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Product keywords:Zinc sulfateFerrous SulphateMagnesium SulphateKieserite Fertilizer Water Treatment SeriesCalcium hypochloriteZinc oxide
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Water Treatment SeriesTianjin Xinxin Biotechnology Research And Development Center
Product Name:Hydrolyzed Polymaleic Anhydride HPMA
Type: Water Treatment Series
Chinese Name:水解聚马来酸酐 HPMA


Polymaleic acid is low molecular weight polycarboxylic acid electrolyte which is high effective and organic scale inhibitor produced from water solvent. Good scale inhibition in the boiler thermonatrite medium (pH is 9~ 11.5) and the high temperature (300℃). It doesn’t evaporate with steam, not pollute the steam, good effective with organic phosphoric acid or organic sulfonic acid coordinate.


Appearance:Light yellow and transparent liquid

Solid content:≥48%

Density:1.18~ 1.22 (20℃ )

PH value:2~ 3 (1% water solution )

Average molecular weight :>300

Bromine value(mg/g):≤240

Dosage and usage:

Generally amount is 10ppm according to water quality and operating condition.

Package and storage:

Polyethylene plastic package, net weight is 30 kg/barrel. Big plastic package, net weight is200kg/barrel, storage period is one year in sealed package.


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