1、Designation: D312/D312M 15Standard 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 pare
2、ntheses 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
3、 in built-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 implyrestrictio
4、ns on the slope 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 t
5、he 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. It is theresponsibility of the user of this standard to establish appro-priate safety and health practices and determine the applica
6、-bility of regulatory limitations prior to use.2. Referenced Documents2.1 ASTM Standards:2D5 Test Method for Penetration of Bituminous MaterialsD36 Test Method for Softening Point of Bitumen (Ring-and-Ball Apparatus)D92 Test Method for Flash and Fire Points by ClevelandOpen Cup TesterD113 Test Metho
7、d for Ductility of Bituminous MaterialsD140 Practice for Sampling Bituminous MaterialsD1079 Terminology Relating to Roofing and WaterproofingD2042 Test Method for Solubility of Asphalt Materials inTrichloroethyleneD3461 Test Method for Softening Point of Asphalt and Pitch(Mettler Cup-and-Ball Method
8、)D4402 Test Method for Viscosity Determination of Asphaltat Elevated Temperatures Using a Rotational Viscometer3. Materials and Manufacture3.1 The asphalts shall be prepared from crude petroleum.4. Physical Requirements4.1 Asphalts shall be homogeneous and free of water.4.2 Asphalts of each type sha
9、ll 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 SamplingPractice D140.5.1.2 Softening Point See Test Methods D36 or D3461.Incase
10、s where a disagreement exists between the purchaser andthe seller, Test Method D36 shall be used as the refereemethod.5.1.3 Flash Point Test Method D92.5.1.4 Penetration Test Method D5.5.1.5 DuctilityTest Method D113.5.1.6 SolubilityTest Method D2042.5.1.7 EVTTest Method D44026. Inspection6.1 Inspec
11、tion of the material shall be agreed upon betweenthe purchaser and the seller as part of the purchase contract.7. Rejection and Resubmittal7.1 Failure to conform to any of the requirements prescribedin this specification shall constitute grounds for rejection. Incase of rejection, the seller shall h
12、ave the right to reinspect therejected material and resubmit the lot after removal of thosepackages not conforming to the requirements.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
13、normal hazards of handling and shipment.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 edition approved
14、 Feb. 1, 2015. Published March 2015. Originallyapproved in 1929. Last previous edition approved in 2006 as D312 00 (2006).DOI: 10.1520/D0312_D0312M-15.2For referenced ASTM standards, visit the ASTM website, www.astm.org, orcontact ASTM Customer Service at serviceastm.org. For Annual Book of ASTMStan
15、dards 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 States18.2 Each container or bill of lading on bulk shipments shallbe plainly marked with the name of t
16、he 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 spreaderapplication.9. Keywords9.1 asphalt; built-up roof; roofing; softening pointAPPENDIX(Nonmandatory Information)
17、X1. APPLICATION GUIDEX1.1 Asphalt should be applied within the EVT applicationrange for asphalt as described in Terminology D1079.X1.2 At no time should the kettle temperature exceed550F.ASTM International takes no position respecting the validity of any patent rights asserted in connection with any
18、 item mentionedin this standard. Users of this standard are expressly advised that determination of the validity of any such patent rights, and the riskof infringement of such rights, are entirely their own responsibility.This standard is subject to revision at any time by the responsible technical
19、committee and must be reviewed every five years andif not revised, either reapproved or withdrawn. Your comments are invited either for revision of this standard or for additional standardsand should be addressed to ASTM International Headquarters. Your comments will receive careful consideration at
20、 a meeting of theresponsible technical committee, which you may attend. If you feel that your comments have not received a fair hearing you shouldmake your views known to the ASTM Committee on Standards, at the address shown below.This standard is copyrighted by ASTM International, 100 Barr Harbor D
21、rive, PO Box C700, West Conshohocken, PA 19428-2959,United States. Individual reprints (single or multiple copies) of this standard may be obtained by contacting ASTM at the aboveaddress or at 610-832-9585 (phone), 610-832-9555 (fax), or serviceastm.org (e-mail); or through the ASTM website(www.astm
22、.org). Permission rights to photocopy the standard may also be secured from the Copyright Clearance Center, 222Rosewood Drive, Danvers, MA 01923, Tel: (978) 646-2600; http:/ 1 Physical Requirements of Asphalt in RoofingPropertyType I Type II Type III Type IVMin Max Min Max Min Max Min MaxSoftening p
23、oint, C F 57 135 66 151 70 158 80 176 85 185 96 205 99 210 107 225Flash point, C F 302 575 . 302 575 . 302 575 . 302 575 .Penetration, units:at 0C 32F 3 . 6 . 6 . 6 .at 25C 77F 18 60 18 40 15 35 12 25at 46C 115F 90 180 . 100 . 90 . 75Ductility at 25C 77F, cm 10.0 . 3.0 . 2.5 . 1.5 .Solubility in trichloroethylene, % 99 . 99 . 99 . 99 .EVT, C FAt 125 cPs 221 430 235 455At 75 cPs 243 470 252 485D312/D312M 152
