ASTM WK43914

    Revision of D1709 - 09 Standard Test Methods for Impact Resistance of Plastic Film by the Free-Falling Dart Method

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    Active Standard: D1709 - 09

    Developed by Subcommittee: D20.19 | Committee D20 | Contact Staff Manager



    WK43914

    1. Rationale

    (edited 6/25/14 CEB) The intent is to revise the scope of ASTM D1709 to allow dart weights above 2 Kg for both test methods A and B. Improvements in polymer performance and availability have resulted in plastic films with impact resistance greater than 2 Kg. A task group within subcommittee D20.19 was set up to discuss potential technical issues around the use a heavier darts and determine what weight limits, if any, should be included in this standard. Consensus was to move ahead with a weight increase to 6Kg. Modifications to the test apparatus to use a heavier dart are likely minimal, but may need to be defined in future revisions of the standard. This revision is also necessary to address a contradiction with the requirements of ASTM E1745-11 Standard Specification for Plastic Water Vapor Retarders Used in Contact with Soil or Granular Fill Under Concrete Slabs. Performance class A as listed in Table 1 of that standard requires a minimum Impact Resistance of 2.2 Kg.


    Keywords

    drop dart; impact; plastic film; Free-falling dart method; Impact resistance--plastics; Plastic sheet and film; Polyethylene (PE) sheet and film;
    Citing ASTM Standards
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    Work Item Status

    Date Initiated:
    11-02-2013

    Technical Contact:
    Clint Boerhave

    Status:
    Draft Under Development