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PAE is a new kind of water treatment chemicals. It has good scale and corrosion inhibition ability.
  • PAE
  • ThFine
  • Polyhydric Alcohol Phosphate Ester 

Polyhydric Alcohol Phosphate Ester (PAE)

       Structural Formula:



PAE is a new kind of water treatment chemicals. It has good scale and corrosion inhibition ability. Because more than one ployethylene glycol group are introduced into the molecular, not only the corrosion inhibition performance is improved, but also the scale inhibition of calcium scale and the dispersing ability of sludge are improved.

PAE has good inhibition effect for barium and strontium scales which other existing scale inhibitor cannot control, and also has excellent scale inhibition for calcium carbonate and calcium sulfate in water, providing athodic protection of steel. 


PAE can mix well with polycarboxylate, organic phosphonate, inorganic phosphate, zinc salt and other water stabilizers.

PAE can be used as scale inhibitor for oilfield water injection system and industrial cooling water system.





Colorless to yellow transparent liquid

Solid content %

50.0 min

Total phosphoric acid(as PO43-)%

30.0 min

Organophosphonic acid(as PO43-)%

15.0 min

pH (1% water solution)



When used as scale inhibitor, less than 15mg/L is preferred, when used in closed circulating system, 150mg/L can be expected.

Package and Storage:

Normally in 200L HDPE drum, 1000L IBC, or customers’ requirement.

Storage for ten months in shady room and dry place.


Safety Protection:

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


PAPE; PAEPolyol Phosphate EsterPolyhydric Alcohol Phosphate Ester;

Phosphonates Antiscalants, Corrosion Inhibitors and Chelating Agents

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