ASTM D6/D6M-95(2018)

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: D6/D6M − 95 (Reapproved 2018) American Association State
Highway and Transportation Officials Standard
AASHTO No.: T47
Standard Test Method for
Loss on Heating of Oil and Asphaltic Compounds
This standard is issued under the fixed designation D6/D6M; 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.
This standard has been approved for use by agencies of the U.S. Department of Defense.
1. Scope 3. Summary of Test Method
3.1 Fifty grams of material, spread out in a dish 55 mm in
1.1 This test method covers the determination of the loss in
mass(exclusiveofwater)ofoilandasphalticcompoundswhen diameter, is heated in moving air for 5 h at 163°C [325°F] and
the percent loss of mass determined along with a comparison,
heated as hereinafter prescribed.
before and after, of any other desired characteristics. This test
1.2 The values stated in either SI units or inch-pound units
method provides only a relative measurement of the volatility
are to be regarded separately as standard. The values stated in
of a material under test conditions.
each system may not be exact equivalents; therefore, each
system shall be used independently of the other. Combining
4. Significance and Use
values from the two systems may result in non-conformance
4.1 This test method is useful in characterizing certain
with the standard.
petroleum products by the determination of their loss of mass
1.3 This standard does not purport to address all of the
upon heating under standardized conditions.
safety concerns, if any, associated with its use. It is the
responsibility of the user of this standard to establish appro-
5. Apparatus
priate safety, health, and environmental practices and deter-
5.1 Oven—The oven shall be electrically heated and shall
mine the applicability and regulatory limitations prior to use.
conform to the performance requirements of Specification
1.4 This international standard was developed in accor-
E145 Type I, Grade B, for operating temperatures up to 180°C
dance with internationally recognized principles on standard-
[365°F]. During the tests for compliance to Specification E145
ization established in the Decision on Principles for the
requirements, the oven shelf, properly placed, shall be in place
Development of International Standards, Guides and Recom-
and rotating. In addition, it shall also comply with the
mendations issued by the World Trade Organization Technical
following requirements:
Barriers to Trade (TBT) Committee.
5.1.1 Construction (Note 1)—The oven shall be rectangular
with minimum interior dimensions of 330 mm [13 in.] in each
2. Referenced Documents
direction. The oven shall have in front a tightly fitting hinged
2.1 ASTM Standards:
door, which shall provide a clear opening substantially the
D5/D5M Test Method for Penetration of Bituminous Mate-
same as the interior height and width of the oven. The door
rials
may contain a window with dimensions of at least 100 by 100
E1 Specification for ASTM Liquid-in-Glass Thermometers
mm [4 by 4 in.], and with two sheets of glass separated by an
E145 Specification for Gravity-Convection and Forced-
air space, through which a vertical thermometer located as
Ventilation Ovens
specified in Section 8, may be read without opening the door;
or the oven may be provided with an inner glass door, through
which the thermometer may be observed on opening the outer
1 door momentarily. The oven shall be adequately ventilated by
This test method is under the jurisdiction ofASTM Committee D08 on Roofing
and Waterproofing and is the direct responsibility of Subcommittee D08.03 on
convection currents of air and for this purpose shall be
Surfacing and Bituminous Materials for Membrane Waterproofing and Built-up
provided with openings for the entrance of air and for the exit
Roofing.
of heated air and vapors. Openings may be of any size and
Current edition approved May 1, 2018. Published June 2018. Originally
ɛ1
arrangement provided the requirements of Specification E145,
approvedin1910.Lastpreviouseditionapprovedin2011asD6/D6M – 95(2011) .
DOI: 10.1520/D0006_D0006M-95R18.
Type I, Grade B, are met.
For referenced ASTM standards, visit the ASTM website, www.astm.org, or
5.1.2 Rotating Shelf—The oven shall be provided with a
contact ASTM Customer Service at service@astm.org. For Annual Book of ASTM
circular metal shelf having a minimum diameter of 250 mm
Standards volume information, refer to the standard’s Document Summary page on
the ASTM website. [9.8 in.]. (Arecommended form of aluminum shelf is shown in
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D6/D6M − 95 (2018)
Fig. 1.) The shelf shall be suspended by a vertical shaft and 7. Preparation of Sample
centeredwithrespecttothehorizontalinteriordimensions.The
7.1 Thoroughly stir and agitate the sample as received,
shelf shall be provided with a mechanical means of rotating it
warming, if necessary, to obtain a complete mixture before the
at the rate of 5 to 6 rpm. The shelf shall be vertically located
portion for analysis is removed.
as close to the center of the oven as permitted by compliance
7.2 First test the material under examination for water and,
withtherequirementsof7.2regardingthermometerplacement.
if water is present, remove it by suitable methods of dehydra-
NOTE 1—Continued use of existing smaller ovens complying with the
tion before subjecting the material to the loss on
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