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    ASTM F470-89(2009)

    Standard Practice for Caking Temperature of Dry Electrostatic Toner (Withdrawn 2017)

    Withdrawn Standard: ASTM F470-89(2009) | Developed by Subcommittee: F05.04


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    Withdrawn Rationale:

    This practice covers the determination of the temperature at which a dry toner will cake as storage temperatures are raised.

    Formerly under the jurisdiction of Committee F05 on Business Imaging Products, this practice was withdrawn in June 2017 in accordance with Section 10.6.3 of the Regulations Governing ASTM Technical Committees, which requires that standards shall be updated by the end of the eighth year since the last approval date.

    1. Scope

    1.1 This practice covers the determination of the temperature at which a dry toner will cake as storage temperatures are raised.

    1.2 In certain cases the effects of pressure or pressure combined with heat can cause blocking and caking of a dry toner. This recommended practice does not provide for evaluation of such pressure effects.

    1.3 This practice consists of testing samples at controlled temperatures and evaluating them for any sign of blocking after a specified period.

    1.4 The values stated in SI units are to be regarded as standard. No other units of measurement are included in this standard.

    1.5 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.



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    DOI: 10.1520/F0470-89R09

    Citation Format

    ASTM F470-89(2009), Standard Practice for Caking Temperature of Dry Electrostatic Toner (Withdrawn 2017), ASTM International, West Conshohocken, PA, 2009, www.astm.org

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