| About |
|---|
| Andur 720-DP is the result of several years of research to develop a high performance, moderate cost prepolymer for the cast urethane industry. This new product is a poly-ester/ether, toluene diisocyanate-terminated prepolymer. An elastomer with a hardness of 70 Shore D is obtained by reaction with various polyols and their combination with Curene 442 and other diamine curatives.&& |
| Product Description | |
|---|---|
| Generic | PUR-酯/醚+TDI |
| Material Status | Commercial: Active |
| Features | Hydrolysis stability,Solvent resistance |
| Availabilitys | North America |
| Technical Data | |||
|---|---|---|---|
| PHYSICAL | Nominal value | Unit | Test method |
| Density | 1.20 | g/cm³ | ASTM D1505 |
| MECHANICAL | Nominal value | Unit | Test method |
|---|---|---|---|
| Shore hardness | |||
| Shaw’s D | 71 | ASTM D2240 |
| elastic body | Nominal value | Unit | Test method |
|---|---|---|---|
| tensile strength | |||
| yield | 52.4 | MPa | ASTM D412 |
| 100% strain | 33.1 | MPa | ASTM D412 |
| Tensile strain | |||
| fracture | 240 | % | ASTM D412 |
| Compression deformation | 36 | % | ASTM D395B |
| Basho’s elasticity | 45 | % | ASTM D2632 |
| THERMAL | Nominal value | Unit | Test method |
|---|---|---|---|
| storage stability | 2.5 | min | |
| stripping time | |||
| 100℃ | 25 | min | |
| Post curing time | |||
| 100℃ | 16 | hr |
| Notes |
|---|
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