| About |
|---|
| Andur 2-920AP is a polyester/polyether TDI terminated coprepolymer suitable for the preparation of urethane elastomers. When cured with Curene 442 [4,4′-methylene-bis (orthochloroaniline)], an elastomer with 92 Shore A hardness will be produced. Elastomers of lower hardness can be obtained using blends of Curene 442 and polyols and other diamine curatives, or by the use of plasticizers.&& |
| 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 | 1.16 | g/cm³ | ASTM D1505 |
| MECHANICAL | Nominal value | Unit | Test method |
|---|---|---|---|
| Shore hardness | |||
| Shaw’s A | 92 | ASTM D2240 |
| elastic body | Nominal value | Unit | Test method |
|---|---|---|---|
| tensile strength | ASTM D412 | ||
| yield | 59.3 | MPa | ASTM D412 |
| 100% strain | 8.89 | MPa | ASTM D412 |
| 300% strain | 17.7 | MPa | ASTM D412 |
| Tensile strain | |||
| fracture | 430 | % | ASTM D412 |
| Compression deformation | 33 | % | ASTM D395B |
| Basho’s elasticity | 32 | % | ASTM D2632 |
| THERMAL | Nominal value | Unit | Test method |
|---|---|---|---|
| storage stability | 6.0 to 7.0 | min | |
| stripping time | |||
| 104℃ | 25 | min | |
| Post curing time | |||
| 22℃ | 72 | hr | |
| 100℃ | 16 | hr |
| Notes |
|---|
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