1、Designation:D6/D6M95(Reapproved 2011)1American 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 designatio
2、n 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.1NOTEUnits information was editorially revised in February 2011.1.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 in
4、ch-pound unitsare to be regarded separately as standard.The values 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
5、 address all of thesafety concerns,if any,associated with its use.It is theresponsibility of the user of this standard to establish appro-priate safety and health practices and determine the applica-bility and regulatory limitations prior to use.2.Referenced Documents2.1 ASTM Standards:2D5 Test Meth
6、od for Penetration of Bituminous MaterialsE1 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
7、 andthe percent loss of mass 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 certa
8、inpetroleum products by the 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
9、 tests for compliance to Specification 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 eachdirectio
10、n.The oven shall have in front 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,th
11、rough which a vertical thermometer 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 current
12、s of air and for this purpose 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 acircula
13、r metal shelf having a minimum diameter of 250 mm9.8 in.(Arecommended form of aluminum shelf is shown inFig.1.)The shelf shall be suspended by a vertical shaft andcentered with respect to the horizontal interior dimensions.Theshelf shall be provided with a mechanical means of rotating itat the rate
14、of 5 to 6 rpm.The shelf shall be vertically located1This 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-upRoofing.Current edition
15、approved Jan.1,2011.Published February 2011.Originallyapproved in 1910.Last previous edition approved in 2006 as D6 95(2006).DOI:10.1520/D0006_D0006M-95R11E01.2For referenced ASTM standards,visit the ASTM website,www.astm.org,orcontact ASTM Customer Service at serviceastm.org.For Annual Book of ASTM
16、Standards 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 States1 as close to the center of the oven as permitted by compliancewith the requirements of 7.2 regarding thermometer placement.NOTE1Continued use of existing smaller ovens complying with therequirements of this test shall be permitted for an indefinite period toprovide for normal amortization of prese
