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Durez® 31735 (Injection)
| 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: | yBTGzs_Durez-31735-Injection-.pdf  |
| PRICE: | Order Products email sales@su-jiao.com |
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| Durez 31735 is a special purpose phenolic molding compound developed for automotive and industrial pulleys. This material is designed to optimize pulley performance relating to belt life, dimensional tolerance, impact strength, and other properties required in pulley applications. |
| General Information | |
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| Features |
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| Uses |
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| Appearance |
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| Processing Method |
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| Physical | Nominal Value | Unit | Test Method |
|---|---|---|---|
| Specific Gravity | 1.43 | g/cm³ | ASTM D792 |
| Apparent Density | 0.55 | g/cm³ | ASTM D1895 |
| Molding Shrinkage - Flow | 0.90 | % | ASTM D6289 |
| Water Absorption | 0.50 | % | ASTM D570 |
| Mechanical | Nominal Value | Unit | Test Method |
|---|---|---|---|
| Flexural Modulus - Long Term Heat Test | |||
| 177°C 1 | 80.7 | MPa | |
| 177°C 2 | 44.1 | MPa | |
| Tensor modulus- Long Term Heat Test | |||
| 177°C 3 | 36.5 | MPa | |
| 177°C 4 | 56.5 | MPa |
| Additional Information | Nominal Value | Unit | |
|---|---|---|---|
| Heat Resistance (232°C) | 2.0 | hr | |
| Young's Modulus | 8.00 | GPa |
| Mechanical | Nominal Value | Unit | Test Method |
|---|---|---|---|
| Tensile Modulus | 6900 | MPa | ASTM D638 |
| Tensile Strength | 52.0 | MPa | ASTM D638 |
| Flexural Modulus | 8270 | MPa | |
| Flexural Strength | 86.0 | MPa | ASTM D790 |
| Compressive Strength | 207 | MPa | ASTM D695 |
| Poisson's Ratio | 0.33 |
| Impact | Nominal Value | Unit | Test Method |
|---|---|---|---|
| Notched Izod Impact | 21 | J/m | ASTM D256 |
| Thermal | Nominal Value | Unit | Test Method |
|---|---|---|---|
| Deflection Temperature Under Load (1.8 MPa, Unannealed) | 163 | °C | ASTM D648 |
| CLTE - Flow (30 to 150°C) | 3.6E-5 | cm/cm/°C | |
| Specific Heat | 1170 | J/kg/°C | |
| Thermal Conductivity | 0.37 | W/m/K |
| Electrical | Nominal Value | Unit | Test Method |
|---|---|---|---|
| Volume Resistivity | 1.0E+12 | ohms·cm | ASTM D257 |
| Dielectric Strength | ASTM D149 | ||
| -- 5 | 13 | kV/mm | ASTM D149 |
| -- 6 | 12 | kV/mm | ASTM D149 |
| Dielectric Constant (1 MHz) | 5.10 | ASTM D2520 | |
| Dissipation Factor (1 MHz) | 0.050 | ASTM D150 |
| Thermoset | Nominal Value | Unit | |
|---|---|---|---|
| Shelf Life | 52 | wk |
| Additional Information | Nominal Value | Unit | |
|---|---|---|---|
| Test Specimens Molded at 340-350°FTypical transfer-molded shrinkage is 0.008 in/in |
| Note Message | |
|---|---|
| 1 . | As Is |
| 2 . | 1000 hrs |
| 3 . | 1000 hrs |
| 4 . | As Is |
| 5 . | Method A (short time) |
| 6 . | Method B (step by step) |
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