
CPAM High Charge Density
High charge density cationic polyacrylamide is our best-selling product for sludge dewatering. With 40-60% cationicity and 8-12 million MW, it neutralizes negatively charged sludge particles effectively, producing dry, compact filter cakes on belt presses and centrifuges.
Specifications
| Type | Cationic |
| Molecular Weight | 8-12 million |
| Charge Density | 40-60% |
| Solid Content | ≥90% |
| Dissolving Time | ≤40 min |
| Residual Monomer | ≤0.05% |
| Appearance | White granular powder |
| Packaging | 25 kg PP woven bags |
Key Features
- Superior sludge dewatering — cake moisture <80%
- Fast charge neutralization
- Works with belt press, centrifuge, plate-frame filter
- Low dosage — 2-5 kg per ton dry solids
- Rapid dissolution in 30 minutes
- Stable in pH 1-14
Applications
- Municipal sludge dewatering
- Industrial sludge treatment
- Sewage treatment plants
- Food processing waste
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