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POLYVINYL ALCOHOL For Synthesis PVOH; PVA; Polyviol; Vinol
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Description
| Article No. | 05315 | Grade | For Synthesis |
| Purity | CAS No. | 9002-89-5 | |
| Molecular Formula | (-C2H4O)n | Molecular Weight | Approx. 1,15,000 |
| H.S. Code | 3905.3000 | Shelf Life | 60 Months |
Physical Properties
| Physical state at 20 °C | Solid | Colour | Colourless granules | ||||
| Odour | Mild odor | pH value | 5 – 7 | ||||
| Melting point/ Freezing point [°C] | 200 °C | Decomposition point [°C] | 228 °C | ||||
| 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 | ||||
Specifications
| Appearance | Colorless translucent granules | Degree of polymerisation | 1700 – 1800 |
| Viscosity (4% solution in water) | 25 – 32 cps | Hydrolysis (mole %) | 98 – 99 |
| Volatile matter | Max 5% | Ash content | Max 0.7% |
| pH (0.2% solution in water) | 5 – 7 |
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