Hydrolyzed Polymaleic Anhydride(solvent based) (HPMA)

Properties: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℃. HPMAhas 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.



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Hydrolyzed Polymaleic Anhydride(solvent based) (HPMA)
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