| About |
|---|
| DI-PAK E-4888 & E-4889 High performance, flexible potting systems designed to be in constant water immersion while maintaining electrical and physical properties. DI-PAK E-4888 & E-4889 were designed to meet Naval underwater applications.&& |
| Product Description | |
|---|---|
| Generic | 热塑性聚酯 |
| Material Status | Commercial: Active |
| Features | Good flexibility,Low or no water absorption,Low Viscosity,noise reduction,Insulation,Fast Cure |
| Availabilitys | North America |
| Technical Data | |||
|---|---|---|---|
| PHYSICAL | Nominal value | Unit | Test method |
| Density | 1.05 | g/cm³ | ASTM D4669 |
| Shrinkage rate | |||
| MD | 0.050 to 0.20 | % | ASTM D2566 |
| Weight（per cubic inch） | 17 | g | |
| elastic body | Nominal value | Unit | Test method |
|---|---|---|---|
| tear strength | 64.8 | kN/m | ASTM D624 |
| IMPACT | Nominal value | Unit | Test method |
|---|---|---|---|
| Impact strength of cantilever beam notch | 无断裂 | ASTM D256 | |
| Notched impact strength of cantilever beam | 无断裂 | ASTM D256 |
| Electrical performance | Nominal value | Unit | Test method |
|---|---|---|---|
| Volume resistivity | 7.2E+14 | ohms·cm | ASTM D257 |
| Dielectric strength | 14 | kV/mm | ASTM D149 |
| Dielectric constant | ASTM D150 | ||
| 1 kHz | 2.60 | ASTM D150 | |
| 100 kHz | 2.40 | ASTM D150 | |
| Dissipation factor | |||
| 25℃，100 kHz | 0.10 | ASTM D150 |
| Thermosetting mixed viscosity | Nominal value | Unit | Test method |
|---|---|---|---|
| 25℃ | 1060 | cP | ASTM D4878 |
| stripping time | |||
| 21℃ | 480 to 720 | min | |
| Gelation time | |||
| 25℃ | 25.0 | min | ASTM D2971 |
| Supplementary information | Nominal value | Unit | Test method |
|---|---|---|---|
| Cold and hot shock test | Pass |
| MECHANICAL | Nominal value | Unit | Test method |
|---|---|---|---|
| Shore hardness | |||
| Shaw’s A | 85 | ASTM D2240 | |
| Tensile modulus | 6890 | MPa | ASTM D638 |
| tensile strength | 24.1 | MPa | ASTM D638 |
| Tensile strain | |||
| fracture | 650 | % | ASTM D638 |
| THERMAL | Nominal value | Unit | Test method |
|---|---|---|---|
| Thermal conductivity coefficient | 0.25 | W/m/K | |
| Operating temperature | 95 | ℃ | |
| 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: 25, 按容量计算的混合比: 25 |
| Notes |
|---|
| 1. Typical properties: these are not to be construed as specifications. |
| 2. Die C |
| 3. 100 g |
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