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JIS C 2254 11th Edition, July 20, 2011
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Rigid mica materials for electric heating equipment
Includes all amendments and changes through Reaffirmation Notice , October 20, 2016
Additional Comments: ENGLISH
Page Count:11
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This Standard specifies requirements for rigid mica materials based on mica splittings or mica paper for application in electric heating equipment (hereafter referred to as "materials").

These products may be made from muscovite or phlogopite mica with a suitable bonding medium.

The binder may be totally driven off in service, giving a material which needs to be supported, or may remain totally or partially, giving a self-supporting material; in this case, the binder shall have the necessary resistance to the operating temperature.

The products may be supplied in sheets, strips or flat pieces. The minimum nominal thickness is 0.30 mm (mica splittings) and 0.20 mm (mica paper).

NOTE: The International Standard corresponding to this Standard and the symbol of degree of correspondence are as follows.

IEC 60371-3-3: 1983 Specification for insulating materials based on mica. Part 3: Specifications for individual materials. Sheet 3 : Rigid mica materials for heating equipment (MOD)

In addition, symbols which denote the degree of correspondence in the contents between the relevant International Standard and JIS are IDT (identical), MOD (modified), and NEQ (not equivalent) according to ISO/IEC Guide 21-1.