Electrical technology on the silicone waterproof sealing ring usually refers to the resistivity of greater than 10 9 ω. Cm material. The main function of insulating materials is to separate the charged parts with different potentials in electrical equipment.

Therefore, insulation materials to have good dielectric properties, is to have a high insulation resistance and compressive strength, to avoid leakage, creepage and breakdown accidents; Secondly, the heat resistance of insulating materials is better, mainly to ensure that the performance will not change because of long-term heating action; In addition, there are good thermal conductivity, moisture resistance and high mechanical strength and convenient processing.

Electrical insulation materials commonly used, according to the different chemical properties, can be divided into inorganic materials, organic. There are three types of insulation materials and mixed insulation materials.

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