ASTM D1665 - 98(2009)

    Standard Test Method for Engler Specific Viscosity of Tar Products

    Active Standard ASTM D1665 | Developed by Subcommittee: D04.43

    Book of Standards Volume: 04.03


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    Significance and Use

    This test method is useful in characterizing the consistency of tar and tar distillates by measuring their flow properties. It is applicable to materials that are readily liquid at temperatures up to 100°C.

    1. Scope

    1.1 This test method covers the determination of specific viscosity of tars and their fluid products. It does not determine absolute viscosity, but is an empirical flow test. Only by conforming strictly to requirements of the test method are reproducible results obtained.

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

    D140 Practice for Sampling Bituminous Materials

    E1 Specification for ASTM Liquid-in-Glass Thermometers

    E11 Specification for Woven Wire Test Sieve Cloth and Test Sieves


    ICS Code

    ICS Number Code 91.100.50 (Binders. Sealing materials); 93.080.20 (Road construction materials)

    UNSPSC Code

    UNSPSC Code 30121700(Road and railroad construction materials)


    DOI: 10.1520/D1665-98R09

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