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- Sumitomo Bakelite North America E 8940SG Electrical Encapsulation Grade Epoxy
Sumitomo Bakelite North America E 8940SG Electrical Encapsulation Grade Epoxy
| Category | Polymer , Thermoset , Epoxy , Epoxy, Encapsulating, Glass or Mineral Filled , Filled/Reinforced Thermoset |
| Manufacturer | Sumitomo Bakelite North America |
| Trade Name | |
| Port | Shanghai port,China |
| Trade Terms | FOB, CFR, CIF |
| Payment Terms | L/C, T/T, Western Union |
| Download PDF | Sumitomo Bakelite North America E 8940SG Electrical Encapsulation Grade Epoxy.pdf  |
| Price | EMAIL US sales@lookpolymers.com |
Material Notes:
Mineral reinforced epoxy molding compound formulated for the encapsulation of electronic devices requiring high quality, exceptional reliability, and outstanding moldability. USES: Passive electronics, RC networks and rectifiers.Information provided by Vyncolit, a Sumitomo Bak Group
| Physical Properties | Metric | English | Comments |
|---|---|---|---|
| Bulk Density | 0.800 g/cc | 0.0289 lb/in³ | Powder Density; ASTM D1895 |
| Density | 1.80 g/cc | 0.0650 lb/in³ | Relative Density; ASTM D792 |
| Linear Mold Shrinkage | 0.0030 - 0.0050 cm/cm | 0.0030 - 0.0050 in/in | Compression Molding; ASTM D955 |
| Mechanical Properties | Metric | English | Comments |
|---|---|---|---|
| Tensile Strength at Break | 86.0 MPa | 12500 psi | ASTM D638 |
| Flexural Strength | 120 MPa | 17400 psi | At Rupture; ASTM D790 |
| Flexural Modulus | 15.2 GPa | 2200 ksi | ASTM D790 |
| Compressive Strength | 240 MPa | 34800 psi | ASTM D695 |
| Izod Impact, Notched | 0.190 J/cm | 0.356 ft-lb/in | ASTM D256 |
| Thermal Properties | Metric | English | Comments |
|---|---|---|---|
| CTE, linear, Parallel to Flow | 22.0 µm/m-°C @Temperature 20.0 °C |
12.2 µin/in-°F @Temperature 68.0 °F |
ASTM E-831 |
| Thermal Conductivity | 0.720 W/m-K | 5.00 BTU-in/hr-ft²-°F | ASTM C-518 |
| Deflection Temperature at 1.8 MPa (264 psi) | 225 °C | 437 °F | Post Baked; ASTM D648A |
| Flammability, UL94 | V-0 @Thickness 1.60 mm |
V-0 @Thickness 0.0630 in |
| Electrical Properties | Metric | English | Comments |
|---|---|---|---|
| Dielectric Constant | 3.0 @Frequency 1e+6 Hz |
3.0 @Frequency 1e+6 Hz |
Dry; ASTM D150 |
| Dielectric Strength | 14.4 kV/mm | 366 kV/in | 60Hz, Step-by-Step, dry; ASTM D149 |
| Dissipation Factor | 0.0060 @Frequency 1e+6 Hz |
0.0060 @Frequency 1e+6 Hz |
Dry; ASTM D150 |
| Descriptive Properties | Value | Comments |
|---|---|---|
| Color | Black | |
| Form | Granular | |
| Main Filler | Mineral | |
| Molding Method | Compression, transfer |
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