ST-300
Ni etchant (acid treatment before and after plating & painting)
ST-300 is developed to be used in acid treatment before painting and plating process of Alloy 40. ST-300 remarkably lowers excessive corrosion on equipment and harmful affection to human body.
[Features]
• Nearly no corrosion and irritation on the equipment and human body
• Provides clean surface with outstanding cleaning power
• No excessive corrosion and erosion occur on metal
• Does not generate HF gas and shows stable cleaning power
[ Properties and method ]
| Appearance | Light yellow transparent liquid | Concentration | 20~50% diluted in water |
|---|---|---|---|
| Odor | Unique odor | Temp. | Room temp. ~ 50 ℃ |
| pH(10%) | 2.0 ± 0.5 | Method | Dipping, dipping ultrasonic |
| S/G (g/ml) | 1.2 ± 0.02 | Packing | 20L (pail) / 200L (drum) |
※ Smut which is generated from dipping can be removed by dipping ultrasonic with D.I. water
