ASTM D4487 - 90(2020)

    Standard Test Methods for Analysis of Calcium Borosilicate

    Active Standard ASTM D4487 | Developed by Subcommittee: D01.31

    Book of Standards Volume: 06.03

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    Significance and Use

    3.1 These test methods compile in one place, recommended procedures for analysis of the pigment known commercially as calcium borosilicate. This pigment is used extensively in paints and the composition is important to the user and producer.

    1. Scope

    1.1 These test methods cover the analysis of the pigment commercially known as calcium borosilicate.

    1.2 The test methods appear in the following order:

    Test Methods


    Silicon Dioxide (SiO2)

    6 – 9

    Iron Oxide (Fe2O3)

    10 – 13

    Boron Trioxide (B2O3)

    17 – 20

    Calcium Oxide (CaO)

    21 – 23

    Moisture and Volatile Matter


    Water of Hydration

    25 to 26

    Coarse Particles


    Oil Absorption


    1.3 Individual specimens may be used for the direct determinations of SiO2, B2O3, and CaO. SiO2 and Fe2O3 should be removed before the determination of the B2O3 and CaO.

    1.4 The values stated in SI units are to be regarded as standard. No other units of measurement are included in this standard.

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

    1.6 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

    D185 Test Methods for Coarse Particles in Pigments

    D280 Test Methods for Hygroscopic Moisture (and Other Matter Volatile Under the Test Conditions) in Pigments

    D281 Test Method for Oil Absorption of Pigments by Spatula Rub-out

    D1193 Specification for Reagent Water

    ICS Code

    ICS Number Code 71.060.50 (Salts)

    UNSPSC Code

    UNSPSC Code 31211503(Pigment paints); 12171600(Pigments)

    Referencing This Standard
    Link Here
    Link to Active (This link will always route to the current Active version of the standard.)

    DOI: 10.1520/D4487-90R20

    Citation Format

    ASTM D4487-90(2020), Standard Test Methods for Analysis of Calcium Borosilicate, ASTM International, West Conshohocken, PA, 2020,

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