1、Designation: D 2027 97 (Reapproved 2004)Standard Specification forCutback Asphalt (Medium-Curing Type)1This standard is issued under the fixed designation D 2027; the number immediately following the designation indicates the year oforiginal adoption or, in the case of revision, the year of last rev
2、ision. A number in parentheses indicates the year of last reapproval. Asuperscript epsilon (e) indicates an editorial change since the last revision or reapproval.This standard has been approved for use by agencies of the Department of Defense.1. Scope1.1 This specification covers cutback petroleum
3、asphalts ofthe medium-curing type for use in the construction andtreatment of pavements.2. Referenced Documents2.1 ASTM Standards:2D 5 Test Method for Penetration of Bituminous MaterialsD 95 Test Method for Water in Petroleum Products andBituminous Materials by DistillationD 113 Test Method for Duct
4、ility of Bituminous MaterialsD 140 Practice for Sampling Bituminous MaterialsD 402 Test Method for Distillation of Cut-Back Asphaltic(Bituminous) ProductsD 2042 Test Method for Solubility of Asphalt Materials inTrichloroethyleneD 2170 Test Method for Kinematic Viscosity of Asphalts(Bitumens)D 3143 T
5、est Method for Flash Point of Cutback Asphaltwith Tag Open-Cup Apparatus3. Properties3.1 The cutback asphalt shall not foam when heated toapplication temperature and shall conform to the requirementsprescribed in Table 1.4. Test Methods4.1 The materials shall be sampled in accordance withPractice D
6、140, and the properties enumerated in this specifi-cation shall be determined in accordance with the followingASTM test methods:4.1.1 Flash Point (Tag Open-Cup)Test Method D 3143.4.1.2 Viscosity, KinematicTest Method D 2170.4.1.3 DistillationTest Method D 402.NOTE 1If a 100-mL graduate does not perm
7、it sufficiently closereadings to determine conformity to this specification with the desiredaccuracy, receivers graduated with 0.1-mL divisions shall be used.4.1.4 PenetrationTest Method D 5.4.1.5 DuctilityTest Method D 113.4.1.6 Solubility in TrichloroethyleneTest Method D 2042.4.1.7 WaterTest Meth
8、od D 95.1This specification is under the jurisdiction of ASTM Committee D04 on Roadand Paving Materials and is the direct responsibility of Subcommittee D04.40 onAsphalt Specifications.Current edition approved March 1, 2004. Published March 2004. Originallyapproved in 1963. Last previous edition app
9、roved in 1997 as D 202797.2For 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.1Copyright ASTM International, 100
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11、idity 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 committee and must be reviewed every five years andif not revised, either reapproved or withdrawn. Your com
12、ments 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 a meeting of theresponsible technical committee, which you may attend. If you feel that your comments have
13、 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 Drive, PO Box C700, West Conshohocken, PA 19428-2959,United States. Individual reprints (single or multiple
14、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.org).TABLE 1 Requirements for Cutback Asphalt (Medium-Curing Type)NOTEIf the ductility at 25C (77F) is les
15、s than 100, the material will be acceptable if its ductility at 15C (59F) is more than 100.DesignationMC-30 MC-70 MC-250 MC-800 MC-3000Min Max Min Max Min Max Min Max Min MaxKinematic viscosity at 60C (140F), mm2/s 30 60 70 140 250 500 800 1600 3000 6000Flash point (Tag open-cup), C (F) 38 (100) . 3
16、8 (100) . 66 (150) . 66 (150) . 66 (150) .Distillate test:Distillate, volume percent of total distillate to 360C (680F):to 225C (437F) . 25 . 20 . 10 . . . .to 260C (500F) 40 70 20 60 15 55 . 35 . 15to 316C (600F) 75 93 65 90 60 87 45 80 15 75Residue from distillation to 360C (680F),percent volume b
17、y difference50 . 55 . 67 . 75 . 80 .Tests on residue from distillation:Viscosity at 60C (140F), Pa sA,30 120 30 120 30 120 30 120 30 120Ductility at 25C (77F), cm 100 . 100 . 100 . 100 . 100 .Solubility in trichloroethylene, % 99.0 . 99.0 . 99.0 . 99.0 . 99.0 .Water, % . 0.2 . 0.2 . 0.2 . 0.2 . 0.2A
18、Instead of viscosity of the residue, the specifying agency, at its option, can specify penetration 100 g:5sat25C (77F) of 120 to 250 for Grades MC-30, MC-70,MC-250, MC-800, and MC-3000. However, in no case will both be required.Editorially corrected to match originally published D 202797.D 2027 97 (2004)2
