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Mica sheet introduction

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Judy You
Mica sheet introduction

The Mica sheet also has the name mica board and mica plate. It is a kind of insulating material made of mica and organic polymer silica material compound, which has excellent electrical insulation performance and high-temperature resistance and is widely used in electric power, electronics, aerospace, and other fields.

The mica sheet includes a rigid mica sheet, flexible mica sheet, phlogopite mica sheet, muscovite mica sheet, and synthetic mica sheet.

Material Characteristics

  1. electrical insulation performance: Mica board has excellent electrical insulation performance, can withstand high-voltage electric field, has good resistance to leakage, and long-term use will only produce a small capacitive load.

  2. High-temperature resistance: Mica board can withstand high temperatures up to 800℃ without significant deformation and leakage.

  3. abrasion resistance: Mica plate surface hardness, good abrasion resistance, not easy to be affected by external forces, friction, scraping, and breakage.

  4. Corrosion resistance: Mica plate has excellent corrosion resistance, not easy to be eroded and corroded by chemical substances.

 Application fields

  Mica plate is mainly used in the following fields:

  1. electric power field: Mica plate can be used as insulation material for electrical components such as the resistance shield of the high-voltage cable and busbar spacer, which can withstand high voltage and high temperature.

  2. Electronics: Mica sheets can be used as insulating materials for capacitors, substrates for printed circuit boards, etc. They have excellent performance in high-frequency circuits.

  3. aerospace field: Mica sheets can be used to make ultra-light and high-strength composite materials in the aerospace field, and are widely used in weatherboards, corrugated boards, fins, and other components.

  4. Other fields: Mica sheets can also be used to make high-temperature gas filters, sealing materials, heat insulation materials, furnace mica mats, etc.

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