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Material Comparison
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Product Name / Manufacturer / Model
Grade
Reference Price
| Electrical performance | Test Condition | Test Method | ZHANGZHOU CHANGCHUN/4815 NCB |
|---|---|---|---|
| Dielectric strength | D149 | 22 KV/mm | |
| Volume resistivity | D257 | 10^15 Ω·cm | |
| Dielectric constant | D150 | 3.3 60Hz | |
| Surface impedance ratio | D257 | 10^13 Ω | |
| Arc resistance | ℃ | 90 sec | |
| Induced positive connection | D150 | 0.001 60Hz | |
| mechanical properties | Test Condition | Test Method | ZHANGZHOU CHANGCHUN/4815 NCB |
| Impact strength of cantilever beam gap | D256 | 5.0 Kg cm/cm | |
| Bending modulus | D790 | 54000 kg/cm2 | |
| tensile strength | D638 | 920 kg/cm2 | |
| bending strength | D790 | 1350 kg/cm2 | |
| elongation | Break | D638 | 3.7 % |
| Shore hardness | D785 | 120 R | |
| thermal performance | Test Condition | Test Method | ZHANGZHOU CHANGCHUN/4815 NCB |
| Hot deformation temperature | 4.6kg/cm2 | D648 | 220 °C |
| Melting temperature | DSC | 225 °C | |
| Hot deformation temperature | 18.6kg/cm2 | D648 | 195 °C |
| Physical properties | Test Condition | Test Method | ZHANGZHOU CHANGCHUN/4815 NCB |
| Water absorption rate | 24h | D570 | 0.03 % |
| Linear coefficient of thermal expansion | D696 | 5.5 |