1、Designation:D6/D6M95(Reapproved 2018)American Association StateHighway and Transportation Officials StandardAASHTO No.:T47Standard Test Method forLoss on Heating of Oil and Asphaltic Compounds1This standard is issued under the fixed designation D6/D6M;the number immediately following the designation
2、 indicates the year oforiginal adoption or,in the case of revision,the year of last revision.A number in parentheses indicates the year of last reapproval.Asuperscript epsilon()indicates an editorial change since the last revision or reapproval.This standard has been approved for use by agencies of
3、the U.S.Department of Defense.1.Scope1.1 This test method covers the determination of the loss inmass(exclusive of water)of oil and asphaltic compounds whenheated as hereinafter prescribed.1.2 The values stated in either SI units or inch-pound unitsare to be regarded separately as standard.The value
4、s stated ineach system may not be exact equivalents;therefore,eachsystem shall be used independently of the other.Combiningvalues from the two systems may result in non-conformancewith the standard.1.3 This standard does not purport to address all of thesafety concerns,if any,associated with its use
5、.It is theresponsibility of the user of this standard to establish appro-priate safety,health,and environmental practices and deter-mine the applicability and regulatory limitations prior to use.1.4 This international standard was developed in accor-dance with internationally recognized principles o
6、n standard-ization established in the Decision on Principles for theDevelopment of International Standards,Guides and Recom-mendations issued by the World Trade Organization TechnicalBarriers to Trade(TBT)Committee.2.Referenced Documents2.1 ASTM Standards:2D5/D5M Test Method for Penetration of Bitum
7、inous Mate-rialsE1 Specification for ASTM Liquid-in-Glass ThermometersE145 Specification for Gravity-Convection and Forced-Ventilation Ovens3.Summary of Test Method3.1 Fifty grams of material,spread out in a dish 55 mm indiameter,is heated in moving air for 5 h at 163C 325F andthe percent loss of ma
8、ss determined along with a comparison,before and after,of any other desired characteristics.This testmethod provides only a relative measurement of the volatilityof a material under test conditions.4.Significance and Use4.1 This test method is useful in characterizing certainpetroleum products by th
9、e determination of their loss of massupon heating under standardized conditions.5.Apparatus5.1 OvenThe oven shall be electrically heated and shallconform to the performance requirements of SpecificationE145 Type I,Grade B,for operating temperatures up to 180C365F.During the tests for compliance to S
10、pecification E145requirements,the oven shelf,properly placed,shall be in placeand rotating.In addition,it shall also comply with thefollowing requirements:5.1.1 Construction(Note 1)The oven shall be rectangularwith minimum interior dimensions of 330 mm 13 in.in eachdirection.The oven shall have in f
11、ront a tightly fitting hingeddoor,which shall provide a clear opening substantially thesame as the interior height and width of the oven.The doormay contain a window with dimensions of at least 100 by 100mm 4 by 4 in.,and with two sheets of glass separated by anair space,through which a vertical the
12、rmometer located asspecified in Section 8,may be read without opening the door;or the oven may be provided with an inner glass door,throughwhich the thermometer may be observed on opening the outerdoor momentarily.The oven shall be adequately ventilated byconvection currents of air and for this purp
13、ose shall beprovided with openings for the entrance of air and for the exitof heated air and vapors.Openings may be of any size andarrangement provided the requirements of Specification E145,Type I,Grade B,are met.5.1.2 Rotating ShelfThe oven shall be provided with acircular metal shelf having a min
14、imum diameter of 250 mm9.8 in.(Arecommended form of aluminum shelf is shown in1This test method is under the jurisdiction ofASTM Committee D08 on Roofingand Waterproofing and is the direct responsibility of Subcommittee D08.03 onSurfacing and Bituminous Materials for Membrane Waterproofing and Built
15、-upRoofing.Current edition approved May 1,2018.Published June 2018.Originallyapproved in 1910.Last previous edition approved in 2011 as D6/D6M 95(2011)1.DOI:10.1520/D0006_D0006M-95R18.2For referenced ASTM standards,visit the ASTM website,www.astm.org,orcontact ASTM Customer Service at serviceastm.or
16、g.For Annual Book of ASTMStandards volume information,refer to the standards Document Summary page onthe ASTM website.Copyright ASTM International,100 Barr Harbor Drive,PO Box C700,West Conshohocken,PA 19428-2959.United StatesThis international standard was developed in accordance with internationally recognized principles on standardization established in the Decision on Principles for theDevelopment of International Standards,Guides and Recommendations issued by the World Trade Organization Te
