| About |
|---|
| The Bayflex 110-80 system produces a solid urethane elastomer which has a flexural modulus of approximately 80,000 psi at room temperature. This system can be used with or without milled glass fiber or mineral reinforcements. It combines rapid demold times, excellent integrity at demold, improved release characteristics, and outstanding physical properties, especially heat sag characteristics. The Bayflex 110-80 system is a formulated elastomeric reaction injection molding (RIM) system supplied as two liquid components. Component A is a diphenylmethane diisocyanate (MDI) prepolymer, and Component B is a polyether polyol system. As with any product, use of the Bayflex 110-80 system in a given application must be tested (including field testing, etc.) in advance by the user to determine suitability.&& |
| Product Description | |
|---|---|
| Supplier | Covestro |
| Generic | PUR-脂肪族+MDI |
| Material Status | Commercial: Active |
| Features | Good stripping performance |
| Availabilitys | Africa & Middle East ,North America,Latin America,Asia Pacific,Europe |
| Technical Data | |||
|---|---|---|---|
| PHYSICAL | Nominal value | Unit | Test method |
| Density | 1.14 | g/cm³ | ASTM D792 , ASTM D1622 |
| Shrinkage rate | |||
| MD：3.2 mm | 0.70 | % | Internal Method |
| MECHANICAL | Nominal value | Unit | Test method |
|---|---|---|---|
| Bending modulus | ASTM D790 | ||
| -30℃，3.18 mm | 1900 | MPa | ASTM D790 |
| 23℃，3.18 mm | 1030 | MPa | ASTM D790 |
| 65℃，3.18 mm | 689 | MPa | ASTM D790 |
| elastic body | Nominal value | Unit | Test method |
|---|---|---|---|
| tensile strength | |||
| Fracture, 3.18 mm | 22.1 | MPa | ASTM D412 |
| Tensile strain | |||
| Fracture, 3.18 mm | 75 | % | ASTM D412 |
| tear strength | |||
| 3.18 mm | 105 | kN/m | ASTM D624 |
| IMPACT | Nominal value | Unit | Test method |
|---|---|---|---|
| Impact strength of cantilever beam notch | |||
| 3.2mm | 160 | J/m | ASTM D256 |
| Supplementary information | Nominal value | Unit | Test method |
|---|---|---|---|
| Heat Sag（4 in Overhang，121℃，3.18 mm） | 4.06 | mm | ASTM D3769 |
| THERMAL | Nominal value | Unit | Test method |
|---|---|---|---|
| Linear coefficient of thermal expansion | |||
| MD：3.2 mm | 5.0E-5 | 1/℃ | ASTM D696 |
| Thermosetting components | |||
| Component A | 按重量计算的混合比: 69 | ||
| Component B | 按重量计算的混合比: 100 |
| Notes |
|---|
| 1. Typical properties: these are not to be construed as specifications. |
| 2. Die C |
| 3. 105 Index |
| 4. 1 hr |
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