• ASTM D 7253 : 2016

    Superseded A superseded Standard is one, which is fully replaced by another Standard, which is a new edition of the same Standard.

    Standard Test Method for Polyurethane Raw Materials: Determination of Acidity as Acid Number for Polyether Polyols

    Available format(s):  Hardcopy, PDF

    Superseded date:  30-04-2022

    Language(s):  English

    Published date:  07-09-2016

    Publisher:  American Society for Testing and Materials

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    1.1This test method measures the acidic constituents in polyether polyols and reports the results as acid number. The typical acid number range is 0-0.1 mg KOH/g sample. (See Note 1.)

    1.2The values stated in SI units are to be regarded as standard.

    1.3This standard does not purport to address all of the safety concerns, if any, associated with its use. It is the responsibility of the user of this standard to establish appropriate safety and health practices and determine the applicability of regulatory limitations prior to use.

    Note 1:There is no known ISO equivalent to this standard.

    General Product Information - (Show below) - (Hide below)

    Committee D 20
    Document Type Test Method
    Publisher American Society for Testing and Materials
    Status Superseded
    Superseded By
    Supersedes

    Standards Referencing This Book - (Show below) - (Hide below)

    ASTM E 691 : 2020 Standard Practice for Conducting an Interlaboratory Study to Determine the Precision of a Test Method
    ASTM E 691 : 2019 : EDT 1 Standard Practice for Conducting an Interlaboratory Study to Determine the Precision of a Test Method
    ASTM E 691 : 2009 Standard Practice for Conducting an Interlaboratory Study to Determine the Precision of a Test Method
    ASTM E 691 : 2021 Standard Practice for Conducting an Interlaboratory Study to Determine the Precision of a Test Method
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