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polyacrylic acid paa
PAA is innoxious and soluble in water, it can be used in situations of alkaline and high concentration without scale sediment. PAA can disperse the microcrystals or microsand of calcium carbonate, calcium phosphate and calcium sulfate. PAA is used as scale inhibitor and dispersant for circulating cool water system, papermaking, weave, dyeing, ceramic, painting, etc.
Appearance Colorless or light yellow transparent liquid
Solid content % >= 30.0
Free monomer (CH2=CH-COOH) %<= 0.50
Density (200) g/cm3 >= 1.09
pH(1% solution) <= 3.0
Limiting viscosity(300) dl/g 0.06-0.10
Note: 40%,50% Polyacrylic Acid (PAA) can be supplied on demands.
Application range&Using method:
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 25kg net Plastic Drum. Storage for one year in room shady and dry place.
Safety and Protection:
To eye and skin have hormesis, but no acute toxicity.