Poly(maleic acid)（HPMA）
Hydrolyzed Polymaleic Anhydride (HPMA)
CAS No.:26099-09-02
Quality Indicators confirm to GB /T 10535-1997
| Item | Indicators |
| Appearance | Light yellow to brownish red transparent liquid |
| Solid content ％ ≥ | 48.0 |
| Bromine value mg/g ≤ | 80.0 |
| Average molecular weight ≥ | 450 |
| pH(1%water solvent) | 2.0-3.0 |
| Density(20℃)g/cm3 ≥ | 1.18 |
Usage
HPMA is usually 1 to 15ppm with organic phosphonate compound, used for circulating cooling water, oilfield water injection, crude oil dewatering and low pressure boiler furnace treatment, has a good inhibition scale generation and stripped of the role of old dirt, the inhibition rate mayup to 98%. HPMA and zinc salts, can effectively prevent the corrosion of carbon steel.
Safety and Protection
HPMA for Acidity, Avoid contact with skin, eyes, etc., apply plenty of water after contact.
Packing and storage
HPMA packed in plastic drum, the per drum25kg or determined by the user. Storage period of 10 months.
