POLYVINYL ALCOHOL FOR SYNTHESIS
PVOH, PVA, Polyol, Viol
| Product Code | B-02054 | BRAND | Bio-Chem |
|---|---|---|---|
| Grade | For Synthesis | CAS No | 9002-89-5 |
| Purity | 99 % | Molecular Weight | 0.00 |
| H.S.Code | 3905.30000 | Shelf Life | 60 Months |
| Molecular Formula | (-C2H4O)n |
Physical Properties
| Physical state at 20 °C | Solid | Colour | Clear Colorless |
|---|---|---|---|
| Odour | Mild odor | Melting point/ Freezing point [°C] | 200 °C |
| Decomposition point [°C] | 228 °C | pH value | 5-7 |
| Flash point [°C] | > 113 °C | Density [g/cm3] | 1.269 |
| Solubility in water [% weight] | Soluble in water | Viscosity at 40°C [mm2/s] | 4-35 mm2/s at 20 °C |
Packaging
Specification
| Appearance | Colorless translucent granules |
| Degree of polymerisation | 1700 – 1800 |
| Viscosity | 25 – 32 cps |
| Hydrolysis (mole %) | 98 – 99 |
| Volatile matter | Max 5% |
| Ash content | Max 0.7% |
| pH (0.2% solution in water) | 5 – 7 |