1、Designation: D2027/D2027M 10D2027/D2027M 13Standard Specification forCutback Asphalt (Medium-Curing Type)1This standard is issued under the fixed designation D2027/D2027M; the number immediately following the designation indicates theyear of original adoption or, in the case of revision, the year of
2、 last revision. A number in parentheses indicates the year of lastreapproval. A superscript epsilon () 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 pe
3、troleum asphalts of the medium-curing type for use in the construction and treatmentof pavements.1.2 The values stated in SI units or inch-pounds are to be regarded separately as standard. The values stated in each system maynot be exact equivalents; therefore, each system shall be used independentl
4、y of each other. Combining values from the two systemsmay result in non-conformance with the standard.2. Referenced Documents2.1 ASTM Standards:2D5 Test Method for Penetration of Bituminous MaterialsD95 Test Method for Water in Petroleum Products and Bituminous Materials by DistillationD113 Test Met
5、hod for Ductility of Bituminous MaterialsD140 Practice for Sampling Bituminous MaterialsD402 Test Method for Distillation of Cutback Asphaltic (Bituminous) ProductsD2042 Test Method for Solubility of Asphalt Materials in TrichloroethyleneD2170 Test Method for Kinematic Viscosity of Asphalts (Bitumen
6、s)D2171 Test Method for Viscosity of Asphalts by Vacuum Capillary ViscometerD3143 Test Method for Flash Point of Cutback Asphalt with Tag Open-Cup ApparatusD7553 Test Method for Solubility of Asphalt Materials in N-Propyl Bromide3. Properties3.1 The cutback asphalt shall not foam when heated to appl
7、ication temperature and shall conform to the requirements prescribedin Table 1.4. Test Methods4.1 The materials shall be sampled in accordance with Practice D140, and the properties enumerated in this specification shallbe determined in accordance with the following ASTM test methods:4.1.1 Flash Poi
8、nt (Tag Open-Cup)Test Method D3143.4.1.2 Viscosity, KinematicTest Method D2170.4.1.3 Viscosity, at 60C 140FTest Method D2171.4.1.4 DistillationTest Method D402.NOTE 1If a 100-mL graduate does not permit sufficiently close readings to determine conformity to this specification with the desired accura
9、cy,receivers graduated with 0.1-mL divisions shall be used.4.1.5 PenetrationTest Method D5.4.1.6 DuctilityTest Method D113.4.1.7 Solubility in TrichloroethyleneTrichloroethylene/N-Propyl BromideTest MethodMethods D2042/D7553.1 This specification is under the jurisdiction of ASTM Committee D04 on Roa
10、d and Paving Materials and is the direct responsibility of Subcommittee D04.40 on AsphaltSpecifications.Current edition approved June 1, 2010Aug. 1, 2013. Published June 2010September 2013. Originally approved in 1963. Last previous edition approved in 20042010 asD2027D2027/D2027M 10. 97 (2004). DOI
11、 10.1520/D2027-10.DOI: 10.1520/D2027_D2027M-13.2 For referencedASTM standards, visit theASTM website, www.astm.org, or contactASTM Customer Service at serviceastm.org. For Annual Book of ASTM Standardsvolume information, refer to the standards Document Summary page on the ASTM website.This document
12、 is not an ASTM standard and is intended only to provide the user of an ASTM standard an indication of what changes have been made to the previous version. Becauseit may not be technically possible to adequately depict all changes accurately, ASTM recommends that users consult prior editions as appr
13、opriate. In all cases only the current versionof the standard as published by ASTM is to be considered the official document.Copyright ASTM International, 100 Barr Harbor Drive, PO Box C700, West Conshohocken, PA 19428-2959. United States14.1.8 WaterTest Method D95.ASTM International takes no positi
14、on respecting the validity of any patent rights asserted in connection with any 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
15、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 comments are invited either for revision of this standard or for additional standardsand should be addressed to ASTM I
16、nternational 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 not received a fair hearing you shouldmake your views known to the ASTM Committee on Standards, at the address sho
17、wn 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 copies) of this standard may be obtained by contacting ASTM at the aboveaddress or at 610-832-9585 (phone), 610-832
18、9555 (fax), or serviceastm.org (e-mail); or through the ASTM website(www.astm.org). Permission rights to photocopy the standard may also be secured from the ASTM website (www.astm.org/COPYRIGHT/).TABLE 1 Requirements for Cutback Asphalt (Medium-Curing Type)NOTE 1If the ductility at 25C 77F is less
19、than 100, the material will be acceptable if its ductility at 15C 59F is more than 100.Designation MC-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 . 38 100 . 6
20、6 150 . 66 150 . 66 150 .Distillate test:Distillate, volume percent of total distillate to 360C 680F:to 225C 437F . 25 . 20 . 10 . . . .to 225C 437F . 35 . 25 . 20 . . . .to 260C 500F 40 70 20 60 15 55 . 35 . 15to 260C 500F 30 75 10 70 5 55 . 40 . 15to 316C 600F 75 93 65 90 60 87 45 80 15 75to 316C
21、600F 75 95 65 93 60 90 45 85 15 75Residue from distillation to 360C 680F,percent volume by 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 trichlor
22、oethylene, % 99.0 . 99.0 . 99.0 . 99.0 . 99.0 .Water, % . 0.2 . 0.2 . 0.2 . 0.2 . 0.2A Instead of viscosity of the residue, the specifying agency, at its option, can specify penetration 100 g: 5 s at 25C 77F of 120 to 250300 for Grades MC-30, MC-70,and MC-250, MC-800, and and 120 to 250 for MC-800 and MC-3000. However, in no case will both be required. Editorially corrected to match originally published D202797.D2027/D2027M 132
