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Description
Plenkoelektrokarton PEK
Plenkoelektrokarton of PEK represents the composition consisting of the electrocardboard which is stuck together with a polietilentereftalatny film. Plenkoelektrokarton is applied by PEK to grooving isolation, isolation like "cover wedge" in electrical machines of low power in system of isolation of a class of heat stability E (120 °C). Plenkoelektrokarton is suitable PEK for the mechanized izolirovka of stators.
Main technical characteristics of a plyonkoelektrokarton of PEK
| Naimenovaniyepokazatelya | Edinitsaizmereniya | Plenkoelektrokarton PEK | |||
| Nominal thickness | mm | 0,17 ±0,02 | 0,27 ±0,03 | 0,32 ±0,03 | 0,45 ±0,04 |
| Penetrative tension, not less in an initial state: at a temperature of 15-350C and humidity to a 45-75%posla of endurance during 48 h. at a temperature of 23+20C and humidity 93+2%posle excess |
kV | 7,0
7,0 7,0 |
8,0
7,0 7,0 |
11,0
9,0 9,0 |
8,5
7,5 7,5 |
| Specific volume electric resistance, not less, at a temperature of 15-350C and humidity of 15-35% after endurance during 48 h at a temperature of 23+20C and humidity of 93+2% | Om*sm | 1*1013
1*1012 |
5*1013
1*1012 |
5*1013
1*1012 |
5*1013
1*1012 |
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Plenkoelektrokarton PEK