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    ASTM F1945-05(2011)

    Standard Practice for Determining the Lightfastness of Ink Jet Prints Exposed to Indoor Fluorescent Lighting (Withdrawn 2020)

    Withdrawn Standard: ASTM F1945-05(2011) | Developed by Subcommittee: F05.07


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    Withdrawn Rationale:

    This practice covers an accelerated procedure intended to determine the lightfastness of ink jet prints in office environments where overhead fluorescent light is used for illumination.

    Formerly under the jurisdiction of Committee F05 on Business Imaging Products, this practice was withdrawn in January 2020 in accordance with section 10.6.3 of the Regulations Governing ASTM Technical Committees, which requires that standards shall be updated by the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 an accelerated procedure intended to determine the lightfastness of ink jet prints in office environments where overhead fluorescent light is used for illumination.

    1.2 This practice describes two methods based on Method II and Method III from D4674, in which specimens are exposed to cool white VHO fluorescent lamps (Method II) and cool white fluorescent lamps (Method III) under controlled environmental conditions.

    1.3 Two criteria are used to determine relative lightfastness: color change and optical density.

    1.4  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. Specific precautionary statements are given in Section 8.

    1.5 There is no known ISO equivalent standard.



    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

    D1729 Practice for Visual Appraisal of Colors and Color Differences of Diffusely-Illuminated Opaque Materials

    D2244 Practice for Calculation of Color Tolerances and Color Differences from Instrumentally Measured Color Coordinates

    D3424 Practice for Evaluating the Relative Lightfastness and Weatherability of Printed Matter

    D4674 Practice for Accelerated Testing for Color Stability of Plastics Exposed to Indoor Office Environments

    G113 Terminology Relating to Natural and Artificial Weathering Tests of Nonmetallic Materials

    G141 Guide for Addressing Variability in Exposure Testing of Nonmetallic Materials

    G151 Practice for Exposing Nonmetallic Materials in Accelerated Test Devices that Use Laboratory Light Sources

    G154 Practice for Operating Fluorescent Light Apparatus for UV Exposure of Nonmetallic Materials


    Referencing This Standard
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    DOI: 10.1520/F1945-05R11

    Citation Format

    ASTM F1945-05(2011), Standard Practice for Determining the Lightfastness of Ink Jet Prints Exposed to Indoor Fluorescent Lighting (Withdrawn 2020), ASTM International, West Conshohocken, PA, 2011, www.astm.org

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