1.It does not contain heavy metals such as Cr⁶⁺, meeting environmental protection requirements and complying with the ROHS directive. 

2.The agent has strong stability and is easy to operate and manage. 

3.The agent has a high concentration. It requires a low ratio when preparing the tank solution and has a small addition amount, resulting in low usage costs. 

4.It has a short processing time, leading to high production efficiency. 

5.It is compatible with most existing equipment, reducing the investment in equipment transformation.