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Category: | Chemicals / Chemical Reagent |
Label: | Corrosion and scale , water treatment , The chelating agent |
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Last Online:09 Mar, 2015 |
Polyacrylic Acid
(PAA)
CAS No. 9003-01-4
Synonyms: Propenoic Acid Polymer, Acrylic Acid Polymer, 2-Propenoic Acid Homopolymer
Structural Formula:
Properties:
PAA is innoxious and soluble in water, it can be used in situations of alkaline and high concentration without scale sediment. It disperses 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.
Specification:
Items | Index |
Appearance | Amber transparent liquid |
Solid content % | 50 min |
Free monomer (CH2=CH-COOH) % | 1.0 max |
Density (20℃) g/cm3 | 1.2 min |
pH (1% solution) | 3.0-4.5 |
30%, 40% PAA are also supplied.
Usage:
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:
200L plastic drum, IBC(1000L),customers’ requirement.
Storage for one year in shady room and dry place.