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Sumitomo Bakelite Durez® 23570 Phenolic, Injection Grade
| Category | Polymer , Thermoset , Phenolic |
| Manufacturer | Sumitomo Bakelite High Peformance Plastics |
| Trade Name | Durez® |
| Port | Ningbo port,China |
| Trade Terms | FOB, CFR, CIF |
| Payment Terms | L/C, T/T, Western Union |
| Download PDF | Sumitomo Bakelite Durez® 23570 Phenolic, Injection Grade.pdf  |
| Price | EMAIL US sales@lookpolymers.com |
Material Notes:
Durez 23570 Black Phenolic is a glass and mineral filled two-stage, special purpose molding material. It is designed for high strength, good dimensional stability, and electrical properties even after long term exposure to elevated temperatures. It is designed to meet the requirements of Mil-M-14G, Type MFH. Typical uses are connectors, automotive transmission components, computer parts and brush holders.Information provided by Sumitomo Bak North America, Inc.
| Physical Properties | Metric | English | Comments |
|---|---|---|---|
| Density | 1.77 g/cc | 0.0639 lb/in³ | ASTM D792 |
| Apparent Bulk Density | 0.800 g/cc | 0.0289 lb/in³ | ASTM D1895 |
| Water Absorption | 0.050 % | 0.050 % | ASTM D570 |
| Linear Mold Shrinkage | 0.0030 cm/cm | 0.0030 in/in | ASTM D955 |
| Mechanical Properties | Metric | English | Comments |
|---|---|---|---|
| Tensile Strength, Ultimate | 103 MPa | 14900 psi | ASTM D638 |
| Tensile Modulus | 17.2 GPa | 2490 ksi | ASTM D638 |
| Flexural Yield Strength | 172 MPa | 24900 psi | ASTM D790 |
| Compressive Yield Strength | 262 MPa | 38000 psi | ASTM D695 |
| Poissons Ratio | 0.32 | 0.32 | |
| Shear Modulus | 6.52 GPa | 946 ksi | Calculated |
| Shear Strength | 62.7 MPa | 9100 psi | after 16hrs @ 300°F |
| 84.8 MPa | 12300 psi | as molded | |
| Izod Impact, Notched | 0.267 J/cm | 0.500 ft-lb/in | ASTM D256 |
| Thermal Properties | Metric | English | Comments |
|---|---|---|---|
| CTE, linear | 20.5 µm/m-°C @Temperature 23.0 - 60.0 °C |
11.4 µin/in-°F @Temperature 73.4 - 140 °F |
|
| Specific Heat Capacity | 1.17 J/g-°C | 0.280 BTU/lb-°F | |
| Thermal Conductivity | 0.452 W/m-K | 3.13 BTU-in/hr-ft²-°F | |
| Maximum Service Temperature, Air | 150 °C @Thickness 3.00 mm |
302 °F @Thickness 0.118 in |
UL Temp Index |
| Deflection Temperature at 1.8 MPa (264 psi) | 204 °C | 399 °F | ASTM D648 |
| Flammability, UL94 | V-0 @Thickness 3.00 mm |
V-0 @Thickness 0.118 in |
|
| 5VA @Thickness 1.50 mm |
5VA @Thickness 0.0591 in |
| Electrical Properties | Metric | English | Comments |
|---|---|---|---|
| Electrical Resistivity | 1.00e+12 ohm-cm | 1.00e+12 ohm-cm | ASTM D257 |
| Dielectric Constant | 5.5 @Frequency 1e+6 Hz |
5.5 @Frequency 1e+6 Hz |
ASTM D150 |
| Dielectric Strength | 14.7 kV/mm | 373 kV/in | Step by step; ASTM D149 |
| 17.7 kV/mm | 450 kV/in | Short Time; ASTM D149 | |
| Dissipation Factor | 0.010 @Frequency 1e+6 Hz |
0.010 @Frequency 1e+6 Hz |
ASTM D150 |
| Descriptive Properties | Value | Comments |
|---|---|---|
| Color | Black | |
| Feeding & Preforming | Good | |
| Form | Granular |
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