cationic
CPAM High Charge Density
High charge density cationic polyacrylamide is our best-selling product for sludge dewatering. With 25-70% cationicity and 12-20 million MW, it neutralizes negatively charged sludge particles effectively, producing dry, compact filter cakes on belt presses and centrifuges.
Specifications
| Type | Cationic |
| Molecular Weight | 12–20 million Da |
| Charge Density | 25-70% |
| Solid Content | ≥90% |
| Dissolving Time | ≤90 min |
| Residual Monomer | ≤0.05% |
| Appearance | White granular powder |
| Packaging | 25 kg PP woven bags + Kraft paper |
Key Features
- Superior sludge dewatering — cake moisture <80%
- Low dosage: 2–5 kg per ton dry solids
- Rapid dissolution in 60 minutes
- Stable in pH 6–9
Applications
- Municipal sludge dewatering (belt press, centrifuge)
- Industrial sludge treatment
- Sewage treatment plants
- Food processing waste
