| About |
|---|
| Exceval™ is the trademark of Kuraray’s novel water soluble polymer, specially designed for “high water resistance”. It is commonly known that fully hydrolyzed polyvinyl alcohol shows higher water resistance based on the higher crystallinity than that of partially hydrolyzed polyvinyl alcohol, but “viscosity stability” is the critical problem. Exceval™ achieves the compatibility of both performances, “high water resistance” and “viscosity stability” based on Kuraray’s accumulated technology. Medium hydrolyzed grade&& |
| Product Description | |
|---|---|
| Supplier | Kuraray |
| Generic | EVA |
| Material Status | Commercial: Active |
| Features | Low or no water absorption,Biodegradable,Copolymer,Water soluble |
| Availabilitys | North America,Asia Pacific,Europe |
| Technical Data | |||
|---|---|---|---|
| PHYSICAL | Nominal value | Unit | Test method |
| Solution viscosity | 23 to 30 | mPa·s | JIS K6726 |
| Ash Content | 0.40 | % | |
| Volatiles | 5.0 | % | JIS K6726 |
| Supplementary information | Nominal value | Unit | Test method |
|---|---|---|---|
| Degree of Hydrolysis | 92 to 94 | % |
| Notes |
|---|
| 1. Typical properties: these are not to be construed as specifications. |
| 2. 4 % aqueous solution at 20 °C determined by Brookfield viscometer |
| 3. Calculated as Na2O |
| 4. After 3 hours’ drying at 105 °C. Methanol content: less than 3 %. |
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