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Cosmic Epoxy E484
| Category: | Epoxy , Epoxy; Epoxide |
| Manufacturer: | Cosmic Plastics, Inc. |
| Trademark: | Cosmic Epoxy |
| Fillers: | - |
| Ports: | Qinzhou, Shekou, Shanghai, Ningbo |
| Delivery Terms | FOB, CIF, DAP, DAT, DDP |
| PDF: | 29yHEh_Cosmic-Epoxy-E484.pdf  |
| PRICE: | Order Products email sales@su-jiao.com |
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DESCRIPTION Cosmic E484 is a mineral filled, glass reinforced, electrical grade epoxy molding compound which is supplied in a granular form. FEATURES It has excellent mechanical strength and electrical properties, especially at high temperatures. It has passed NASA out-gassing tests. APPLICATIONS Used in electrical hardware applications such as underwater connectors and other insulation applications. |
| General Information | |
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| Features |
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| Uses |
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| Agency Ratings |
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| Physical | Nominal Value | Unit | |
|---|---|---|---|
| Specific Gravity | 1.95 | g/cm³ | |
| Bulk Factor | 2.0 to 5.0 | ||
| Molding Shrinkage - Flow | 0.20 to 0.40 | % | |
| Water Absorption 1(Equilibrium, 50°C) | 0.25 | % |
| Hardness | Nominal Value | Unit | |
|---|---|---|---|
| Barcol Hardness | 65 to 75 |
| Mechanical | Nominal Value | Unit | |
|---|---|---|---|
| Tensile Strength | 96.5 | MPa | |
| Flexural Modulus | 17900 | MPa | |
| Flexural Strength | 131 | MPa | |
| Compressive Strength | 207 | MPa |
| Impact | Nominal Value | Unit | |
|---|---|---|---|
| Notched Izod Impact | 32 | J/m |
| Thermal | Nominal Value | Unit | |
|---|---|---|---|
| Glass Transition Temperature | 165 | °C | |
| CLTE - Flow | |||
| -- 2 | 2.9E-5 | cm/cm/°C | |
| -- 3 | 9.2E-5 | cm/cm/°C | |
| Thermal Conductivity | 0.42 | W/m/K | |
| Heat Distortion | 260 | °C |
| Electrical | Nominal Value | Unit | Test Method |
|---|---|---|---|
| Dielectric Breakdown - Wet | 60000 | V | |
| Surface Resistivity | > 1.0E+15 | ohms | |
| Dielectric Strength 4(Wet) | 14 | kV/mm | |
| Dielectric Constant 5 | |||
| 1 kHz | 5.40 | ||
| 1 MHz | 4.70 | ||
| Dissipation Factor 6 | |||
| 1 kHz | 0.011 | ||
| 1 MHz | 8.0E-3 | ||
| Arc Resistance | 186 | sec |
| Flammability | Nominal Value | Unit | Test Method |
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| Flame Rating (1.59 mm) | V-0 | UL 94 |
| Injection | Nominal Value | Unit | |
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| Processing (Melt) Temp | 150 to 180 | °C | |
| Injection Pressure | 3.45 to 55.2 | MPa |
| Note Message | |
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| 1 . | 48 hrs |
| 2 . | Alpha 1 |
| 3 . | Alpha 2 |
| 4 . | Method B (Step-by-Step) |
| 5 . | Wet |
| 6 . | Wet |
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