Customization: | Available |
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Certification: | CE, ISO |
Condition: | New |
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NO | Item | Time(M) | Temperature | Remark |
1 | Pre-wash | 10 | Room temp.or 50°C | Tap Water or pure water |
2 | Alkali solution | 10-30 | 60-80°C | 2-4%NaOH solution |
3 | Hot water | 10-20 | 60-80°C | Tap water or pure water |
4 | Acid solution | 10-30 | 60-80°C | 2% HNO3 solution |
5 | Final wash | 15 | 60-80°C | Pure water |