... Scale Inhibitor no disadvantages ,such as strong metal corrosiveness, harmful to human body XYR-2Neutral Scale InhibitorThe XYR-2 Neutral Scale ... there are many disadvantages such as strong metal corrosiveness, harmful to human body. The XYR-2 Neutral Scale Inhibitor has ... above, which has lower corrosion on human body, non harmful to human body and excellent anti-scaling performance. In 1992, ...