Polyacrylic Acid (PAA)

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Cas No.: 9003-01-4
Molecular formula: [C3H4O2]n
Structural Formula:

Other name: Polyacrylic Acid; PAA; acrylicacidresin; Acrylicresin; polyacrylateelastomers; acrysola; acrylicacid polymers;

1.Performance and usage
PAA has good chelating ability in water treatment. Can be used in boiler water treatment as chelating agent, dye, textile industry as dispersant, personal care products, detergent and so on. 

2.Technical indicators

Items	Index
Appearance	Colorless to light yellow transparent liquid	Colorless to light yellow transparent liquid	Colorless to light yellow transparent liquid
Solid content, %	≥ 30.0	≥ 50.0	62.0-64.0
Free monomer (as AA), %	≤ 0.50	≤ 0.50	≤1.0
Density (20℃), g/cm3	≥ 1.09	≥ 1.20	≥ 1.20
pH(1% water solution)	2.5-4.5	2.5-4.5	2.0-3.0
Viscosity (at 25°C) mPa•s	--	--	1000-2000
Average Molecular weight	--	--	2000-3000

3.Using method:
PAA (polyacrylic acid) is often used in formulas with other water treatment agents. The specific formula and dosage are determined by experiments based on on-site water quality and equipment material conditions. If used alone, the general concentration is 1-15mg/L; when used in other industries such as concrete water-reducing agent, printing and dyeing, the dosage should be determined based on tests.

3.Package and Storage:
200L plastic drum or IBC(1000L); 
Store in a cool and ventilated place indoors, storage period is 1 year.

4. Safety protection
PAA is week acidic, pay attention to labor protection during operation. Avoid contact with skin, eyes, etc. After contact, rinse with plenty of water.