| Category: | Epoxy , Epoxy; Epoxide |
| Manufacturer: | Sumitomo Bakelite North America, Inc. |
| Trademark: | Sumitomo Epoxy |
| Fillers: | - |
| Ports: | Qinzhou, Shekou, Shanghai, Ningbo |
| Delivery Terms | FOB, CIF, DAP, DAT, DDP |
| PDF: | fgO9LL_Sumitomo-Epoxy-E-2748A.pdf |
| PRICE: | Order Products email sales@su-jiao.com |
| Message |
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| E 2748A is a glass reinforced epoxy molding compound, with good impact strength combined with soft flow for the encapsulation of devices requiring high quality and thermal shock resistance. |
| General Information | |
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| Filler / Reinforcement |
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| Features |
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| Appearance |
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| Forms |
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| Processing Method |
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| Physical | Nominal Value | Unit | Test Method |
|---|---|---|---|
| Specific Gravity | 1.78 | g/cm³ | ASTM D792 |
| Apparent Density | 0.70 | g/cm³ | ASTM D1895 |
| Molding Shrinkage - Flow (Compression Molded) | 0.40 to 0.60 | % | ASTM D955 |
| Water Absorption - 48 hr (50°C) | 0.20 | % | ASTM D570 |
| Mechanical | Nominal Value | Unit | Test Method |
|---|---|---|---|
| Tensile Strength (Break, Compression Molded) | 76.0 | MPa | ASTM D638 |
| Flexural Modulus (Compression Molded) | 12400 | MPa | ASTM D790 |
| Flexural Strength (Break) | 142 | MPa | ASTM D790 |
| Compressive Strength | 210 | MPa | ASTM D695 |
| Impact | Nominal Value | Unit | Test Method |
|---|---|---|---|
| Notched Izod Impact (Compression Molded) | 29 | J/m | ASTM D256 |
| Thermal | Nominal Value | Unit | Test Method |
|---|---|---|---|
| Deflection Temperature Under Load (1.8 MPa, Annealed, Compression Molded) | 250 | °C | ASTM D648 |
| CLTE - Flow | 1.7E-5 | cm/cm/°C | ASTM E831 |
| Electrical | Nominal Value | Unit | Test Method |
|---|---|---|---|
| Dielectric Strength | 14 | kV/mm | ASTM D149 |
| Dielectric Constant 1(1 MHz) | 4.50 | ASTM D2520 | |
| Dissipation Factor 2(1 MHz) | 0.010 | ASTM D150 | |
| Arc Resistance | 180 | sec | ASTM D495 |
| Note Message | |
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| 1 . | Wet |
| 2 . | Wet |
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