ASTM D1366 - 86(2019)

    Standard Practice for Reporting Particle Size Characteristics of Pigments

    Active Standard ASTM D1366 | Developed by Subcommittee: D01.31

    Book of Standards Volume: 06.03


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    Significance and Use

    4.1 This practice is of value (1) to the producer of fine particles as a means of reporting particle characteristics with respect to quality control and (2) to the buyer to assure that the particle size and particle size distribution meet his requirements.

    1. Scope

    1.1 This practice for reporting the fineness characteristics of pigments is designed to apply in most cases where well-known methods for determining these particle size characteristics in the subsieve range are employed, such as microscopic, sedimentation, and turbidimetric methods; and partially to absorption and permeability methods.

    1.2 Laminar, plate-like pigments and composite pigments having a definite bimodal distribution are not considered within the scope of this practice.

    1.3 Parameters—The fineness characteristics are reported in the following three parameters:

    1.3.1 Particle Size Parameter.

    1.3.2 Coarseness Parameter—A parameter descriptive of the coarseness character of the pigment, making use of a limiting value in the subsieve range similar to that used in the sieve ranges.

    1.3.3 Dispersion Parameter—A parameter descriptive of the uniformity of the particle size distribution.

    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, health, and environmental practices and determine the applicability of regulatory limitations prior to use.

    1.5 This international standard was developed in accordance with internationally recognized principles on standardization established in the Decision on Principles for the Development of International Standards, Guides and Recommendations issued by the World Trade Organization Technical Barriers to Trade (TBT) Committee.


    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

    E20 Practice for Particle Size Analysis of Particulate Substances in the Range of 0.2 to 75 Micrometres by Optical Microscopy


    ICS Code

    ICS Number Code 19.120 (Particle size analysis. Sieving)

    UNSPSC Code

    UNSPSC Code 12171600(Pigments)


    Referencing This Standard
    Link Here
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    DOI: 10.1520/D1366-86R19

    Citation Format

    ASTM D1366-86(2019), Standard Practice for Reporting Particle Size Characteristics of Pigments, ASTM International, West Conshohocken, PA, 2019, www.astm.org

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