... 800. No toxicity, soluble in water, high chemical and thermal stability, decomposed temperature above 330°C. HPMA has ... equipment, low pressure boiler, steam locomotive, crude oil evaporation, petroleum pipeline, and industrial circulating cool water systems. In addition, ... circulating cool water system, oilfield fill water, crude oil dewatering and low-pressure boilers. HPMA has good scale inhibition ...