Essential details
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Product Introduction
Polyvinyl alcohol is polyvinyl acetate formed by the polymerization of vinyl acetate, and then polyvinyl acetate is saponified under the action of different bases to obtain polyvinyl alcohol with different alcoholysis degrees. Cold soluble polyvinyl alcohol powder is a kind of water soluble and environmentally friendly white solid powder made from partially alcoholized polyvinyl alcohol by deep cold grinding.
| Specification | 24-88 | 17-88 |
| Degree of polymerization (DP) | 400-2500 | 1650-1850 |
| Molecular weight (MN) | 118000-124000 | 72600-81400 |
| Viscosity (MPAS) | 144-50 | 20-26 |
| Alcoholysis (MOLE%) | 186-90 | 86-90 |
| Volatile Content (WT%) | <5 | <7 |
| Ash content (WT%) | <0.5 | <1.0 |
| PH value | 5-7 | 5-7 |
| Fineness (mesh) | Fineness (mesh) | 120/160 目 |
