| About |
|---|
| RIGID DI-PAK R-4912 & R-4260 A/B Low viscosity, fast cure, high performance, high HDT potting and encapsulating compounds with excellent properties and FAST TURNOVER. Both are two part systems with 1:1 mix ratios by volume.&& |
| Product Description | |
|---|---|
| Generic | 热塑性聚酯 |
| Material Status | Commercial: Negative |
| Features | Excellent Processability,Good flexibility,Low Viscosity,High Heat Resistance,Insulation,Fast Cure |
| Availabilitys | North America |
| Technical Data | |||
|---|---|---|---|
| PHYSICAL | Nominal value | Unit | Test method |
| Density | 1.12 | g/cm³ | ASTM D4669 |
| Shrinkage rate | |||
| MD | 0.40 to 0.80 | % | ASTM D2566 |
| Weight（per cubic inch） | 18 | g | |
| IMPACT | Nominal value | Unit | Test method |
|---|---|---|---|
| Impact strength of cantilever beam notch | 9.6 | J/m | ASTM D256 |
| Notched impact strength of cantilever beam | 56 | J/m | ASTM D256 |
| Electrical performance | Nominal value | Unit | Test method |
|---|---|---|---|
| Volume resistivity | 4.7E+13 | ohms·cm | ASTM D257 |
| Dielectric strength | 19 | kV/mm | ASTM D149 |
| Dielectric constant | ASTM D150 | ||
| 1 kHz | 3.73 | ASTM D150 | |
| 100 kHz | 3.50 | ASTM D150 | |
| Dissipation factor | |||
| 25℃，100 kHz | 0.22 | ASTM D150 |
| Thermosetting mixed viscosity | Nominal value | Unit | Test method |
|---|---|---|---|
| 25℃ | 600 | cP | ASTM D4878 |
| stripping time | |||
| 21℃ | 5.0 to 12 | min | |
| Gelation time | |||
| 25℃ | 1.0 | min | ASTM D2971 |
| MECHANICAL | Nominal value | Unit | Test method |
|---|---|---|---|
| Shore hardness | |||
| Shaw’s D | 80 | ASTM D2240 | |
| Tensile modulus | 655 | MPa | ASTM D638 |
| tensile strength | 53.1 | MPa | ASTM D638 |
| Tensile strain | |||
| fracture | 15 | % | ASTM D638 |
| Bending modulus | 1820 | MPa | ASTM D790 |
| bending strength | 73.1 | MPa | ASTM D790 |
| THERMAL | Nominal value | Unit | Test method |
|---|---|---|---|
| Thermal conductivity coefficient | 0.22 | W/m/K | |
| Operating temperature | 146 | ℃ | |
| Thermosetting components | |||
| Component A | 按重量计算的混合比: 100, 按容量计算的混合比: 100 | ||
| Component B | 按重量计算的混合比: 86, 按容量计算的混合比: 100 |
| Notes |
|---|
| 1. Typical properties: these are not to be construed as specifications. |
| 2. 100 g |
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