Polyacrylic Acid Sodium (PAAS) CAS No. 9003-04-7
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 or light yellow transparent liquid
Solid content % 30 min
Free monomer (CH2=CH-COOH) % 0.5 max
Density (20℃)g/cm3 1.15 min
pH(1% solution) 6.0~8.0
Notes: Solid content 40%, 45% and 50% are also available
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.
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