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(HPMA) Hydrolyzed Polymaleic Anhydride
(NITRILOTRIS(METHYLENE))TRIPHOSPHONIC ACID
Polymaleic Anhydride
26099-09-2
HPMA shows good scale inhibition (98%) and scale stripping properties. When used together with organic phosphonate in circulating cool water system, oilfield fill water, crude oil dewatering and low-pressure boilers, the dosage of 1-15ppm is preferred. When used together with zinc salts, it can effectively inhibit carbon steel corrosion.
Appearance:Clear to umber transparent liquid
Solid content %:48.0 min
CAS No. 26099-09-2
Bromine value mg/g
80.0 max
Average molecular weight:450 min
pH(1% solution):2.0-3.0
Density (20¡É)g/cm3
1.18 min
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Famous (Shandong) Chemical Co., Ltd
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