Polyacrylic Acid Sodium (PAAS)
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Properties of PAAS:
PAAS is innoxious and soluble in water, PAAS 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 of PAAS:
Appearance Colorless or light yellow transparent liquid
Solid content % 30 min
Free monomer (CH2=CH-COOH) % 0.5 max
Density (20 C) g/cm3 1.15 min
pH(1% solution) 6.0~8.0
Notes: Solid content 40%, 45% and 50% are also available
Usage of PAAS:
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 of PAAS:
25kg or 200kg in plastic barrel. Storage for ten months in room shady and dry place.