Mica Sheet

Mica Sheet

Mica Sheet come in two mineral types of mica, Muscovite and Phlogopite. We can deliver both in rigid or flexible sheets, depending on what you intend to use them for. The standard size is 1000 x 1200mm or 1000 x 2400mm. Typically, mica’s plate-like form lends itself to superior insulation and electrical and chemical resistance. These properties are especially useful when using mica in sheet form as a durable reinforcing agent.

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Product Description


mica sheets are used for high-performance thermal and electrical insulation in a broad range of industries such as              

 •heating elements for electrical & thermo mechanical equipment

 ▪construction of induction, arc or high frequency furnaces

 •high voltage applications

 •high thermal applications

 •industrial sealing & gasket industries (e.g. oil & gas distribution)

Produced as rectangular board and sheet, rigid mica sheets have several crucial applications, which vary from industrial furnace manufacturing to simple domestic appliances such as hairdryers.

They provide outstanding electrical insulation under high temperatures. For this reason, mica sheets work well as insulation material where heat meets electrical current.

Efficient, effective insulation is vital to ensuring that the application operates at its best, safe and most cost-effective.

Mica sheets in their rigid form are therefore most suitable for the furnace construction stage, rather than for relining purposes.

They are resistant to high temperature cycles, making them well suited to electrically heated items such as automatic toasters, tumble dryers and band heaters.

Rigid mica sheets come in two grades:

  •MR SSP with a heat resistance of 1200°C; and
  •MR SSM with a heat resistance of 1000°C.
Sheet thickness ranges between 0.10 and 50mm. Sheets are available in 1.2 m square or 2.4 m rectangular shapes.

Supply Form:
Thickness: 0.1mm – 101.6 mm
(tolerances 2-5mm +/- 7%, 5-30mm +/- 5%, 30-80mm +/- 3%)

Sizes: 1000 mm widths, max. 2400 mm lengths

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