ASTM D6619 - 00(2012)

    Standard Practice for Incorporating Pigments by High Speed Dispersion

    Active Standard ASTM D6619 | Developed by Subcommittee: D01.24

    Book of Standards Volume: 06.01


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    Significance and Use

    High speed dispersion is a commonly used dispersion method in the coatings industry. For the purpose of this practice, high speed would normally be understood to be a range of RPM between 3 000 and 10 000. This practice provides a reference for its use, so that a producer and user can standardize on an incorporation technique. This will minimize differences in the millbase, and allow the interested parties to concentrate on the physical, chemical, or optical methods to be run.

    1. Scope

    1.1 This practice covers the dispersion of pigments using a laboratory size high-speed impeller mill. It is similar in technical content to ISO 8780-3.

    Note 1—This practice is restricted to mill bases of moderately high viscosity due to either high vehicle concentration or high pigment concentration, or both, which can produce high shear force. It is not intended to provide a means of formulating either pilot plant or full-scale mill base compositions (scaling up the process from laboratory equipment to factory mills is not simple).

    1.2 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.

    ISO Standards

    ISO8780-3 Pigments and Extenders--Methods of Dispersion for Assessment of Dispersion Characteristics--Dispersion Using a High Speed Impeller Mill Available from American National Standards Institute (ANSI), 25 W. 43rd St., 4th Floor, New York, NY 10036, http://www.ansi.org.


    ICS Code

    ICS Number Code 87.060.10 (Pigments and extenders)

    UNSPSC Code

    UNSPSC Code 12171600(Pigments)


    DOI: 10.1520/D6619-00R12

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