Polyacrylic Acid (PAA) for Water Treatment
CAS Number: 9003-01-4
Polyacrylic acid is a low-molecular-weight anionic polymer used as a scale inhibitor and dispersant in cooling water, boiler water, and industrial water systems. It prevents the formation and deposition of calcium carbonate, calcium sulfate, and other mineral scales on heat exchange surfaces. PAA is compatible with oxidizing biocides and other water treatment chemicals.
Technical Specifications
| density | 1.10–1.25 g/cm³ |
| appearance | Colorless to light yellow liquid |
| pH (as is) | 2–4 |
| solidContent | 30–50% |
| molecularWeight | 1000–5000 g/mol |
Applications
- Cooling water scale inhibition
- Boiler water scale and deposit control
- Industrial circulating water treatment
- Reverse osmosis antiscaling
- Dispersing iron oxide and silt deposits
Key Features
- Excellent threshold inhibition of calcium carbonate scale
- Good dispersion of iron and manganese deposits
- Stable under oxidizing biocide conditions
- Easily combined with phosphonate scale inhibitors
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CAS Number
9003-01-4
Category
Water Treatment ChemicalsAvailability
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