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- Sumitomo Bakelite North America E 2748A Short Glass Fiber Reinforced Epoxy
Sumitomo Bakelite North America E 2748A Short Glass Fiber Reinforced Epoxy
| Category | Polymer , Thermoset , Epoxy , Epoxy, Molded, Glass Fiber Filler , Filled/Reinforced Thermoset |
| Manufacturer | Sumitomo Bakelite North America |
| Trade Name | |
| Port | Ningbo port,China |
| Trade Terms | FOB, CFR, CIF |
| Payment Terms | L/C, T/T, Western Union |
| Download PDF | Sumitomo Bakelite North America E 2748A Short Glass Fiber Reinforced Epoxy.pdf  |
| Price | EMAIL US sales@lookpolymers.com |
Material Notes:
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.Information provided by Sumitomo Bak North America, Inc.
| Physical Properties | Metric | English | Comments |
|---|---|---|---|
| Bulk Density | 0.700 g/cc | 0.0253 lb/in³ | ASTM D1895 |
| Density | 1.78 g/cc | 0.0643 lb/in³ | ASTM D792 |
| Water Absorption | 0.20 % @Temperature 50.0 °C, Time 173000 sec |
0.20 % @Temperature 122 °F, Time 48.0 hour |
ASTM D570 |
| Linear Mold Shrinkage | 0.0040 - 0.0060 cm/cm | 0.0040 - 0.0060 in/in | ASTM D955 |
| Mechanical Properties | Metric | English | Comments |
|---|---|---|---|
| Tensile Strength at Break | 76.0 MPa | 11000 psi | ASTM D638 |
| Flexural Strength | 142 MPa | 20600 psi | at rupture; ASTM D790 |
| Flexural Modulus | 12.4 GPa | 1800 ksi | ASTM D790 |
| Compressive Strength | 210 MPa | 30500 psi | ASTM D695 |
| Izod Impact, Notched | 0.290 J/cm | 0.543 ft-lb/in | ASTM D256 |
| Thermal Properties | Metric | English | Comments |
|---|---|---|---|
| CTE, linear, Parallel to Flow | 17.0 µm/m-°C | 9.44 µin/in-°F | ASTM E831 |
| Deflection Temperature at 1.8 MPa (264 psi) | 250 °C | 482 °F | Post Baked; ASTM D648A |
| Electrical Properties | Metric | English | Comments |
|---|---|---|---|
| Dielectric Constant | 4.5 @Frequency 1.00e+6 Hz |
4.5 @Frequency 1.00e+6 Hz |
wet; ASTM D150 |
| Dielectric Strength | 14.2 kV/mm @Frequency 60.0 Hz |
361 kV/in @Frequency 60.0 Hz |
short time, dry; ASTM D149 |
| Dissipation Factor | 0.010 @Frequency 1.00e+6 Hz |
0.010 @Frequency 1.00e+6 Hz |
wet; ASTM D150 |
| Arc Resistance | 180 sec | 180 sec | ASTM D495 |
| Descriptive Properties | Value | Comments |
|---|---|---|
| Color | Black | |
| Form | Granular | |
| Molding Method | Compression | |
| Transfer |
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