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| Characterstics | Unit | Testing Method | Muscovite Mica Type : CM 55 | Phlogophite Mica Type CP 55 |
| Standard Size | mm | IEC 371-2 | 1000 x 600, 1000 x 1200, 1000 x 2400 | |
| Desnsity | g/cm3 | IEC 371-2 | 2.10∼2.30 | 2.0∼2.30 |
| Flexural strength | N/mm2 | ISO 178 | ≥230 | ≥200 |
Comprehensive strength at 20°C at 250°C | N/mm2 | ISO 604 | ≥400 ≥250 | ≥380 ≥240 |
Dielectric Strength at 23°C After Heating at 400°C/1 Hour and tested at 23°C After Heating at 600°C/1 Hour and tested at 23°C
| KV/mm | IEC243 | >25 >13 >10 | >24 >12 >9 |
Insulation Resistence at 23 °C at 400 °C at 500 °C | Ohm.cm | IEC 93 | 10ˆ16 10ˆ12 10ˆ9 | 10ˆ16 10ˆ12 10ˆ9 |
| Resistence to Temperature | Continous | 700 °C 800 °C | 800 °C 1000 °C | |
| Peak | ||||
| Thermal Conductivity | W/m °C | ⊥ to laminate | 3.0 | 3.0 |
| = to laminate | 0.30 | 0.30 | ||
| Thermal Expansion | °C | ⊥ to laminate | 100 x 10ˆ-6 | 100 x 10ˆ-6 |
| = to laminate | 10 x 10ˆ-6 | 10 x 10ˆ-6 | ||
| Weight Loss @ 700 °C for 4 hrs | @550 °C for 4 hours | IEC 371-2 | < 1% | |
| @700 °C for 4 hours | < 2% | |||
| Water Absorption | After 24 hrs | ISO 62 | < 1.0 % | |
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