1、Designation:D6136/D6136M15(Reapproved 2021)Standard Test Method forKerosine Number of Unsaturated(Dry)Felt by VacuumMethod1This standard is issued under the fixed designation D6136/D6136M;the number immediately following the designation indicates theyear of original adoption or,in the case of revisi
2、on,the year of last revision.A number in parentheses indicates the year of lastreapproval.A superscript epsilon()indicates an editorial change since the last revision or reapproval.1.Scope1.1 This test method covers the determination of the relativesaturating capacity of unsaturated(dry)felt papers
3、used inroofing.1.2 The values stated in either SI units or inch-pound unitsare to be regarded separately as standard.The values stated ineach system are not necessarily exact equivalents;therefore,toensure conformance with the standard,each system shall beused independently of the other,and values f
4、rom the twosystems shall not be combined.1.3 This standard does not purport to 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,health,and environmental practices and deter-mine the applicability of
5、 regulatory limitations prior to use.1.4 This international standard was developed in accor-dance with internationally recognized principles on standard-ization established in the Decision on Principles for theDevelopment of International Standards,Guides and Recom-mendations issued by the World Tra
6、de Organization TechnicalBarriers to Trade(TBT)Committee.2.Referenced Documents2.1 ASTM Standards:2D585 Practice for Sampling and Accepting a Single Lot ofPaper,Paperboard,Fiberboard,and Related Product(Withdrawn 2010)3D1298 Test Method for Density,Relative Density,or APIGravity of Crude Petroleum a
7、nd Liquid Petroleum Prod-ucts by Hydrometer MethodD3699 Specification for Kerosine3.Summary of Test Method3.1 The kerosine number of unsaturated(dry)felt is com-puted from the weight of a kerosine of known specific gravityretained by the felt after displacement of the air from interiorvoids.It is th
8、e millilitres of kerosine held/100 g of felt,andthus,is a measure of the quantity of saturant that a given feltwill absorb.4.Significance and Use4.1 The ability to absorb kerosine is an indication of theability to absorb hot asphalt.The kerosine number is used incalculating saturation efficiency.5.A
9、pparatus5.1 Glass Vessel,approximately 1500 mL capacity,forsoaking specimens of felt in kerosine,under vacuum.5.2 Vacuum Pump,capable of reaching and maintaining avacuum of at least 700 mm Hg in the glass vessel.5.3 Lightweight Glass or Metal Weighing Container,withtightly fitting cover,60 by 140 mm
10、 2.5 by 5.5 in.or larger,tocontain felt strips in a horizontal position without bending ordistortion.5.4 Drying Oven,with dimensions at least 300 by 300 by300 mm 12 by 12 by 12 in.5.5 Other ApparatusDesiccator,wire hook,and ifnecessary,a punch to make a small hole in a corner of thespecimens after t
11、hey are cut.6.Materials6.1 Water-White Kerosine,complying to the requirements ofSpecification D3699 and having a specific gravity of 0.800 60.025 at 25 C,as determined in accordance with Test MethodD1298.7.Sampling7.1 Obtain a sample of the felt in accordance with PracticeD585.1This test method is u
12、nder the jurisdiction ofASTM Committee D08 on Roofingand Waterproofing and is the direct responsibility of Subcommittee D08.04 on Felts,Fabrics and Bituminous Sheet Materials.Current edition approved Nov.15,2021.Published November 2021.Originallyapproved in 1997.Last previous edition approved in 201
13、5 as D6136/D6136M 15.DOI:10.1520/D6136_D6136M-15R21.2For referenced ASTM standards,visit the ASTM website,www.astm.org,orcontact ASTM Customer Service at serviceastm.org.For Annual Book of ASTMStandards volume information,refer to the standards Document Summary page onthe ASTM website.3The last appr
14、oved version of this historical standard is referenced onwww.astm.org.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 esta
15、blished in the Decision on Principles for theDevelopment of International Standards,Guides and Recommendations issued by the World Trade Organization Technical Barriers to Trade(TBT)Committee.1?8.Test Specimen8.1 From each test unit of the sample cut two sets of six testspecimen strips,each strip me
16、asuring 51 by 127 6 13 mm 2by 5 612in.with the longer side parallel to the machinedirection of the sheet.9.Procedure9.1 Place a set of strips in the tared weighing container andexpose them,uncovered,for at least 1 but not more than 2 h inan oven,the interior of which is maintained at a temperature of105 6 3 C.Keep the felt strips flat.Do not fold,roll,or distortthem in any way.Handle the six strips as a unit in all of thefollowing operations.9.2 Remove the strips in the weighing container from t