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Polyacrylic Acid Sodium Salt(PAAS)


CAS No.  9003-04-7 

Structural Formula:

Polyacrylic Acid Sodium Salt (PAAS)

Properties:

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

Specification:

Items Index
Appearance Colorless to light yellow
 transparent liquid
Colorless to yellow transparent liquid White powder
Solid content % 30.0 min 40.0 min 45.0 min 50.0 min 90.0 min
pH(as it) 7.0 max 6.0~8.0 6.0~8.0 6.0~8.0 7.0~10.0
Density (20℃)g/cm3 1.15 min 1.20 min 1.25 min  -- --
Free monomer (as AA) % 0.50 max 0.50 max 0.50 max 0.50 max --

Usage:

PAAS 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, 2-15mg/L is preferred. When used as dispersant, the dosage should be determined by experiment.

Package and Storage:

Liquid: 200L plastic drum, IBC(1000L), customers' requirement.

Solid: 20kg/bag, customers' requirement.

Storage for ten months in shady room and dry place.

Synonyms:

PAAS; POLY(ACRYLATE SODIUM);Polyacrylic Acid Sodium Salt; Poly(acrylic acid sodium salt)