ASTM D8268 - 19

    Standard Practice for Rubber Compounding Materials—Evaluation of Recycled Vulcanizate Particulate Rubber

    Active Standard ASTM D8268 | Developed by Subcommittee: D11.20

    Book of Standards Volume: 00.01


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    Significance and Use

    4.1 For quality control and classification purposes, it is required to determine the composition of recycled vulcanizate particulate rubber.

    4.2 This practice provides references for standard test methods for composition analysis of rubber and offers a guide for methods widely applied by the recycling industry.

    1. Scope

    1.1 This practice covers the evaluation methods for the compounding material commercially known as recycled vulcanizate particulate rubber. The methods are of general usage in quality control or are needed for the classification of the recycled vulcanizate particulate rubber according to Classification D5603.

    1.2 The values stated in SI units are to be regarded as standard. The values given in parentheses after SI units are provided for information only and are not considered standard.

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

    1.4 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

    D297 Test Methods for Rubber ProductsChemical Analysis

    D1509 Test Methods for Carbon BlackHeating Loss

    D1566 Terminology Relating to Rubber

    D5603 Classification for Rubber Compounding MaterialsRecycled Vulcanizate Rubber

    D5644 Test Method for Rubber Compounding MaterialsDetermination of Particle Size Distribution of Recycled Vulcanizate Particulate Rubber

    E105 Practice for Probability Sampling of Materials

    E122 Practice for Calculating Sample Size to Estimate, With Specified Precision, the Average for a Characteristic of a Lot or Process

    E1131 Test Method for Compositional Analysis by Thermogravimetry


    ICS Code

    ICS Number Code 83.040.01 (Raw materials for rubber and plastics in general)

    Referencing This Standard
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    DOI: 10.1520/D8268-19

    Citation Format

    ASTM D8268-19, Standard Practice for Rubber Compounding Materials—Evaluation of Recycled Vulcanizate Particulate Rubber, ASTM International, West Conshohocken, PA, 2019, www.astm.org

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