• BS ISO 1658:2015

    Superseded A superseded Standard is one, which is fully replaced by another Standard, which is a new edition of the same Standard.

    Natural rubber (NR). Evaluation procedure

    Available format(s):  Hardcopy, PDF

    Superseded date:  04-04-2022

    Language(s):  English

    Published date:  31-07-2015

    Publisher:  British Standards Institution

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

    Foreword
    1 Scope
    2 Normative references
    3 Sampling and further preparative procedures
    4 Physical and chemical tests on raw rubber
    5 Preparation of test mix
    6 Evaluation of vulcanization characteristics by a
      curemeter test
    7 Evaluation of tensile stress-strain properties of
      vulcanized test mixes
    8 Test report
    Annex A (normative) - Procedure for preparing gum
            compounds through use of masterbatches
    Annex B (informative) - Precision statement for both
            mill and internal mixer
    Bibliography

    Abstract - (Show below) - (Hide below)

    Explains: - physical and chemical tests on raw natural rubbers; and - standard materials, standard test formulae, equipment and processing methods for evaluating the vulcanization characteristics of natural rubber (NR).

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

    Committee PRI/50
    Development Note Supersedes BS 5738(1980) & 07/30090853 DC. (10/2009)
    Document Type Standard
    Publisher British Standards Institution
    Status Superseded
    Superseded By
    Supersedes

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

    ISO 248-1:2011 Rubber, raw Determination of volatile-matter content Part 1: Hot-mill method and oven method
    ISO 23529:2016 Rubber General procedures for preparing and conditioning test pieces for physical test methods
    ISO 6502:2016 Rubber Guide to the use of curemeters
    ISO 1795:2017 Rubber, raw natural and raw synthetic — Sampling and further preparative procedures
    ISO 289-1:2015 Rubber, unvulcanized Determinations using a shearing-disc viscometer Part 1: Determination of Mooney viscosity
    ISO 2007:2007 Rubber, unvulcanized Determination of plasticity Rapid-plastimeter method
    ISO 2393:2014 Rubber test mixes — Preparation, mixing and vulcanization — Equipment and procedures
    ISO 37:2017 Rubber, vulcanized or thermoplastic — Determination of tensile stress-strain properties
    ISO 2000:2014 Rubber, raw natural Guidelines for the specification of technically specified rubber (TSR)
    ISO/TR 9272:2005 Rubber and rubber products Determination of precision for test method standards
    ISO 3417:2008 Rubber Measurement of vulcanization characteristics with the oscillating disc curemeter
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