| About |
|---|
| RX® 431 is a cellulose fiber reinforced phenolic novolac molding compound. This material is recommended for large parts requiring moderate toughness. It is designed to meet the requirements of ASTM D-5948-96, Type CFI-10. (Replaces Military Specification MIL-M-14H.)&& |
| Product Description | |
|---|---|
| Supplier | SBHPP |
| Generic | 酚醛树脂 |
| Material Status | Commercial: Active |
| Features | Good flexibility,HB |
| Availabilitys | North America |
| Process Methods | Injection Molding |
| Technical Data | |||
|---|---|---|---|
| PHYSICAL | Nominal value | Unit | Test method |
| Density | 1.43 | g/cm³ | ASTM D792 |
| Apparent density | 0.40 | g/cm³ | ASTM D1895 |
| Shrinkage rate | |||
| MD | 0.20 | % | ASTM D955 |
| Water absorption rate | |||
| 48hr | 1.9 | % | ASTM D570 |
| 24hr | 0.60 | % | ASTM D570 |
| IMPACT | Nominal value | Unit | Test method |
|---|---|---|---|
| Impact strength of cantilever beam notch | 60 | J/m | ASTM D256-A |
| THERMAL | Nominal value | Unit | Test method |
|---|---|---|---|
| Hot deformation temperature | |||
| 1.8 MPa, unannealed | 180 | ℃ | ASTM D648-A |
| Linear coefficient of thermal expansion | ASTM E831 | ||
| MD | 2.7E-5 | 1/℃ | ASTM E831 |
| TD | 6.9E-5 | 1/℃ | ASTM E831 |
| Thermal conductivity coefficient | 0.58 | W/m/K | ASTM C518 |
| Relative temperature index | 150 | ℃ | UL 746 |
| Electrical performance | 150 | ℃ | UL 746 |
| Impact mechanical performance | 150 | ℃ | UL 746 |
| Electrical performance | Nominal value | Unit | Test method |
|---|---|---|---|
| Dielectric strength | ASTM D149 | ||
| — | 1.6 | kV/mm | ASTM D149 |
| — | 1.4 | kV/mm | ASTM D149 |
| Arc resistance | 60.0 | sec | ASTM D495 |
| FLAME CHARACTERISTICS | Nominal value | Unit | Test method |
|---|---|---|---|
| Flame retardant level | UL 94 | ||
| 1.60 mm | HB | UL 94 | |
| 3.20 mm | HB | UL 94 |
| MECHANICAL | Nominal value | Unit | Test method |
|---|---|---|---|
| Rockwell hardness | |||
| E-level | 75 | ASTM D785 | |
| tensile strength | 41.0 | MPa | ASTM D638 |
| Bending modulus | 11000 | MPa | ASTM D790 |
| bending strength | 75.0 | MPa | ASTM D790 |
| compressive strength | 186 | MPa | ASTM D695 |
| Notes |
|---|
| 1. Typical properties: these are not to be construed as specifications. |
| 2. Dry, 60 Hz |
| 3. Method A (Short-Time) |
| 4. Method B (Step-by-Step) |
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