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Epoxy mica sheet used in commutator
Description:
Epoxy mica sheet for commutator consist of muscovite or phlogopite mica paper, impregnated with a small amount of specially selected epoxy resin. This product has good electrical properties, mechanical strength, excellent moisture resistance, which can be used in segments, separators and spacers.GT-M-C: Muscovite mica sheet for commutatorGT-P-C: Phlopopite mica sheet for commutatorProperties:ItemsGT-M-CGT-P-CMica content %≥90≥90Resin content %≤10≤10Density g/cm32.1-2.42.1-2.4Thickness tolerance mmAverage0.020.02Individual0.030.03CompressibilityCe-elastic %≤2.5≤2.0Cp-plastic %≤2.5≤2.0Flexural strength Mpa>300>300Elastic modulus Mpa>80 000>70 000Resistance to exudation and displacement ℃200200Dielectric strength Kv/mm>20>20