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  • BS 874-2.1(1986) : 1986

    Superseded A superseded Standard is one, which is fully replaced by another Standard, which is a new edition of the same Standard.
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    METHODS FOR DETERMINING THERMAL INSULATING PROPERTIES - TEST FOR THERMAL CONDUCTIVITY AND RELATED PROPERTIES - GUARDED HOT-PLATE METHOD

    Available format(s):  Hardcopy, PDF

    Superseded date:  15-03-2001

    Language(s):  English

    Published date:  01-01-1986

    Publisher:  British Standards Institution

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

    Foreword
    Committees responsible
    Method
    0 Introduction
    1 Scope
    2 Definitions
    3 Restrictions on the determination of thermal
        conductivity and resistivity
    4 Principle
    5 Laboratory environment
    6 Apparatus
    7 Test specimens
    8 Procedure
    9 Expression of results
    10 Test report
    Appendices
    A Auxiliary edge guard for guarded hot-plates
    B Description of composite materials
    Figures
    1 Guarded hot-plate apparatus
    2 Typical guarded heater plate
    3 Alternative cold plate designs
    4 Alternative thermocouple and thermopile layouts in
        the guarded heater plate
    5 Linear gradient edge guard

    Abstract - (Show below) - (Hide below)

    Lays down an absolute method for determining the steady-state thermal transmission properties of insulating materials over the temperature range -20 Degrees C to 100 Degrees C using guarded hot-plate apparatus having an overall plate width or diameter greater than 300 mm. If it is necessary to use a hot-plate of another size, then the specimen size and other related parameters will have to be modified proportionately. Covers definitions, restrictions on the determination of thermal conductivity and resistivity, principle, laboratory environment, apparatus, test specimens, procedure, expression of results and test report.

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

    Committee B/540
    Development Note Supersedes BS 874(1983) (07/2004) Supersedes BS 874(1973) & 84/76476 DC. (12/2007)
    Document Type Standard
    Publisher British Standards Institution
    Status Superseded
    Superseded By
    Supersedes

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

    BS 874-2.2(1988) : 1988 METHODS FOR DETERMINING THERMAL INSULATING PROPERTIES - TESTS FOR THERMAL CONDUCTIVITY AND RELATED PROPERTIES - UNGUARDED HOT-PLATE METHOD
    BS 4046(1991) : 1991 SPECIFICATION FOR COMPRESSED STRAW BUILDING SLABS
    BS 7008-1(1988) : 1988 ACQUISITION AND PRESENTATION OF COMPARABLE DATA FOR BASIC PROPERTIES OF PLASTICS - METHOD FOR SINGLE-POINT DATA
    BS 5422(1990) : 1990 METHOD FOR SPECIFYING THERMAL INSULATING MATERIALS ON PIPES, DUCTWORK AND EQUIPMENT (IN THE TEMPERATURE RANGE -40 deg C TO +700 deg C)
    BS 5803-3(1985) : 1985 THERMAL INSULATION FOR USE IN PITCHED ROOF SPACES IN DWELLINGS - PART 3: SPECIFICATION FOR CELLULOSE FIBRE THERMAL INSULATION FOR APPLICATION BY BLOWING
    BS 6993-2(1990) : 1990 THERMAL AND RADIOMETRIC PROPERTIES OF GLAZING - METHOD FOR DIRECT MEASUREMENT OF U-VALUE (THERMAL TRANSMITTANCE)
    BS 5970(1992) : 1992 CODE OF PRACTICE FOR THERMAL INSULATION OF PIPEWORK AND EQUIPMENT (IN THE TEMPERATURE RANGE - 100 DEGREE C TO +870 DEGREE C)
    BS 874-3.2(1990) : 1990 METHODS FOR DETERMINING THERMAL INSULATING PROPERTIES - TESTS FOR THERMAL TRANSMITTANCE AND CONDUCTANCE - CALIBRATED HOT-BOX METHOD
    BS 874(1973) : 1973 METHODS FOR DETERMINING THERMAL INSULATING PROPERTIES WITH DEFINITIONS OF THERMAL INSULATING TERMS
    BS 4745(1990) : 1990 METHOD FOR DETERMINATION OF THERMAL RESISTANCE OF TEXTILES
    BS 4370-2(1993) : 1993 METHODS OF TEST FOR RIGID CELLULAR MATERIALS - METHODS 7 TO 9
    BS 903-1(1995) : 1995 PHYSICAL TESTING OF RUBBER - GUIDE TO THE SELECTION AND USE OF METHODS OF TEST FOR RUBBER
    BS 5669-4(1989) : 1989 PARTICLEBOARD - SPECIFICATION FOR CEMENT BONDED PARTICLEBOARD
    BS 874-3.1(1987) : 1987 METHODS FOR DETERMINING THERMAL INSULATING PROPERTIES - TESTS FOR THERMAL TRANSMITTANCE AND CONDUCTANCE - GUARDED HOT-BOX METHOD
    DEFSTAN 02-804(PT2)/1(2000) : 2000 REQUIREMENTS FOR CORK THERMAL INSULATION MATERIAL - PART 2: CORK PRODUCTS CORK SLABS NON-FIRE RETARDED
    DEFSTAN 02-804(PT1)/1(2000) : 2000 REQUIREMENTS FOR CORK THERMAL INSULATION MATERIAL - PART 1: CORK PRODUCTS COMPOSITION CORK SHEET FIRE RETARDED
    BS 5422:1990 Method for specifying thermal insulating materials on pipes, ductwork and equipment (in the temperature range -40C to +700C)

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

    BS 817(1988) : 1988 SPECIFICATION FOR SURFACE PLATES
    BS 874-1(1986) : 1986 METHODS FOR DETERMINING THERMAL INSULATING PROPERTIES - INTRODUCTION, DEFINITIONS AND PRINCIPLES OF MEASUREMENT
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