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:
|
items |
index |
|
Appearance |
Clear to umber transparent liquid |
|
Solid content % |
48.0 |
|
Bromine value mg/g |
80.0 |
|
Average molecular weight |
450 |
|
pH(1% solution) |
2.0-3.0 |
|
Density (20℃)g/cm3 |
1.18 |
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
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