| About |
|---|
| RIGID DI-PAK R-4545 Series A very low viscosity potting and encapsulating system with excellent flow and penetration into the most intricate electronic components, without voids or porosity. The R-4545 Series cure to a hard, shiny, high gloss, plastic finish that is free from “blushing” under all humidity conditions. The R-4545 Series is ideal for electrical applications where surface finish and appearance are critical.&& |
| Product Description | |
|---|---|
| Generic | 热塑性聚酯 |
| Material Status | Commercial: Negative |
| Features | Excellent Processability,Blush resistance,Good flexibility,Good surface appearance,High liquidity,Low Viscosity,High Heat Resistance,Insulation |
| Availabilitys | North America |
| Technical Data | |||
|---|---|---|---|
| PHYSICAL | Nominal value | Unit | Test method |
| Density | 1.07 | g/cm³ | ASTM D4669 |
| Shrinkage rate | |||
| MD | 0.050 to 0.25 | % | ASTM D2566 |
| Weight（per cubic inch） | 18 | g | |
| IMPACT | Nominal value | Unit | Test method |
|---|---|---|---|
| Impact strength of cantilever beam notch | 29 | J/m | ASTM D256 |
| Notched impact strength of cantilever beam | 46 | J/m | ASTM D256 |
| Electrical performance | Nominal value | Unit | Test method |
|---|---|---|---|
| Volume resistivity | 7.3E+13 | ohms·cm | ASTM D257 |
| Dielectric strength | 21 | kV/mm | ASTM D149 |
| Dielectric constant | ASTM D150 | ||
| 1 kHz | 4.10 | ASTM D150 | |
| 100 kHz | 3.80 | ASTM D150 | |
| Dissipation factor | |||
| 25℃，100 kHz | 0.012 | ASTM D150 |
| Thermosetting mixed viscosity | Nominal value | Unit | Test method |
|---|---|---|---|
| 25℃ | 550 | cP | ASTM D4878 |
| stripping time | |||
| 21℃ | 1400 | min | |
| Gelation time | |||
| 25℃ | 1.0 | hr | ASTM D2971 |
| MECHANICAL | Nominal value | Unit | Test method |
|---|---|---|---|
| Shore hardness | |||
| Shaw’s D | 80 | ASTM D2240 | |
| Tensile modulus | 2530 | MPa | ASTM D638 |
| tensile strength | 55.8 | MPa | ASTM D638 |
| Tensile strain | |||
| fracture | 15 | % | ASTM D638 |
| Bending modulus | 2700 | MPa | ASTM D790 |
| bending strength | 66.9 | MPa | ASTM D790 |
| THERMAL | Nominal value | Unit | Test method |
|---|---|---|---|
| Thermal conductivity coefficient | 0.22 | W/m/K | |
| Operating temperature | 63 | ℃ | |
| 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: 42, 按容量计算的混合比: 50 |
| Notes |
|---|
| 1. Typical properties: these are not to be construed as specifications. |
| 2. 100 g |
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