ASTM D7944 - 15

    Standard Practice for Recovery of Emulsified Asphalt Residue Using a Vacuum Oven

    Active Standard ASTM D7944 | Developed by Subcommittee: D04.42

    Book of Standards Volume: 04.03

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    Significance and Use

    4.1 This practice can be used to obtain residues of emulsified asphalts. The residue may be used for further testing.

    4.2 As approximately 5 g of residue is typically obtained, limited testing is possible.

    Note 1: Rheological characterization as described in Test Methods D7175 and D7405 are suitable test methods. Additional test methods are being developed suited to the small amounts of residue obtained.

    1. Scope

    1.1 This practice is suitable for recovery of the residue of emulsified asphalts composed principally of a semisolid or liquid asphaltic base, water and an emulsifying agent. Asphalt base may be pre-modified with polymeric modifiers or latex polymer modifiers may be incorporated into the emulsified asphalt through co-milling or post emulsified asphalt production blending.

    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.

    AASHTO Standards

    PP 72 Standard Practice for Recovery Residue from Emulsified Asphalt Using Low-Temperature Evaporative Techniques

    R28 Accelerated Aging of Asphalt Binder Using a Pressurized Aging Vessel (PAV)

    ASTM Standards

    D244 Test Methods and Practices for Emulsified Asphalts

    D7175 Test Method for Determining the Rheological Properties of Asphalt Binder Using a Dynamic Shear Rheometer

    D7405 Test Method for Multiple Stress Creep and Recovery (MSCR) of Asphalt Binder Using a Dynamic Shear Rheometer

    ICS Code

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

    UNSPSC Code

    UNSPSC Code 30121601(Asphalt)

    Referencing This Standard
    Link Here
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    DOI: 10.1520/D7944-15

    Citation Format

    ASTM D7944-15, Standard Practice for Recovery of Emulsified Asphalt Residue Using a Vacuum Oven, ASTM International, West Conshohocken, PA, 2015,

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