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    ASTM D7251-11

    Standard Specification for Color and Appearance Retention of Variegated Color Plastic Siding Products (Withdrawn 2018)

    Withdrawn Standard: ASTM D7251-11 | Developed by Subcommittee: D20.24


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    Withdrawn Rationale:

    This specification establishes requirements and test methods for the color and appearance retention of variegated color plastic siding products.

    Formerly under the jurisdiction of Committee D20 on Plastics, this specification was withdrawn in Mary 2018 and replaced by Specification D7856 for Color and Appearance Retention of Solid and Variegated Color Plastic Siding Products using CIELab Color Space.1

    1. Scope

    1.1 This specification establishes requirements and test methods for the color and appearance retention of variegated color plastic siding products.

    1.2 Color retention testing provides a method for estimating the acceptability of color change in a siding product over a period of years of service.

    1.3 Characterization of color and appearance for variegated colors is complicated by the presence of multiple colors in a random pattern. The procedure is based on using a template to reference six spots for color measurement.

    1.4 Methods of indicating compliance with this specification are provided.

    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.

    Note 1—There is no known ISO equivalent to this 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

    D883 Terminology Relating to Plastics

    D1435 Practice for Outdoor Weathering of Plastics

    D1600 Terminology for Abbreviated Terms Relating to Plastics

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

    E805 Practice for Identification of Instrumental Methods of Color or Color-Difference Measurement of Materials

    G147 Practice for Conditioning and Handling of Nonmetallic Materials for Natural and Artificial Weathering Tests


    Referencing This Standard
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    DOI: 10.1520/D7251-11

    Citation Format

    ASTM D7251-11, Standard Specification for Color and Appearance Retention of Variegated Color Plastic Siding Products (Withdrawn 2018), ASTM International, West Conshohocken, PA, 2011, www.astm.org

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