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Polyacrylic Acid Sodium (PAAS)
CAS No. 9003-04-7
Structural Formula:
Properties of PAAS:
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 of PAAS:
| items | index |
| Appearance | Colorless or light yellow transparent liquid |
| Solid content % | 50 min |
| Free monomer (CH2=CH-COOH) % | 1.0 max |
| Density (20)g/cm3 | 1.20min |
| pH(as it) | 6.0~8.0 |
40%, 45% are supplied too..
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.
/03-PAAS.htm
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