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  • BS 2571:1990

    Current The latest, up-to-date edition.

    Specification for general-purpose flexible PVC compounds for moulding and extrusion

    Available format(s):  Hardcopy, PDF

    Language(s):  English

    Published date:  30-04-1990

    Publisher:  British Standards Institution

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

    Foreword
    Committees responsible
    Specification
    1 Scope
    2 Composition
    3 Classification
    4 Colour fastness
    5 Colour bleeding
    6 Appearance
    7 Physical property requirements
    8 Marking
    Appendices
    A Preparation of milled and moulded sheets and test
       specimen conditioning
    B Relationship between weathering and the different
       grades of colour fastness
    Tables
    1 Physical properties of injection moulding compounds
    2 Physical properties of extrusion compounds
    3 Relationship between softness number and the surface
       temperatures of mill rolls and moulds

    Abstract - (Show below) - (Hide below)

    Updates the grades available, aligns the test methods with ISO test methods as far as possible and introduces grading by colour fastness.

    Scope - (Show below) - (Hide below)

    This British Standard specifies the composition and property requirements for 12 types of general-purpose flexible PVC compounds M1 to M6 used for injection moulding, and E1 to E6 used for moulding and extrusion applications.

    NOTE 1 Chlorinated PVC compounds are not included in this standard.

    NOTE 2 The titles of the publications referred to in this standard are listed on the inside back cover.

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

    Committee PRI/82
    Development Note Supersedes 87/42851 DC and BS 2571(1963). (06/2005) Reviewed and confirmed by BSI, May 2009. (04/2009)
    Document Type Standard
    Publisher British Standards Institution
    Status Current
    Supersedes

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

    BS 2782-3:Methods 320A to 320F:1976 Methods of testing plastics. Mechanical properties Tensile strength, elongation and elastic modulus
    BS 2782-1:Method 151A:1984 Methods of testing plastics. Thermal properties Determination of cold bend temperature of flexible polyvinyl chloride extrusion compound
    BS 2782-5:Method 540B:1982 Methods of testing plastics. Optical and colour properties, weathering Methods of exposure to laboratory light sources, (xenon arc lamp, enclosed carbon arc lamp, open-flame carbon arc lamp, fluorescent tube lamps)
    BS 2782-5.542A(1979) : AMD 10684 METHODS OF TESTING PLASTICS - OPTICAL AND COLOUR PROPERTIES, WEATHERING - QUALITATIVE EVALUATION OF BLEEDING COLOURANTS
    BS 6746:1990 Specification for PVC insulation and sheath of electric cables
    BS 2782-5 Method 540A:1977 Methods of testing plastics. Optical and colour properties, weathering Determination of resistance to change upon exposure under glass to daylight
    BS 2782-1:Method 150B:1976 Methods of testing plastics. Thermal properties Determination of cold flex temperature of flexible polyvinyl compound
    BS 2782-3:Method 365A:1976 Methods of testing plastics. Mechanical properties Determination of softness number of flexible plastics materials
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