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Durez® 25378 (Compression)
| Category: | Phenolic , Phenolic |
| Manufacturer: | Sumitomo Bakelite North America, Inc. |
| Trademark: | Durez® |
| Fillers: | - |
| Ports: | Qinzhou, Shekou, Shanghai, Ningbo |
| Delivery Terms | FOB, CIF, DAP, DAT, DDP |
| PDF: | Snpdf6_Durez-25378-Compression-.pdf  |
| PRICE: | Order Products email sales@su-jiao.com |
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| Message |
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| Durez 25378 Black is a two stage heat resistant / electrical grade molding material having an excellent molded finish, low shrinkage and good heat resistance. Durez 25378 has exceptional U.L. flammability ratings and good comparative tracking index. |
| General Information | |
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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 | 1.61 | g/cm³ | ASTM D792 |
| Apparent Density | 0.68 | g/cm³ | ASTM D1895 |
| Molding Shrinkage - Flow | 0.40 | % | ASTM D6289 |
| Water Absorption | 0.20 | % | ASTM D570 |
| Mechanical | Nominal Value | Unit | Test Method |
|---|---|---|---|
| Tensile Modulus | 10300 | MPa | ASTM D638 |
| Tensile Strength | 45.0 | MPa | ASTM D638 |
| Flexural Strength | 69.0 | MPa | ASTM D790 |
| Compressive Strength | 158 | MPa | ASTM D695 |
| Impact | Nominal Value | Unit | Test Method |
|---|---|---|---|
| Notched Izod Impact | 19 | J/m | ASTM D256 |
| Thermal | Nominal Value | Unit | Test Method |
|---|---|---|---|
| Deflection Temperature Under Load (1.8 MPa, Unannealed) | 204 | °C | ASTM D648 |
| RTI Elec (3.00 mm) | 160 | °C | UL 746 |
| Electrical | Nominal Value | Unit | Test Method |
|---|---|---|---|
| Volume Resistivity | 1.0E+12 | ohms·cm | ASTM D257 |
| Dielectric Strength | ASTM D149 | ||
| -- 1 | 17 | kV/mm | ASTM D149 |
| -- 2 | 13 | kV/mm | ASTM D149 |
| Dielectric Constant (1 MHz) | 4.90 | ASTM D2520 | |
| Dissipation Factor (1 MHz) | 0.040 | ASTM D150 | |
| Arc Resistance | 180 | sec | ASTM D495 |
| Comparative Tracking Index | 220 | V | IEC 60112 |
| Flammability | Nominal Value | Unit | Test Method |
|---|---|---|---|
| Flame Rating | UL 94 | ||
| 0.510 mm | V-0 | UL 94 | |
| 1.50 mm | V-0 | UL 94 | |
| 3.30 mm | 5VA | UL 94 |
| Thermoset | Nominal Value | Unit | |
|---|---|---|---|
| Shelf Life | 52 | wk |
| Additional Information |
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| Test Specimens Molded at 340-350°FTypical transfer-molded shrinkage is 0.005 in/in |
| Note Message | |
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| 1 . | Method A (short time) |
| 2 . | Method B (step by step) |
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