| About |
|---|
| VIBRATHANE 8070 is a TDI-terminated polyester based prepolymer which yields a 70 Shore A hardness urethane when cured with 4-4′-methylene bis-(orthochloroaniline), commonly called MBCA. Vibrathane 8070 elastomers are characterized by: High tensile and tear strength. Excellent heat, fuel and solvent resistance. Outstanding abrasion resistance. Good low temperature and dynamic properties.&& |
| Product Description | |
|---|---|
| Supplier | Chemtura |
| Generic | PUR-酯+TDI |
| Material Status | Commercial: Active |
| Features | High Heat Resistance,Good Tensile Strength,Good tear strength,Good wear resistance,Solvent resistance,Fuel resistance |
| Availabilitys | North America,Latin America,Asia Pacific,Europe |
| Technical Data | |||
|---|---|---|---|
| PHYSICAL | Nominal value | Unit | Test method |
| Density | 1.25 | g/cm³ | ASTM D792 |
| MECHANICAL | Nominal value | Unit | Test method |
|---|---|---|---|
| Shore hardness | |||
| Shaw’s A | 72 | ASTM D2240 |
| elastic body | Nominal value | Unit | Test method |
|---|---|---|---|
| tensile strength | ASTM D412 | ||
| 100% strain | 2.14 | MPa | ASTM D412 |
| 300% strain | 3.86 | MPa | ASTM D412 |
| tensile strength | 33.6 | MPa | ASTM D412 |
| Tensile strain | |||
| fracture | 630 | % | ASTM D412 |
| tear strength | |||
| — | 54.3 | kN/m | ASTM D624 |
| cracking | 11 | kN/m | ASTM D470 |
| Compression deformation | |||
| 70℃，22 hr | 30 | % | ASTM D395B |
| Basho’s elasticity | 30 | % | ASTM D2632 |
| THERMAL | Nominal value | Unit | Test method |
|---|---|---|---|
| Thermosetting components | |||
| resin | 按重量计算的混合比: 100 | ||
| Hardening method | 按重量计算的混合比: 6.7 | ||
| storage stability | 8.0 to 10 | min | |
| Post curing time | |||
| 100℃ | 16 | hr |
| Uncured Properties | Nominal value | Unit | Test method |
|---|---|---|---|
| Curing time | |||
| 100℃ | 1.0 | hr |
| Notes |
|---|
| 1. Typical properties: these are not to be construed as specifications. |
| 2. Die C |
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