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Vchemland Group Inc
 
 
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Hydrolyzed Polymaleic Anhydride (HPMA) 

  产品分类 : 化學->化學原料->聚丙烯酰胺

     
Hydrolyzed Polymaleic Anhydride (HPMA)
         

  产品规格
 
Model No:    26099-09-2
  Country  CN
  Packing  Normally In 250kg net Plastic Drum, IBC drum can also be used as required.
  Minimum Order  1MT
  Payment Term  Tt

 

  产品描述
   
  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 330oC. HPMA has obvious threshold effect under high temperature (350oC) 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 300oC 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.

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 (20oC)g/cm3 1.18 min

   


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