| About |
|---|
| ADIPRENE LW 520 is a polyether-based liquid casting urethane polymer, prepared with an aliphatic diisocyanate, that yields tough, high quality elastomers in the 90 durometer A hardness range when cured with methylene dianiline. It is readily processable by conventional hand and machine mixing techniques.&& |
| Product Description | |
|---|---|
| Supplier | Chemtura |
| Generic | PUR-脂肪族 |
| Material Status | Commercial: Active |
| Features | Good flexibility,Hydrolysis stability,Aliphatic series,Low temperature toughness |
| Availabilitys | North America,Latin America,Asia Pacific,Europe |
| Process Methods | casting |
| Technical Data | |||
|---|---|---|---|
| PHYSICAL | Nominal value | Unit | Test method |
| Density | 1.06 | g/cm³ | ASTM D792 |
| Shrinkage rate | |||
| MD | 1.3 | % | ASTM D955 |
| MECHANICAL | Nominal value | Unit | Test method |
|---|---|---|---|
| Shore hardness | |||
| Shaw’s A | 88 to 92 | ASTM D2240 |
| elastic body | Nominal value | Unit | Test method |
|---|---|---|---|
| tensile strength | ASTM D412 | ||
| 100% strain | 7.07 to 8.45 | MPa | ASTM D412 |
| 300% strain | 19.3 to 25.9 | MPa | ASTM D412 |
| tensile strength | 25.9 to 39.0 | MPa | ASTM D412 |
| Tensile strain | |||
| fracture | 310 to 390 | % | ASTM D412 |
| tear strength | |||
| cracking | 9.6 | kN/m | ASTM D470 |
| Compression deformation | |||
| 70℃，22 hr | 60 to 70 | % | ASTM D395B |
| Basho’s elasticity | 38 to 42 | % | ASTM D2632 |
| Kappa’s modulus | ASTM D1043 | ||
| -57℃ | 110 | MPa | ASTM D1043 |
| -40℃ | 58.6 | MPa | ASTM D1043 |
| -18℃ | 24.1 | MPa | ASTM D1043 |
| 24℃ | 10.3 | MPa | ASTM D1043 |
| Supplementary information | Nominal value | Unit | Test method |
|---|---|---|---|
| friction coefficient | |||
| NBS | 1100 to 1300 |
| Uncured Properties | Nominal value | Unit | Test method |
|---|---|---|---|
| Curing time | |||
| 100℃ | 16 | hr |
| THERMAL | Nominal value | Unit | Test method |
|---|---|---|---|
| Embrittlement temperature | < -60.0 | ℃ | ASTM D746 |
| Thermosetting components | |||
| resin | 按重量计算的混合比: 100 | ||
| Hardening method | 按重量计算的混合比: 11 | ||
| storage stability | 4.0 to 6.0 | min |
| Notes |
|---|
| 1. Typical properties: these are not to be construed as specifications. |
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