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Hydrolyzed Polymaleic Anhydride HPMA

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Hydrolyzed Polymaleic Anhydride HPMA

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Hydrolyzed Polymaleic Anhydride HPMA

Hydrolyzed Polymaleic Anhydride (HPMA) CAS No. 26099-09-2 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...

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  • Product Details
  • Hydrolyzed Polymaleic Anhydride (HPMA)

    CAS No. 26099-09-2
    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 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.

    Specification

    Items

    Index

    Appearance

    Pale yellow to umber transparent liquid

    Solid content %

    48.0min

    Bromine value mg/g

    80.0max

    Average molecular weight

    450min

    Density (20℃)g/cm3

    1.18min

    pH(1%water solution)

    2.0-3.0

    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
    200L plastic drum,IBC(1000L),customers’ requirement. storage for one year in shady room and dry place.

    Safety protection
    Acidity, avoid contact with eye and skin, once contacted, flush with water.

    Keywords:
    HPMA;Hydrolyzed Polymaleic Anhydride;poly(maleicacid);MALEIC ACID POLYMER;maleic acid homopolymer

    IroTaihe, one of leading chemical production manufacturers, is specialized in the production of hydrolyzed polymaleic anhydride hpma. As one of the famous brands, we welcome you to get the free sample with us.

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