How to choose an insulating rubber pad

The selection of insulating rubber pads should meet the following requirements：

   1. The length and width cannot be less than 600 mm.The thickness is related to the voltage level. The voltage of the distribution room is 10-12 mm thick for a voltage of 35 kV, 8 mm thick for a voltage of 10 kV, and 5 mm thick for a low voltage below 500 volts.According to the instructions in the "Gas Station Operator Skills Appraisal Test Set", the rubber pads of gas stations should be resistant to 10 kV high pressure and should be 8 mm thick.

   2. The upper and lower surfaces should be flat, and there should be no small holes, cracks, local bulges, incisions, incisions with conductive foreign objects, crevices, voids, bumps, ripples, and casting marks. Defects that destroy uniformity and damage the smooth contour of the surface, in order to prevent the pressure resistance standard from being lowered and the breakdown time from being shortened.

   3. It cannot be used in a humid environment, it is forbidden to come into contact with oils, acids, alkalis or other harmful substances, and keep away from heat sources, avoid direct sunlight, and prevent sharp objects from colliding, otherwise it will also lose its effect.It should be stored in a dry and ventilated environment, away from heat sources for more than 1 meter, and away from the ground and walls for more than 20 cm.

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