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With excellent electrical properties, low weight and easy processing, polymeric materials were widely used as external insulating materials for indoor and outdoor electrical applications. However, with the presence of humidity and contamination in the operation environment, surface tracking may happen to polymeric insulating materials which influences the long term reliability of the insulation and...
With excellent electrical properties high performance under wet and polluted conditions, wide operation temperature range and simple processing, liquid silicone rubber have been extensively used as an insulating material in power transmission and distribution system. However, in recent years, ‘acidic attack’ is becoming a matter of concern to the reliability of silicone rubber outdoor insulation....
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