Hydrolyzed Polymaleic Anhydride (HPMA) is a low molecular weight polymeride, with an average molecular weight of 400-800. No toxicity, soluble in water, high chemical and thermal stability, decomposed temperature above 330℃.
edta zinc chelation has extensive range of application. It is representative substance of chelationg agent. It is widely applied in high polymer chemistry industry, daily chemical industry, papermaking industry, medical industry, agriculture industry, textile dyeing industry, photography chemical, oil field chemical, water treatment, boiler compound and analytical reagent industry.