Hydrolyzed Polymaleic Anhydride (HPMA)

  • CAS No.: 26099-09-2
  • Type.: Water Treatment
  • Appearance: Pale yellow to umber transparent liquid
  • Molecular Formula: --
  • Shelf Life: 12 Months
  • Min Order Quantity: As Requirement
  • Specification
  • Application
  • Packing&Shipping
  • Contact US
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 330℃. 

HPMA has obvious threshold effect under high temperature (350℃) and high pH(8.3)level, suitable to be used in alkaline water system or built with agents. 

Items Index
Appearance Pale yellow to umber transparent liquid
Solid content % 50.0 min
Bromine value mg/g 50.0 max
pH(1% water solution) 2.0-3.0
Density (20℃) g/cm3 1.22-1.25
HPMA is a kind of Water Treatment.  Richest Group is a Leading Chemical Supplier/Manufacturer of Water Treatment for 10 years.

We supply high quality Water Treatment (HEDP/Sodium Chlorite/TCCA/ATMP/PBTC/PAC/EDTMPA, etc) in best price. 

Find Quality Water Treatment HPMA from Verified Supplier.

HPMA Application:

HPMA has obvious threshold effect under high temperature (350℃) and high pH(8.3)level, suitable to be used in alkaline water system or built with agents. 

HPMA has good scale inhibition against carbonate and phosphate scales under temperature 300℃ with effective time as long as 100 hours. 

Due to its good scale inhibition and high temperature tolerance properties, HPMA 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, HPMA has good corrosion inhibition effect when used together with zinc salt. HPMA can also used as additives for cement.

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, HPMA can effectively inhibit carbon steel corrosion.

Package and Storage:

200L plastic drum, IBC(1000L), customers' requirement. storage for one year in shady room and dry place.

Acidity, Avoid contact with eye and skin, once contacted, flush with water.

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