Polyacrylamide, or PAM nonionic polymer flocculant for short, has a molecular weight of 1.5 million to 20 million and a commercial concentration of 8%. Organic macromolecule flocculants can form larger flocs between particles, resulting in huge surface adsorption.
| item | nonionic polyacrylamide |
| Molecular weight | 12 million |
| Application | inorganic and organic sewage |
| Solid Content | ≥95% |
| Degree of hydrolysis | 20-30 |
| residual monomer | <=0.2% |
| Insoluble | <=0.5% |
Polyacrylamide is a white powder or small granule with a density of 1.32g/cm3 (23 degrees), a glass transition temperature of 188 degrees, and a softening temperature of nearly 210 degrees. Generally, it contains a small amount of water when it is dried. When it is dried, it will quickly absorb water from the environment. The homopolymer separated by freeze-drying method is a soft, white amorphous solid.
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