ASTM D4956 - 13

    Standard Specification for Retroreflective Sheeting for Traffic Control

    Active Standard ASTM D4956 | Developed by Subcommittee: D04.38

    Book of Standards Volume: 04.03


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    1. Scope

    1.1 This specification covers flexible, non-exposed glass bead lens and microprismatic, retroreflective sheeting designed for use on traffic control signs, delineators, barricades, and other devices.

    1.2 The values stated in inch-pound units are to be regarded as standard. The values given in parentheses are mathematical conversions to SI units that are provided for information only and are not considered standard.

    1.3 The following safety hazards caveat pertains only to the test methods portion, Section 7, of this specification. 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

    B209 Specification for Aluminum and Aluminum-Alloy Sheet and Plate

    E2152 Practice for Computing the Colors of Fluorescent Objects from Bispectral Photometric Data

    G7 Practice for Atmospheric Environmental Exposure Testing of Nonmetallic Materials

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

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


    ICS Code

    ICS Number Code 93.080.30 (Road equipment and installations)

    UNSPSC Code

    UNSPSC Code 46181531(Reflective apparel or accessories)


    Referencing This Standard

    DOI: 10.1520/D4956

    ASTM International is a member of CrossRef.

    Citation Format

    ASTM D4956-13, Standard Specification for Retroreflective Sheeting for Traffic Control, ASTM International, West Conshohocken, PA, 2013, www.astm.org

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