Polycarboxylic Antiscalant
Hydrolyzed Polymaleic Anhydride (HPMA)
CAS: 26099-09-02
【CAS】 2
Structural Formula: 

Properties:
HPMA is a low molecular weight polymeride, with average molecular weight 400-800. No toxicity, soluble in water, high chemical and thermal stability, decomposed temperature above 
Specification:
| items | index | 
| Appearance | Pale yellow 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 ( | 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 
Safety Protection:
Acidity, Avoid contact with eye and skin, once contacted, flush with water.
Update: 2014/12/31 10:49:39 Views:4438

 
