. How to maintain product quality
Check acidity frequently and add adequate amount of original solution when acidity is decreased during use. - 3. Equipment
Use acid resistant material such as PE, PP, teflon, etc.
[ Etching smartphone frame ]
Before | After |
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[ Al scale removal ]
Before | After |
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