1、Designation:D312/D312M16aStandard Specification forAsphalt Used in Roofing1This standard is issued under the fixed designation D312/D312M;the number immediately following the designation indicates the yearof original adoption or,in the case of revision,the year of last revision.A number in parenthes
2、es 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.Scope1.1 This specification covers four types of asphalt intendedfor use in built
3、-up roof construction,construction of somemodified bitumen systems,construction of bituminous vaporretarder systems,and for adhering insulation boards used invarious types of roof systems.The specification is intended forgeneral classification purposes only,and does not implyrestrictions on the slop
4、e at which an asphalt must be used.1.2 The values stated in either SI units or inch-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
5、 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.It is theresponsibility of the user of this standard to establish appro-priate safety and health practices and determine the applica-bility of regulatory
6、 limitations prior to use.2.Referenced Documents2.1 ASTM Standards:2D5/D5M Test Method for Penetration of Bituminous Mate-rialsD36/D36M Test Method for Softening Point of Bitumen(Ring-and-Ball Apparatus)D92 Test Method for Flash and Fire Points by ClevelandOpen Cup TesterD113 Test Method for Ductili
7、ty of Bituminous Materials(Withdrawn 2016)3D140/D140M Practice for Sampling Asphalt MaterialsD1079 Terminology Relating to Roofing and WaterproofingD2042 Test Method for Solubility of Asphalt Materials inTrichloroethyleneD3461 Test Method for Softening Point ofAsphalt and Pitch(Mettler Cup-and-Ball
8、Method)D4402/D4402M Test Method for Viscosity Determination ofAsphalt at Elevated Temperatures Using a RotationalViscometerD7553 Test Method for Solubility of Asphalt Materials inN-Propyl Bromide3.Materials and Manufacture3.1 The asphalts shall be prepared from crude petroleum.4.Physical Requirement
9、s4.1 Asphalts shall be homogeneous and free of water.4.2 Asphalts of each type shall conform to the physicalproperties prescribed in Table 1.5.Sampling and Test Methods5.1 Sample the material and determine the properties enu-merated in this specification in accordance with the followingmethods:5.1.1
10、 SamplingPractice D140/D140M.5.1.2 Softening PointSee Test Methods D36/D36M orD3461.In cases where a disagreement exists between thepurchaser and the seller,Test Method D36/D36M shall be usedas the referee method.5.1.3 Flash PointTest Method D92.5.1.4 PenetrationTest Method D5/D5M.5.1.5 DuctilityTes
11、t Method D113.5.1.6 SolubilityTest Method D2042 or D7553.In caseswhere a disagreement exists between the purchaser and theseller,Test Method D2042 shall be used as the referee method.5.1.7 EVTTest Method D4402/D4402M.6.Inspection6.1 Inspection of the material shall be agreed upon betweenthe purchase
12、r and the seller as part of the purchase contract.1This specification is under the jurisdiction of ASTM Committee D08 onRoofing and Waterproofing and is the direct responsibility of Subcommittee D08.03on Surfacing and Bituminous Materials for Membrane Waterproofing and Built-upRoofing.Current editio
13、n approved Dec.15,2016.Published December 2016.Originallyapproved in 1929.Last previous edition approved in 2016 as D312/D312M 16.DOI:10.1520/D0312_D0312M-16A.2For referenced ASTM standards,visit the ASTM website,www.astm.org,orcontact ASTM Customer Service at serviceastm.org.For Annual Book of ASTM
14、Standards volume information,refer to the standards Document Summary page onthe ASTM website.3The last approved 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 States1 7.Rejection a
15、nd Resubmittal7.1 Failure to conform to any of the requirements prescribedin this specification shall constitute grounds for rejection.Incase of rejection,the seller shall have the right to reinspect therejected material and resubmit the lot after removal of thosepackages not conforming to the requi
16、rements.8.Packaging and Marking8.1 Asphalt shall be suitably packaged(if not shipped inbulk)to permit acceptance by the carrier and to afford adequateprotection from the normal hazards of handling and shipment.8.2 Each container or bill of lading on bulk shipments shallbe plainly marked with the name of the manufacturer or sellerand the ASTM designation and type of product,maximumkettle temperature of 550F,and the lot specific equiviscoustemperature(EVT)for mop and for mechanical spreaderapplica
