• BS 5626-2:1979

    Superseded A superseded Standard is one, which is fully replaced by another Standard, which is a new edition of the same Standard.

    Cellulosic papers for electrical purposes Methods of test

    Available format(s):  Hardcopy, PDF

    Superseded date:  19-06-2002

    Language(s):  English

    Published date:  31-01-1979

    Publisher:  British Standards Institution

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

    National foreword
    Cooperating organizations
    Introduction and scope
    1. General notes on tests
    2. Thickness
    3. Substance (mass per square metre, basic weight or
         grammage)
    4. Apparent density
    5. Tensile strength and elongation
    6. Internal tearing resistance
    7. Edge tearing resistance
    8. Bursting strength
    9. Folding endurance
    10. Moisture content
    11. Ash
    12. Conductivity of aqueous extract
    13. pH of aqueous extract
    14. Chloride content of aqueous extract
    15. Sulphate content
    16. Conductivity of organic extract
    17. Dissipation factor of organic extract
    18. Air permeability
    19. Water and oil absorption (Klemm method)
    20. Oil absorption (modified Cobb method)
    21. Electric strength
    22. Dissipation factor and permittivity of
         unimpregnated and impregnated paper
    23. Conducting paths
    24. Heat stability
    Figures

    Abstract - (Show below) - (Hide below)

    Test methods to be used in testing cellulosic papers for electrical purposes for compliance with the requirements of BS 5626-3.

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

    Committee GEL/15
    Development Note REPLACES BS 698:1956 AND BS 2689:1956.
    Document Type Standard
    Publisher British Standards Institution
    Status Superseded
    Superseded By
    Supersedes

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

    BS 5593:1978 Specification for impregnated paper-insulated cables with aluminium sheath/neutral conductor and three shaped solid aluminium phase conductors (CONSAC), 600/1000 V, for electricity supply
    BS 5626-1:1979 Cellulosic papers for electrical purposes Definitions and general requirements
    BS 2924-2:1992 Aqueous extracts of paper, board and pulp Determination of conductivity
    BS 5626-3.2:1985 Cellulosic papers for electrical purposes. Specification for individual materials Capacitor paper
    BS 5626-3.4:1980 Cellulosic papers for electrical purposes. Specifications for individual materials Electrolytic capacitor paper
    BS 5626-3.5:1995 Cellulosic papers for electrical purposes. Specification for individual materials Special papers
    BS 6480:1988 Specification for impregnated paper-insulated lead or lead alloy sheathed electric cables of rated voltages up to and including 33000 V
    BS 6388-2:1987 Accelerated ageing of paper and board Method for dry heat treatment at 120°C or 150°C
    BS 6091-2:1987 Vulcanized fibre for electrical purposes Methods of test
    BS 7824-3.3:1995 Non-cellulosic papers for electrical purposes. Specifications for individual materials Unfilled aramid (aromatic polyamide) papers
    BS 5626-3.1:1981 Cellulosic papers for electrical purposes. Specifications for individual materials General purpose paper
    BS 5626-3.3:1982 Cellulosic papers for electrical purposes. Specification for individual materials Crepe paper

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

    BS 5691-1:1979 Guide for the determination of thermal endurance properties of electrical insulating materials General procedures for the determination of thermal endurance properties, temperature indices and thermal endurance profiles
    IEC 60250:1969 Recommended methods for the determination of the permittivity and dielectric dissipation factor of electrical insulating materials at power, audio and radio frequencies including metre wavelengths
    IEC 60450:2004+AMD1:2007 CSV Measurement of the average viscometric degree of polymerization of new and aged cellulosic electrically insulating materials
    ISO 2758:2014 Paper Determination of bursting strength
    IEC 60243:1967 Recommended methods of test for electric strength of solid insulating materials at power frequencies
    ISO 438:1980 Paper Determination of bulking thickness and apparent density
    BS 5626-3.3:1982 Cellulosic papers for electrical purposes. Specification for individual materials Crepe paper
    BS 4415-1:1985 Determination of the tensile properties of paper and board. Constant rate of loading method
    IEC 60296:2012 RLV Fluids for electrotechnical applications - Unused mineral insulating oils for transformers and switchgear
    BS 5626-3.4:1980 Cellulosic papers for electrical purposes. Specifications for individual materials Electrolytic capacitor paper
    ISO 2144:2015 Paper, board and pulps Determination of residue (ash) on ignition at 900 degrees C
    IEC 60216-4:1980 Guide for the determination of thermal endurance properties of electrical insulating materials - Part 4: Instructions for calculating the thermal endurance profile
    ISO 536:2012 Paper and board Determination of grammage
    BS 5626-3.1:1981 Cellulosic papers for electrical purposes. Specifications for individual materials General purpose paper
    ISO 287:2017 Paper and board — Determination of moisture content of a lot — Oven-drying method
    ISO 534:2011 Paper and board — Determination of thickness, density and specific volume
    ISO 535:2014 Paper and board — Determination of water absorptiveness — Cobb method
    ISO 1924:1976 Paper and board Determination of tensile strength
    IEC 60216-3-1:1990 Guide for the determination of thermal endurance properties of electrical insulating materials. Part 3: Instructions for calculating thermal endurance characteristics - Section 1: Calculations using mean values of normally distributed complete data
    BS 3983-2:1982 Thickness and apparent density of paper and board Method for determining the single sheet thickness of paper and board and apparent density of board
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