| About |
|---|
| EPX 81 is our most accurate high strength engineering material. It has a heat deflection temperature of 140 °C.&& |
| Product Description | |
|---|---|
| Generic | 环氧树脂 |
| Material Status | Commercial: Active |
| Features | Good Rigidity |
| Availabilitys | North America |
| Process Methods | 180320 |
| Technical Data | |||
|---|---|---|---|
| PHYSICAL | Nominal value | Unit | Test method |
| Density | |||
| — | 1.19 | g/cm³ | ASTM D792 |
| Liquid | 1.12 | g/cm³ | |
| Water absorption rate | |||
| 23℃，24hr | 0.16 | % | |
| Saturation, 23 ℃ | 0.80 | % | |
| IMPACT | Nominal value | Unit | Test method |
|---|---|---|---|
| Impact strength of cantilever beam notch | 18 to 28 | J/m | ASTM D256 |
| Notched impact strength of cantilever beam | 240 to 340 | J/m | ASTM D4812 |
| THERMAL | Nominal value | Unit | Test method |
|---|---|---|---|
| Hot deformation temperature | |||
| 0.45 MPa, unannealed | 140 | ℃ | |
| 1.8 MPa, unannealed | 131 | ℃ | |
| Linear coefficient of thermal expansion | |||
| MD | |||
| -60 to 60 ℃ | 6.5E-5 | cm/cm/℃ | |
| 60 to 130 ℃ | 9.3E-5 | cm/cm/℃ | |
| 130 to 200 ℃ | 1.6E-4 | cm/cm/℃ | |
| specific heat | |||
| 23℃ | 1190 | J/kg/℃ | ASTM E1269 |
| Electrical performance | Nominal value | Unit | Test method |
|---|---|---|---|
| Volume resistivity | 3.1E+14 | ohms·cm | ASTM D257 |
| Dielectric strength | 22 | kV/mm | ASTM D149 |
| Dielectric constant | |||
| 1 kHz | 3.04 | ASTM D150 | |
| Dissipation factor | |||
| 1 kHz | 6.7E-3 | ASTM D150 | |
| Compared to the leakage tracing index | 600 | V | ASTM D3638 |
| MECHANICAL | Nominal value | Unit | Test method |
|---|---|---|---|
| Shore hardness | |||
| Shaw’s D | 90 | ASTM D2240 | |
| Tensile modulus | 3040 to 3250 | MPa | ASTM D638 |
| tensile strength | |||
| fracture | 85.0 to 91.0 | MPa | ASTM D638 |
| Tensile strain | |||
| fracture | 4.5 to 5.9 | % | ASTM D638 |
| Bending modulus | |||
| string | 3210 to 3300 | MPa | ASTM D790-B |
| bending strength | 98.0 to 140 | MPa | ASTM D790-B |
| Taber abraser | |||
| 1000 cycles, 1000 g, CS-17 wheels | 34.0 | mg | ASTM D4060 |
| Notes |
|---|
| 1. Typical properties: these are not to be construed as specifications. |
| 2. Type V, 0.039 in/min |
| 3. 0.5 -1 % strain |
| 4. 100% vacuum |
| 5. Machined Notch |
| 【 Disclaimer 】 Guangzhou Soliao Information Technology Co., Ltd. reserves all rights. The information in this data table was obtained from the manufacturer of the material on soliao.com. Soliao.com makes every effort to ensure the accuracy of this data. However, the search company does not assume any responsibility for the uncertainty and consequences caused to users by these data values and suggestions, and strongly recommends verifying the data values with the material supplier before the final selection of materials. |