DS/EN 60371-3-1:2007

Specification for insulating materials based on mica - Part 3: Specifications for individual materials - Sheet 1: Commutator separators and materials

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This sheet of IEC 60371-3 applies to several types of rigid materials based on mica splittings or mica paper for commutator separators. These products shall be made from muscovite or phlogopite mica, built up from mica splittings or mica paper by the use of a suitable bonding medium. They are supplied in the following forms:
– sheets in the dimensions in which they are pressed or after trimming;
– strips cut from sheets;
– commutator separators having the shapes and dimensions and in the conditions ordered by the user.
The normal manufacturing thicknesses lie between 0,3 mm and 2 mm.
Materials which conform to this specification meet established levels of performance.
However, the selection of material by a user for a specific application should be based on the
actual requirements necessary for adequate performance in that application and not based on
this specification alone.
Safety warning:
It is the responsibility of the user of the methods contained or referred to in this document to
ensure that they are used in a safe manner.

Number of pages: 20

Published: 2007-03-28

Date of approval: 2007-01-26

International relationships : EN 60371-3-1:2006 IDT IEC 60371-3-1:2006 IDT

ICS: 29.035.50 - Mica based materials

Item number: M201031



  • CLC/SR 15
  • IEC/TC 15

Danish committee