| About |
|---|
| Witcobond W-290H is an aqueous polyurethane dispersion with no free isocyanate.&& |
| Product Description | |
|---|---|
| Supplier | Chemtura |
| Generic | PUR-酯 |
| Material Status | Commercial: Active |
| Features | Aliphatic series |
| Availabilitys | North America,Latin America,Asia Pacific,Europe |
| Technical Data | |||
|---|---|---|---|
| PHYSICAL | Nominal value | Unit | Test method |
| Density | 1.07 | g/cm³ | |
| PH value | |||
| 25℃ | 7.0 to 9.0 | ||
| Solid content | 61 to 63 | % | |
| elastic body | Nominal value | Unit | Test method |
|---|---|---|---|
| tensile strength | 41.4 | MPa | |
| 100% strain | 2.07 | MPa | |
| Tensile strain | |||
| fracture | 600 | % |
| THERMAL | Nominal value | Unit | Test method |
|---|---|---|---|
| Glass transition temperature | -44.0 | ℃ |
| Thermosetting mixed viscosity | Nominal value | Unit | Test method |
|---|---|---|---|
| 25℃ | 200 to 600 | cP |
| Supplementary information | Nominal value | Unit | Test method |
|---|---|---|---|
| Konig Hardness | 20.0 | ||
| Minimum Film（forming Temperature） | 0 | ℃ |
| Notes |
|---|
| 1. Typical properties: these are not to be construed as specifications. |
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