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| Application: | Electrical Winding Insulation, Electrical Base, Shell |
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| Color: | Black |
| Material: | PP |
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| property | Indicative value | Test method | |
| Polyolefins | EPDM rubber | ||
| tensile strength | ≥10.0Mpa | ≥10.0Mpa | ASTM D 2671 |
| Elongation at break | ≥300% | ≥1000% | ASTM D 2671 |
| Heat aging tensile strength | ≥6.9Mpa | ≥9Mpa | 90ºC/70hrs |
| Elongation at break for heat aging | ≥150% | ≥500% | 90ºC/70hrs |
| Thermal shock | No cracking | No cracking | JB7829 |
| Oxygen index | ≥28 | GB/T 2406 | |
| Dielectric strength | ≥20KV/mm | ≥30KV/mm | IEC 243 |
| Dielectric constant | 2-3 | 2-3 | IEC 250 |
| Volume resistance | ≥1*10¹Ωcm | ≥4.5*10142.cm | lEC 93 |
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