| About |
|---|
| ADIPRENE LF 751D is a TDI-terminated polyether prepolymer with extremely low free TDI content. Curing with 4,4′-methylene-bis-(o-chloroaniline), MBCA, yields a high performance 75 Shore D polyurethane elastomer suitable for many high-performance applications. Features of Adiprene LF 751D include: Low free TDI content Low viscosity Moderate pot life Excellent high temperature dynamic properties&& |
| Product Description | |
|---|---|
| Supplier | Chemtura |
| Generic | PUR-脂肪族+TDI |
| Material Status | Commercial: Active |
| Features | Low Viscosity |
| Availabilitys | North America,Latin America,Asia Pacific,Europe |
| Process Methods | casting |
| Technical Data | |||
|---|---|---|---|
| PHYSICAL | Nominal value | Unit | Test method |
| Density | 1.20 | g/cm³ | ASTM D792 |
| elastic body | Nominal value | Unit | Test method |
|---|---|---|---|
| tensile strength | ASTM D412 | ||
| 100% strain | 37.9 | MPa | ASTM D412 |
| 200% strain | 44.8 | MPa | ASTM D412 |
| tensile strength | 51.7 | MPa | ASTM D412 |
| Tensile strain | |||
| fracture | 230 | % | ASTM D412 |
| tear strength | |||
| — | 166 | kN/m | ASTM D624 |
| cracking | 25 | kN/m | ASTM D470 |
| THERMAL | Nominal value | Unit | Test method |
|---|---|---|---|
| storage stability | 1.8 | min | |
| stripping time | 15 | min |
| Uncured Properties | Nominal value | Unit | Test method |
|---|---|---|---|
| Curing time | |||
| 100℃ | 16 | hr |
| MECHANICAL | Nominal value | Unit | Test method |
|---|---|---|---|
| Shore hardness | |||
| Shaw’s D | 73 to 75 | ASTM D2240 | |
| compressive strength | ASTM D695 | ||
| 5% strain | 15.9 | MPa | ASTM D695 |
| 10% strain | 27.2 | MPa | ASTM D695 |
| 15% strain | 35.2 | MPa | ASTM D695 |
| 20% strain | 45.5 | MPa | ASTM D695 |
| 25% strain | 55.2 | MPa | ASTM D695 |
| Notes |
|---|
| 1. Typical properties: these are not to be construed as specifications. |
| 2. Die C |
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