ASTM WK72433

    Revision of D543 - 20 Standard Practices for Evaluating the Resistance of Plastics to Chemical Reagents

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    Active Standard: D543 - 20

    Developed by Subcommittee: D20.50 | Committee D20 | Contact Staff Manager



    appearance; chemical reagent; color; dimensional changes; exposure; mechanical property changes; plastics; stress;;


    Remove reference for ESCR frame holders to be of stainless steel, as in practice, several materials are used, as was pointed out by a member during 5 year review. Add back concentrated sulfuric acid as a standard reagent, it was erroneously deleted during the recent 5 year review. Consider any other minor improvements to ASTM D543-20 during this process.

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    Work Item Status

    Date Initiated:

    Technical Contact:
    Girish Grover

    Draft Under Development