About Mica

MICA is the nomenclature given to the irregular lumps of mica as received from the mines having an area between 1/2" and 1 1/2" sq. We export mica mainly to plants all over the world to be made into a pulp used for the manufacturing of mica paper and reconstituted mica plates. It is also used as a raw material for the manufacture of mica flakes and mica powder. There are two forms which are in demand generally; one is the tested/ruby mica (good for calcinations) & another is the untested/white mica (not good for calcinations).

Mica is invaluable in the electrical industry because of its unique combination of physical, chemical and thermal properties, low power loss factor, dielectric constant and dielectric strength. Dieletric strength is the ability to withstand high voltage without puncturing.

Common specifications are 1000 volts and even 1500 volts per millimetre of thickness without puncturing, and mica provides a high factor of safety at these figures. Dielectric constant may be defined as the capacity for momentarily storing electrostatic energy.

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