ASTM WK67762

    Revision of D4877 - 14 Standard Test Method for Polyurethane Raw Materials: Determination of APHA Color in Isocyanates

    (What is a Work Item?)

    Active Standard: D4877 - 19

    Developed by Subcommittee: D20.22 | Committee D20 | Contact Staff Manager



    WK67762


    Keywords

    APHA; color; isocyanates; platinum-cobalt scale polyurethane raw materials; Pt/Co scale;;

    Rationale

    Five Year Review

    Citing ASTM Standards
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    Work Item Status

    Date Initiated:
    04-04-2019

    Technical Contact:
    David Mullen

    Item:
    017

    Ballot:
    D20 (19-03)

    Status:
    Ballot Item Approved as D4877-2019 and Pending Publication