Hydrolyzed Polymaleic Anhydride(HPMA)
1.Product name:Hydrolyzed Polymaleic Anhydride(HPMA)
2.Molecular weight: 250.27
Molecular Formula: C12H10O4S
3.CAS NO:26099-09-02
EC NO.:201-250-5
4.Specification:
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items
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index
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Appearance
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Clear to umber transparent liquid
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Solid content %
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48.0
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Bromine value mg/g
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80.0
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Average molecular weight
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450
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pH(1% solution)
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2.0-3.0
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Density (20℃)g/cm3
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1.18
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5.Using method:
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.
6.Package and Storage:
Normally In 25kG/ Drum, or packing as customers’ required. Storage for ten month in room shady and dry place
Chemicals
