ASTM WK41768

    Revision of D7330 - 11e1 Standard Test Method for Assessment of Surface Appearance Change in Pile Floor Coverings Using Standard Reference Scales

    (What is a Work Item?)

    Active Standard: D7330 - 15

    Developed by Subcommittee: D13.21 | Committee D13 | Contact Staff Manager


    1. Rationale

    The Illumination System tolerance shall be changed due to the variation between various light meters. The calculation and the expression of test results are being changed to reflect better precision and bias, that was noted on an Inter-laboratory study conducted for the standard. The list of the Surface Appearance Scales from the Carpet and Rug Institute has changed and shall be revised.


    carpet ; crushing; change in surface appearance; finished pile yarn floor covering; floor covering; loop pile yarn floor covering; matting; pile; pile yarn floor covering ; textile floor covering; Foot traffic; Carpets; Matting; Pile yarn floor coverings;
    Citing ASTM Standards
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    Work Item Status

    Date Initiated:

    Technical Contact:
    Richard Turner


    D13 (14-04)

    Ballot Item Approved as D7330-2015 and Pending Publication