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        Address: Zhongtai Industrial Park ,Xiwangzhuang Town, Shizhong District, Zaozhuang City, Shandong Province, P.R.C
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        Hydrolyzed Polymaleic Anhydride (HPMA)

          HPMA

        ‐CAS/ 26099-09-02                           Dequest P9000

        Structural Formula:


        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. HPMA has obvious threshold effect under high temperature (350) and high pH8.3level, 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.

        Specification:

        items

        index

        Appearance

        Pale yellow to umber transparent liquid

        Solid content %

        48.0 min

        Bromine value mg/g

        80.0 max

        Average molecular weight

        450 min

        pH (1% solution)

        2.0-3.0

        Density (20≧) g/cm3

        1.18 min

         

        Usage:

        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.

        Package and Storage:

        Normally 250kg net in drum, IBC, or as required.Storage for one year in shady room and dry places.

        Safety Protection:

        Acidity, Avoid contact with eye and skin, once contacted, flush with water.


        c毅3580  秘rg2014/12/31 ‐嬉咫緩/ ‐卦指
        CopyRight @2008-2009 ShanDong XinTai Water Treatment Technology Co., Ltd.
        Zhongtai Industrial Park ,Xiwangzhuang Town, Shizhong District, Zaozhuang City, Shandong Province, P.R.C Tel.0632-3461066 13606321973
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