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Polyacrylic Acid (PAA)

Polyacrylic Acid (PAA) introduction

Polycarboxylic antiscale and dispersant...

Polyacrylic Acid (PAA)

【CAS】 9003-01-4

Structural Formula:

Polyacrylic Acid (PAA)


Polyacrylic Acid (PAA) is innoxious and soluble in water, it can be used in situations of alkaline and high concentration without scale sediment. Polyacrylic Acid (PAA) can disperse the microcrystals or microsand of calcium carbonate, calcium phosphate and calcium sulfate. Polyacrylic Acid (PAA) is used as scale inhibitor and dispersant for circulating cool water system, papermaking, weave, dyeing, ceramic, painting, etc.


items index
Appearance Colorless or light yellow transparent liquid
Solid content % 62.0-64.0
Free monomer (as AA) % 1.0 max
Density (20℃)g/cm 3 1.20 min
pH(as it) 2.0-3.0
Viscosity (at 25°C) mPa•s 1000-2000
Average Molecular weight 2000-3000


Polyacrylic Acid (PAA) can be used as scale inhibitor and dispersant in circulating cool water systems in power plants, iron & steel factories, chemical fertilizer plants, refineries and air conditioning systems. Dosage should be in accordance with water quality and equipment materials. When used alone, 1-15mg/L is preferred.

Package and Storage:

Normally In 200kg net Plastic Drum, IBC drum can also be used as required. Storage for one year in room shady and dry place.