| About |
|---|
| VIBRATHANE 8590 is a polyester-based, MDI terminated liquid urethane prepolymer that exhibits Chemtura’s advanced technology in this vital area of the polyurethane industry. This new prepolymer is highly unique in its resistance to heat aging and its uniform, predictable response to the addition of catalyst. When cured with 1,4 Butanediol, this member of the Vibrathane family produces high quality vulcanizates that is 91 Shore A hardness. These tough, high quality elastomers are characterized by: High Tear Strength Excellent Abrasion Resistance Good Solvent Resistance Excellent flex life Vibrathane 8590, at processing temperature, is low in viscosity and has a working life suitable for both machine and hand-batching procedures.&& |
| Product Description | |
|---|---|
| Supplier | Chemtura |
| Generic | PUR-酯+MDI |
| Material Status | Commercial: Active |
| Features | Good heat aging resistance,Good flexibility,Low Viscosity,Good tear strength,Good wear resistance,Solvent resistance |
| Availabilitys | North America,Latin America,Asia Pacific |
| Technical Data | |||
|---|---|---|---|
| elastic body | Nominal value | Unit | Test method |
| tensile strength | ASTM D412 | ||
| 100% strain | 8.07 | MPa | ASTM D412 |
| 300% strain | 19.7 | MPa | ASTM D412 |
| tensile strength | 50.3 | MPa | ASTM D412 |
| Tensile strain | |||
| fracture | 490 | % | ASTM D412 |
| tear strength | |||
| — | 107 | kN/m | ASTM D624 |
| cracking | 21 | kN/m | ASTM D470 |
| Compression deformation | |||
| 70℃，22 hr | 26 | % | 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: 8.4 | ||
| storage stability | 5.0 | min | |
| Post curing time | |||
| 115℃ | 16 | hr |
| Uncured Properties | Nominal value | Unit | Test method |
|---|---|---|---|
| Curing time | |||
| 115℃ | 1.0 | hr |
| MECHANICAL | Nominal value | Unit | Test method |
|---|---|---|---|
| Shore hardness | |||
| Shaw’s A | 91 | ASTM D2240 | |
| compressive strength | ASTM D695 | ||
| 5% strain | 1.88 | MPa | ASTM D695 |
| 10% strain | 3.63 | MPa | ASTM D695 |
| 15% strain | 5.35 | MPa | ASTM D695 |
| 20% strain | 7.16 | MPa | ASTM D695 |
| 25% strain | 9.16 | MPa | ASTM D695 |
| Notes |
|---|
| 1. Typical properties: these are not to be construed as specifications. |
| 2. Die C |
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