Functions and Uses：
1. DU-22 can be the replacement of the alkaline degreasing agent and accepts the long-term impregnation but no risk to attack the substrate.
2. No need to heat-up, DU-22 can work in room temperature. Simple application and easy management.
3. Degreasing result can last long. With the long renewal cycle, DU-22 is a highly cost-effective product.
4. The waste water treatment is simple and which only needs the neutral processing.
Sulfuric acid 100~500g/L
Temperature 20~40 ℃