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BS 3057

58th Edition, December 31, 1958

Complete Document

Specification for untreated asbestos paper for electrical purposes

Includes all amendments and changes through Amendment 1, September 1977


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W/D NO S/S
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Product Details:

  • Revision: 58th Edition, December 31, 1958
  • Published Date: September 1977
  • Status: Not Active, See comments below
  • Document Language: English
  • Published By: British Standards Institution (BSI)
  • Page Count: 29
  • ANSI Approved: No
  • DoD Adopted: No

Description / Abstract:

Two types depending on amount of organic binder; second type has greater mechanical strength and minimum number of conducting paths. Thicknesses 5 to 10 mils, surface finish. Tests for thickness, substance, electric strength, tensile strength, bursting strength after ageing, moisture content, freedom from conducting paths, loss of weight on ignition.