Shuangxin PVA Polyvinyl Alcohol
ANHUI LIWEI CHEMICAL CO.,LIMITED
[Introduction]
PVA , categorized as a polyvinyl alcohol (PVA), is produced through an alcoholysis reaction and subsequent polymerization of vinyl acetate. This material manifests as a white, powdery substance, characterized by stability and non-toxicity, and it exhibits remarkable water solubility. When introduced to water at room temperature, it readily dissolves to create a stable colloid.
Specifications
| Item | Index | ||||||
| Alcoholysis/ (Mol)% | 85.0～87.0 | ||||||
| Viscosity/ (mPa.s) | 3.4～4.2 | ||||||
| Volatile content/% ≤ | 5 | ||||||
| Ash content/% ≤ | 0.4 | ||||||
| PH | 5～7 | ||||||
| Purity/% ≥ | 93.5 | ||||||
| Table 1 Fully hyodrolyzed PVA | |||||||
| Type | New Type | Hydrolysis (mo/mol,%) | Viscosity (mPa's) | Volatile (%≤) | Purity (%≥) | Ash (%≤) | pH (Value) |
| SHUANGXIN05-99 | 098-05 | 98. 20-100.000 | 5.0-6.5 | 4.5 | 94.0 | 0.7 | 5~7 |
| SHUANGXIN10-99 | / | 98.00-99.80 | 8.0-12.0 | 3.5 | 94.0 | 0.7 | 5~7 |
| SHUANGXIN17-99 | 100-27 | 99.00-100 | 22.0-32.0 | 4.5 | 94.0 | 0.7 | 5~7 | SHUANGXIN17-99L | 098-27 | 98.00-99.00 | 21.0-32.0 | 4.5 | 94.0 | 0.7 | 5~7 |
