Hubei PingAn Electric Material Co.,Ltd.
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Payment Terms: | T/T, DP, L/C at sight |
Place of Origin: | Hubei, China (Mainland) |
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Item | PB5662-1 | PJ5662 | PB5662-2 | PB5662-G | Test Standard | |||
Muscovite | Phlogopite | Muscovite | Muscovite | |||||
Mica Content* % | 92 | 91.5 | 91.5 | 91.0 | IEC 371-2 | |||
Bond Content % | 8 | 8.5 | 8.5 | 9.0 | IEC 371-2 | |||
Density* g/cm 3 | 2.0 | 2.0 | 2.15 | 2.15 | IEC 371-2 | |||
Fire Resistance | Continuous | 500 C | 500 C | 600 C | 500 C | QB/08* | ||
Intermittent | 700 C | 800 C | 800 C | 700 C | QB/08* | |||
Flexural Strength N/mm 2 | >160 | >140 | >180 | >180 | ISO178 | |||
Dielectric Strength Kv/mm | >20 | >20 | >20 | >20 | IEC243 | |||
Insulation Resistance ( Ω x cm) | 23 C | >10 17 | >10 17 | >10 17 | IEC 93 | >10 17 | ||
550 C | >10 12 | >10 12 | >10 12 | IEC 93 | >10 12 | |||
Water Absorption (%) | <1 | <1 | <1 | <1 | ISO62 | |||
Thermal Expansion (10 -6 /K) | Perpendicular to layer | 100 | 100 | 100 | QB/08* | |||
Parallel to layer | 10 | 10 | 10 | QB/08* | ||||
Heat Loss at Heating (%) | 500 C | <1 | <1 | <1 | IEC 371-2 | <1 | ||
700 C | N/M | <1 | N/M | IEC 371-2 | <1 | |||
* The content of mica and bond in 0.15 -0.4mm thick mica plate is 92.5% and 7.5%, that in 0.5 -1.0mm thick is 92% and 8%, that in 1.1 -1.95mm thick is 91% and 9%. * The density of 0.2mm below is 1.8g /cm 3 , that of 0.2 -0.5mm thick mica plate is 2.0g /cm 3 , that of 0.6 -1.95mm thick mica plate is 2.15g /cm 3 . * QB/08: Enterprise standard of Pamica |