| About |
|---|
| Lytex 4149 is a high-performance, 3K tow carbon fiber (PAN) reinforced epoxy sheet molding compound designed for military and aerospace structural applications requiring excellent mechanical properties, retention of properties at elevated temperatures, good chemical resistance, and low density.&& |
| Product Description | |
|---|---|
| Generic | 环氧树脂 |
| Material Status | Commercial: Active |
| Features | Conductive,Solvent resistance |
| Availabilitys | North America |
| Technical Data | |||
|---|---|---|---|
| PHYSICAL | Nominal value | Unit | Test method |
| Density | 1.45 | g/cm³ | ASTM D792 |
| Apparent density | 1.45 | g/cm³ | ASTM D1895 |
| Shrinkage rate | |||
| MD | 0.0 | % | ASTM D955 |
| MECHANICAL | Nominal value | Unit | Test method |
|---|---|---|---|
| Tensile modulus | 55200 | MPa | ASTM D638 |
| tensile strength | 290 | MPa | ASTM D638 |
| Tensile strain | |||
| fracture | 0.49 | % | ASTM D638 |
| Bending modulus | 34500 | MPa | ASTM D790 |
| bending strength | 614 | MPa | ASTM D790 |
| Compression modulus | 31700 | MPa | ASTM D695 |
| compressive strength | 276 | MPa | ASTM D695 |
| shear modulus | 11000 | MPa | ASTM D732 |
| shear strength | 207 | MPa | ASTM D732 |
| IMPACT | Nominal value | Unit | Test method |
|---|---|---|---|
| Impact strength of cantilever beam notch | 960 | J/m | ASTM D256 |
| THERMAL | Nominal value | Unit | Test method |
|---|---|---|---|
| Hot deformation temperature | |||
| 1.8 MPa, unannealed | 302 | ℃ | ASTM D648 |
| Continuous use temperature | 177 | ℃ | ASTM D794 |
| Linear coefficient of thermal expansion | |||
| MD | 3.6E-6 | 1/℃ | ASTM D696 |
| Thermal conductivity coefficient | 0.47 | W/m/K | ASTM C177 |
| Storage period | |||
| -12℃ | 26 | wk | |
| stripping time | |||
| 138℃ | 5.0 to 10 | min |
| Process Conditions | |||
|---|---|---|---|
| injection | Nominal value | Unit | Test method |
| Mold temperature | 129 to 166 | °C | |
| Notes |
|---|
| 1. Typical properties: these are not to be construed as specifications. |
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