ASTM WK43751

    Work Item: ASTM WK43751 - Revision of D5523 - 10 Standard Test Method for Polyurethane Raw Materials Acidity by Argentometric Determination of Hydrolyzable Chlorine in Monomeric, Aromatic Isocyanates

    (What is a Work Item?)

    Active Standard: D5523 - 10

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



    1. Rationale

    5 year review


    Keywords

    acidity; HC; hydrolyzable chlorine; isocyanates; isocyanates aromatic; MDI; methylene-bis-(4-phenylisocyanate); methylene di(phenylisocyanate); polyurethane; raw materials; TDI; test method; titration; toluene diisocyanate; Acidity, alkalinity, pH--plastics; Argentometric determination; Aromatic isocyanates; Chlorine content--plastics; Hydrolyzable chlorine; Isocyanates; MDI (methylenediphenyldiisocyanate); Methylene-bis-(4-phenylisocyanate); Polyurethane raw materials--isocyanates; Toluene diisocyanate (TDI);
    Citing ASTM Standards
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    Work Item Status

    Date Initiated:
    10-22-2013

    Technical Contact:
    David Mullen

    Status:
    Draft Under Development