Homopolymer of Maleic Acid (HPMA)
Properties:
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 330C. has obvious threshold effect under high temperature (350C) and high pH(8.3)level, suitable to be used in alkaline water system or built with agents. It has good scale inhibition against carbonate and phosphate scales under temperature 300C with effective time as long as 100 hours. Due to its good scale inhibition and high temperature tolerance properties, is widely used in desalination plant of flash vaporization equipment, low pressure boiler, steam locomotive, crude oil evaporation, petroleum pipeline, and industrial circulating cool water systems. In addition, has good corrosion inhibition effect when used together with zinc salt. can also used as additives for cement.
Usage:
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. has good scale inhibition (98%) and scale stripping properties. When used together with zinc salts, it can effectively inhibit carbon steel corrosion.
Specification:
items | index |
Appearance | Clear 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 (20C) g/cm3 | 1.18 min |
Package and Storage:
Net. 230~240kgs/drum
Net. 1200kgs/IBC