Mica after extraction from the mines is sorted out and the pieces having area larger than
1" sq. and up and a having a thickness of 7 mils and up are classified separately as
Mica Blocks. This mica is the basic raw material for all the various types available for
export apart from mica scrap, flakes and powder. These pieces after undergoing size and
quality classification as defined in other pages are exported. Mica blocks are irregular
Pieces of mica block having a thickness range between 2 mils to 7 mils are
classified as mica thins. These are used to manufacture fabricated mica, description of
which has been given elsewhere in this book.
Pieces of high quality mica having thickness generally less than 2 mils are classified as
condensor films. These films are used in the manufacture of silver mica plates used in
Pieces of medium quality mica having a thickness of less than 1 mil are
classified as mica splitting. These splitting are supplied either "Bookform"
type or "Loose" type. These splitting are used in the manufacture of Micanite
related products .
Mica scrap is the nomenclature given to the irregular lumps
of mica as received from the mines having a area between 1/2" and 1 1/2" sq.
This type of mica is mainly exported to plants all over the world to be made into a pulp
used for the manufacturing of mica paper and reconstituted mica plates. Domestically, it
is used as a raw material for the manufacture of mica flakes and powder.