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Hydrolyzed Polymaleic Anhydride (HPMA)

CAS： 26099-09-2 Dequest P9000

H.S Code: 29171900

Specification

Items	Index
Appearance	Clear 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 In 250kg net Plastic Drum, IBC drum can also be used as required.Storage for one year in room shady and dry place.