Micanite

What is Micanite?

Micanite is a rigid micanite plate consisting of Muscovite or Phlogopite Flexible mica micapaper, impregnated with a heat resistant binder. Layers of impregnated Cogemica are consolidated under heat and pressure to form rigid plates. The binder is completely cured during this process. These laminates exhibit high flexural strength and edge cut-through resistance. and Grafoil replacement has generated strong interest for applications up to 1200 degrees Centigrade.

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Micanite electrical insulation material for high-temperature industrial applications
Micanite
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Micanite Sheets

Polymer Plastics manufactures and supplies premium-quality Micanite Sheets designed for demanding electrical and thermal insulation applications. Micanite is a composite insulation material produced by bonding natural or synthetic mica flakes with specialized heat-resistant binders, resulting in a strong and reliable insulation product capable of withstanding extreme temperatures.

Micanite Sheets offer outstanding electrical insulation properties and maintain excellent dielectric strength even under high-temperature operating conditions. Their superior thermal stability makes them suitable for applications where conventional insulation materials may fail due to heat exposure.

The material exhibits excellent resistance to electrical arcing, thermal shock, and moisture while maintaining dimensional stability and mechanical integrity. These properties make Micanite an ideal solution for industrial heating equipment, electrical insulation systems, induction furnaces, resistance heaters, switchgear, and high-voltage applications.

Micanite Sheets can be fabricated into custom insulation components, heater supports, terminal insulation parts, thermal barriers, and electrical separators. Their versatility and long service life make them widely used in power generation, electrical manufacturing, industrial processing equipment, and high-temperature engineering applications.

Available in various thicknesses and custom dimensions, Polymer Plastics supplies Micanite Sheets to meet the specific insulation and thermal management requirements of industrial customers.

Properties for the Micanite Sheet and Rod

Properties
Excellent thermal insulation
Less than 1% water absorption
Easily machinable