ASTM D6934-22

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.
Designation:D6934 −22
Standard Test Method for
1
Residue by Evaporation of Emulsified Asphalt
This standard is issued under the fixed designation D6934; the number immediately following the designation indicates the year of
original adoption or, in the case of revision, the year of last revision. A number in parentheses indicates the year of last reapproval. A
superscript epsilon (´) indicates an editorial change since the last revision or reapproval.
1. Scope 3. Significance and Use
3.1 The test may be used to indicate compositional charac-
1.1 This test method covers the quantitative determination
teristics of emulsified asphalt. Evaporation residue may also be
of residue in emulsified asphalts composed principally of a
subjected to other characterization tests.
semisolid or liquid asphaltic base, water, and an emulsifying
agent.
3.2 This test method for residue by evaporation tends to
giveanasphalticresiduelowerinpenetrationandductilitythan
1.2 The values stated in SI units are to be regarded as
the distillation test method (D6997). Material may be accepted
standard. No other units of measurement are included in this
but shall not be rejected as failing to meet specifications
standard.
containing requirements for determination of residue by
1.3 The text of this standard references notes and footnotes distillation, on data obtained by evaporation. If residue from
which provide explanatory material. These notes and footnotes
evaporation fails to meet the requirements for properties
(excluding those in tables and figures) shall not be considered specified for residue from distillation, tests shall be rerun using
as requirements of the standard.
the distillation test method.
1.4 This standard does not purport to address all of the NOTE 1—The quality of results produced by this standard is dependent
on the competence of the personnel performing the procedure and the
safety concerns, if any, associated with its use. It is the
capability, calibration, and maintenance of the equipment used. Agencies
responsibility of the user of this standard to establish appro-
that meet the criteria of Specification D3666 are generally considered
priate safety, health, and environmental practices and deter-
capable of competent and objective testing, sampling, inspection, etc.
mine the applicability of regulatory limitations prior to use.
Users of this standard are cautioned that compliance with Specification
D3666 alone does not completely ensure reliable results. Reliable results
1.5 This international standard was developed in accor-
dependonmanyfactors;followingthesuggestionsofSpecificationD3666
dance with internationally recognized principles on standard-
or some similar acceptable guidance provides a means of evaluating and
ization established in the Decision on Principles for the
controlling some of those factors.
Development of International Standards, Guides and Recom-
4. Summary of Method
mendations issued by the World Trade Organization Technical
Barriers to Trade (TBT) Committee.
4.1 A sample of emulsified asphalt in an open top beaker is
heated in an oven at 163 6 3 °C to determine the percentage of
2. Referenced Documents
asphalt residue. The residue from the evaporation may be
2 tested as required.
2.1 ASTM Standards:
D3666 Specification for Minimum Requirements for Agen-
5. Sample Conditioning for Testing
cies Testing and Inspecting Road and Paving Materials
5.1 All emulsified asphalts shall be properly stirred to
D6997 Test Method for Distillation of Emulsified Asphalt
achieve homogeneity before testing.
E11 Specification for Woven Wire Test Sieve Cloth and Test
Sieves 5.2 All emulsified asphalts with viscosity testing require-
ments of 50 °C shall be heated to 50 6 3 °C in the original
sample container in a water bath or oven. The container should
be vented to relieve pressure. After the sample reaches 50 6
1
This test method is under the jurisdiction of ASTM Committee D04 on Road
3 °C, stir the sample to achieve homogeneity.
and Paving Materials and is the direct responsibility of Subcommittee D04.42 on
Emulsified Asphalt Test.
5.3 Emulsified asphalts with viscosity testing requirements
Current edition approved July 1, 2022. Published July 2022. Originally approved
of 25 °C should be mixed or stirred at 25 6 3 °C in the original
in 2004. Last previous edition approved in 2016 as D6934 – 08 (2016). DOI:
10.1520/D6934-22.
sample container to achieve homogeneity.
2
For referenced ASTM standards, visit the ASTM website, www.astm.org, or
NOTE 2—Emulsified asphalts with viscosity testing requirements of
contact ASTM Customer Service at service@astm.org. For Annual Book of ASTM
Standards volume information, refer to the
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