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Hydrolyzed Polymaleic Anhydride (HPMA)
Hydrolyzed Polymaleic Anhydride
CAS 26099-09-2
HPMA is usually used together with organic phosphonate at dosage of 1-15ppm for circulating cool water system, oilfield fill water, crude oil dewatering and low-pressure boilers. HPMA has good scale inhibition (98%) and scale stripping properties. When used together with zinc salts, it can effectively inhibit carbon steel corrosion.
HPMA is a low molecular weight polymeride, with average molecular weight 400-800. No toxicity, soluble in water, high chemical and thermal stability, decomposed temperature above 330℃. HPMA has obvious threshold effect under high temperature (350℃) and high pH(8.3)level, suitable to be used in alkaline water system or built with agents. It has good scale inhibition against carbonate and phosphate scales under temperature 300℃ with effective time as long as 100 hours. Due to its good scale inhibition and high temperature tolerance properties, HPMA is widely used in desalination plant of flash vaporization equipment, low pressure boiler, steam locomotive, crude oil evaporation, petroleum pipeline, and industrial circulating cool water systems. In addition, HPMA has good corrosion inhibition effect when used together with zinc salt. HPMA can also used as additives for cement.
제품관련분야 농약,비료, 폐기물,수처리제
Taihe (Shandong) Water Treatment Company Limited
전화번호 86-632-5112055
팩스번호 86-632-5112055
홈페이지 http://www.thwater.net
이메일 rita@thwater.com
주소 Hongcun,Xiwangzhuang Town,Shizhong District,Zaozhuang City,Shandong Province,China
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