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Polymaleic Acid (PMA)

Polymaleic Acid (PMA)

Country/Region china
Company Shandong Taihe Water Treatment Technologies Co., Ltd
Categories Polymaleic Acid
Update 2017-01-04 17:15:06
ICP License Issued by the Chinese Ministry
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Molecular WeightAbout 1000

Molecular Formula & Molecular Structure:


PMA is a solvent-based maleic acid hopolymer, with obvious threshold inhibition and crystal modification, and average molecular weight around 1000. It is the superior calcium carbonate inhibitor in high hardness, high alkalinity, and high temperature severe water conditions and a multifunctional formulation support agent in industrial water systems and other related applications.

PMA 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.


AppearanceAmber liquid
Solid content %48-52
pH (as it)2.0 max
Density (20, g/cm3 )1.16-1.22


PMA has better performance when combined with phosphonates than when phosphonates used alone. PMA is compatible with quaternary ammonium compounds, while not affected by chlorine or other oxidizing biocides under normal use conditions.

Package and Storage:

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

Safety Protection:

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

Product Tags:

corrosion inhibition by phosphonic acids


is carbonated water acidic


weak acids and weak bases

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