ASTM D6738 - 11

    Standard Test Method for Precipitated Silica - Volatile Content

    Active Standard ASTM D6738 | Developed by Subcommittee: D11.20

    Book of Standards Volume: 09.01


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    Significance and Use

    The volatiles content of a precipitated silica may affect the processing properties of a rubber mixture containing silica and the properties of the final product.

    1. Scope

    1.1 This test method covers a procedure to determine the volatile content of precipitated hydrated silicas. These volatiles are generally excess water adsorbed onto the surface of the silica. This test method does not determine water of hydration of the silica.

    1.2 The values stated in SI units are to be regarded as the standard. The values in parentheses are for information only.

    1.3 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

    E177 Practice for Use of the Terms Precision and Bias in ASTM Test Methods

    E691 Practice for Conducting an Interlaboratory Study to Determine the Precision of a Test Method


    ICS Code

    ICS Number Code 71.100.55 (Silicones)

    UNSPSC Code

    UNSPSC Code


    Referencing This Standard

    DOI: 10.1520/D6738-11

    ASTM International is a member of CrossRef.

    Citation Format

    ASTM D6738-11, Standard Test Method for Precipitated Silica - Volatile Content, ASTM International, West Conshohocken, PA, 2011, www.astm.org

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