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Selvol™ E 523S
| Category: | PVOH , Polyvinyl Alcohol |
| Manufacturer: | Sekisui Chemical Company, Ltd. |
| Trademark: | Selvol™ |
| Fillers: | - |
| Ports: | Qinzhou, Shekou, Shanghai, Ningbo |
| Delivery Terms | FOB, CIF, DAP, DAT, DDP |
| PDF: | 7VHVXS_Selvol-E-523S.pdf  |
| PRICE: | Order Products email sales@su-jiao.com |
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SELVOL™ E 523S is a medium viscosity partially hydrolysed polyvinyl alcohol which finds applications principally in the Building industry. Building: Cement for mortars, building adhesives and gypsum boards. |
| General Information | |
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| Features |
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| Uses |
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| Agency Ratings |
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| Appearance |
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| Forms |
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| Physical | Nominal Value | Unit | Test Method |
|---|---|---|---|
| Density | 1.27 to 1.31 | g/cm³ | |
| Ash Content - Expressed as Sodium Oxide | < 0.5 | wt% | Internal Method |
| Particle Size | Internal Method | ||
| retained 40 mesh | < 0.100 | wt% | |
| retained 80 mesh | < 1.00 | wt% | |
| pH - Of a 4% aqueous solution 1 | 4.5 to 6.5 | Internal Method | |
| Viscosity - Of a 4% aqueous solution at 20ºC 2 | 23 to 27 | mPa·s | Brookfield |
| VOC Content | < 1.0 | wt% | Internal Method |
| Optical | Nominal Value | ||
|---|---|---|---|
| Refractive Index - nD^20°C | 1.5200 to 1.5500 |
| Additional Information | Nominal Value | Unit | Test Method |
|---|---|---|---|
| Degree of Hydrolysis | 87.0 to 89.0 | mol% | Internal Method |
| Light Stability | Excellent | ||
| Methanol Content | < 0.9 | wt% | Internal Method |
| Volatiles | < 5.0 | wt% | Internal Method |
| Thermal | Nominal Value | Unit | |
|---|---|---|---|
| Glass Transition Temperature | 58.0 | °C | |
| Melting Temperature | 180 | °C | |
| CLTE - Flow (0 to 45°C) | 7.0E-5 to 1.0E-4 | cm/cm/°C | |
| Specific Heat | 1650 to 1670 | J/kg/°C | |
| Thermal Conductivity | 2.0 | W/m/K |
| Electrical | Nominal Value | Unit | |
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| Volume Resistivity | 3.1E+7 to 3.8E+7 | ohms·cm |
| Note Message | |
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| 1 . | International Reference: ISO 976 |
| 2 . | International Reference: ISO 2555 |
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