| About |
|---|
| VIBRATHANE® B635 is a polyether-based MDI-terminated prepolymer which yields 89A to 58D hardness urethanes when extended with 1,4 butanediol or hydroquinone bis (beta hydroxyethyl) ether (HQEE) curatives: Urethanes from VIBRATHANE B635 are characterized by: Outstanding hydrolytic stability Excellent abrasion resistance Excellent low-temperature properties High load-bearing capacity&& |
| Product Description | |
|---|---|
| Supplier | Chemtura |
| Generic | PUR-脂肪族+MDI |
| Material Status | Commercial: Active |
| Features | Hydrolysis stability,Good wear resistance |
| Availabilitys | North America,Latin America |
| Technical Data | |||
|---|---|---|---|
| PHYSICAL | Nominal value | Unit | Test method |
| Density | 1.13 | g/cm³ | ASTM D792 |
| MECHANICAL | Nominal value | Unit | Test method |
|---|---|---|---|
| Shore hardness | |||
| Shaw’s A | 89 | ASTM D2240 |
| elastic body | Nominal value | Unit | Test method |
|---|---|---|---|
| tensile strength | 42.1 | MPa | ASTM D412 |
| 100% strain | 7.65 | MPa | ASTM D412 |
| Tensile strain | |||
| fracture | 390 | % | ASTM D412 |
| tear strength | |||
| — | 96.3 | kN/m | ASTM D624 |
| cracking | 14 | kN/m | ASTM D470 |
| Compression deformation | |||
| 70℃，22 hr | 30 | % | ASTM D395B |
| Basho’s elasticity | 40 | % | ASTM D2632 |
| Uncured Properties | Nominal value | Unit | Test method |
|---|---|---|---|
| Curing time | |||
| 110℃ | 1.0 | hr |
| THERMAL | Nominal value | Unit | Test method |
|---|---|---|---|
| Embrittlement temperature | < -73.0 | ℃ | 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: 7.9 | ||
| Post curing time | |||
| 110℃ | > 4.0 | hr |
| Notes |
|---|
| 1. Typical properties: these are not to be construed as specifications. |
| 2. Die C |
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