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  • BS 5937-2:1980

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    Withdrawn A Withdrawn Standard is one, which is removed from sale, and its unique number can no longer be used. The Standard can be withdrawn and not replaced, or it can be withdrawn and replaced by a Standard with a different number.
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    Pressboard and presspaper for electrical purposes Methods of test

    Available format(s):  Hardcopy, PDF

    Withdrawn date:  15-05-1996

    Language(s):  English

    Published date:  30-06-1980

    Publisher:  British Standards Institution

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    Table of Contents - (Show below) - (Hide below)

    National foreword
    Cooperating organizations
    Methods of test
    1 General notes on tests
    2 Thickness
    3 Apparent density
    4 Tensile strength and elongation
    5 Internal tearing resistance
    6 Edge tearing resistance
    7 Compressibility
    8 Flexibility
    9 Shrinkage
    10 Cohesion between plies
    11 Moisture content
    12 Ash content
    13 Conductivity of aqueous extract
    14 pH of aqueous extract
    15 Conductivity of organic extract
    16 Contamination of liquid dielectrics
    17 Oil absorption
    18 Conducting paths
    19 Presence of metallic particles
    20 Electric strength
    21 D.C. electric strength (under consideration)
    22 Impulse electric strength (under consideration)
    Figures

    Abstract - (Show below) - (Hide below)

    Covers solid pressboard and presspaper, dyed or natural coloured, having a calendered or non-calendered finish and supplied in an unimpregnated condition. Includes pre-compressed pressboard but excludes laminated material and strawboard.

    General Product Information - (Show below) - (Hide below)

    Committee GEL/15
    Development Note IMPLEMENTS CENELEC HD 410.2.
    Document Type Standard
    Publisher British Standards Institution
    Status Withdrawn
    Superseded By

    Standards Referenced By This Book - (Show below) - (Hide below)

    BS 5691-2:1995 Guide for the determination of thermal endurance properties of electrical insulating materials Choice of test criteria
    BS 6091-2:1987 Vulcanized fibre for electrical purposes Methods of test

    Standards Referencing This Book - (Show below) - (Hide below)

    ISO 1974:2012 Paper — Determination of tearing resistance — Elmendorf method
    IEC 60296:2012 RLV Fluids for electrotechnical applications - Unused mineral insulating oils for transformers and switchgear
    IEC 60247:2004 Insulating liquids - Measurement of relative permittivity, dielectric dissipation factor (tan d) and d.c. resistivity
    ISO 1924:1976 Paper and board Determination of tensile strength
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