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BS 698:1956

Date published:

Specification. Papers for electrical purposes

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Ten classes of electrical insulating papers, excluding varnished papers, asbestos papers, and papers used in the manufacture of cables. Limiting values for thickness, substance, electric strength, mineral ash, conductivity of water extract, heat-ageing (assessed by decrease of bursting strength or tearing strength) and freedom from conducting paths (capacitor tissue paper only). Ranges of values for tensile strength, tearing strength (optional requirements), oil absorption, air permeability and pH val ue. Test methods (including optional test for chloride content), methods of conditioning and heat-ageing appended.

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  • BS 5626-1:1979

    Cellulosic papers for electrical purposes, Definitions and general requirements

  • BS 5626-3.1:1981

    Cellulosic papers for electrical purposes. Specifications for individual materials, General purpose paper

  • BS 5626-3.2:1985

    Cellulosic papers for electrical purposes. Specification for individual materials, Capacitor paper

  • BS 5626-3.3:1982

    Cellulosic papers for electrical purposes. Specification for individual materials, Crepe paper

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BS 698:1956

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