ASTM WK71565

    Revision of D412 - 16 Standard Test Methods for Vulcanized Rubber and Thermoplastic Elastomers—Tension

    (What is a Work Item?)

    Active Standard: D412 - 16

    Developed by Subcommittee: D11.10 | Committee D11 | Contact Staff Manager



    WK71565


    Keywords

    elongation; set after break; tensile properties; tensile set; tensile strength; tensile stress; yield point;;

    Rationale

    1.Rationale:As a result from a negative comment from a previous ballot we have removed section 11.1.5.4 as shown below: 11.1.5.4 The extensometer grips shall be placed at a distance equal to the grip separation listed 2.The grip separation and extensometer placement has been often discussed, but never addressed. The revision to 6.1 and the addition of Table 1 addresses the standardization of grip separation. 3.Benchmarking is not required when using an extensometer and has been noted, reduces the distance for benchmarking highly elastic materials, and the extensometer placement specified (11.1.5.1, 11.1.5.2 and 11.1.5.3). Only the highlighted text is being balloted.

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    Work Item Status

    Date Initiated:
    01-23-2020

    Technical Contact:
    Margaret Stephens

    Item:
    001

    Ballot:
    D11 (20-02)

    Status:
    Negative Votes Need Resolution