ASTM D643-97(2007)

    Withdrawn Standard: ASTM D643-97(2007) Standard Test Method for Folding Endurance of Paper by the Schopper Tester (Withdrawn 2010)

    Developed by Subcommittee: D06.92

    WITHDRAWN, NO REPLACEMENT

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    Withdrawn Rationale:

    This test method describes the use of the Schopper type of folding apparatus. It is suitable for papers having a thickness of 0.25 mm (0.010 in.) or less.

    Formerly under the jurisdiction of Committee D06 on Paper and Paper Products, this test method was withdrawn in May 2010 because equivalent TAPPI and ISO publications exist.

    1. Scope

    1.1 This test method describes the use of the Schopper type of folding apparatus. It is suitable for papers having a thickness of 0.25 mm (0.010 in.) or less.

    1.2 The procedure for the M.I.T.-type apparatus is given in Test Method D 2176.

    1.3 This 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.


    2. Referenced Documents (purchase separately) The documents listed below are referenced within the subject standard but are not provided as part of the standard.

    ASTM Standards

    D585 Practice for Sampling and Accepting a Single Lot of Paper, Paperboard, Fiberboard, and Related Product

    D685 Practice for Conditioning Paper and Paper Products for Testing

    D776 Test Method for Determination of Effect of Dry Heat on Properties of Paper and Board

    D1968 Terminology Relating to Paper and Paper Products

    D2176 Test Method for Folding Endurance of Paper by the M.I.T. Tester

    D4714 Test Method for Determination of Effect of Moist Heat (50 % Relative Humidity and 90C) on Properties of Paper and Board

    E122 Practice for Calculating Sample Size to Estimate, With Specified Precision, the Average for a Characteristic of a Lot or Process

    ISO Standard

    ISO5626 Paper Determination of Folding Endurance


    DOI: 10.1520/D0643-97R07

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