IS 9455 : 1980 Classification of muscovite mica blocks, thins and films based on electrical properties

1 Scope

1.1 This standard specifies basis for classification ofmuscovite mica blocks, thins and films based on electricalproperties.

2 References

IS 2 :1960Rules for rounding off numerical values

IS 1175 :1957Methods for grading and classification ofmuscovite mica blocks, thins and films

IS 1885 : Part LIII :1980 Electrotechnical vocabulary:Part LIII Mica

IS 4486 :1967Recommended methods for the determination ofthe permittivity and dielectric dissipationfactor of electrical insulating materials atpower, audio and radio frequencies includingmetre wavelengths