Hydrolyzed Polymaleic Anhydride, HPMA
Basic Info
Model No.: HPMA
Product Description
Model NO.: HPMA
Certification: SGS
Color: Pale Yellow to Umber Transparent Liquid
Type: Industrial Circulating Water Treatment Agent
Usage 2: Together with Zinc Salts
Trademark: jinhong
Origin: China
Acid-Base Property: Alkaline Surface Disposal Agent
Environmental Protection: Yes
Appearance: Liquid
Usage 1: Circulating Cool Water System
Usage 3: Inhibit Carbon Steel Corrosion
Specification: 48%
Hydrolyzed Polymaleic Anhydride
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 330ºC. HPMA has obvious threshold effect under high temperature (350ºC) 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 300ºC 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.
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