| About |
|---|
| Witcobond W-244 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 | 1.05 | g/cm³ | |
| PH value | |||
| 25℃ | 7.5 to 9.5 | ||
| Solid content | 38 to 40 | % | |
| MECHANICAL | Nominal value | Unit | Test method |
|---|---|---|---|
| Sward | 83.0 | ||
| Pencil hardness | 2B |
| elastic body | Nominal value | Unit | Test method |
|---|---|---|---|
| tensile strength | 53.8 | MPa | |
| Tensile strain | |||
| fracture | 70 | % |
| THERMAL | Nominal value | Unit | Test method |
|---|---|---|---|
| Glass transition temperature | 62.5 | ℃ |
| Thermosetting mixed viscosity | Nominal value | Unit | Test method |
|---|---|---|---|
| 25℃ | < 800 | cP |
| Supplementary information | Nominal value | Unit | Test method |
|---|---|---|---|
| Cosolvent（NMethylpyrrolidone） | 12 | % | |
| Konig Hardness | 152 |
| Notes |
|---|
| 1. Typical properties: these are not to be construed as specifications. |
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