1、Designation:D2027/D2027M13Standard 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 last revision.A numb
2、er in parentheses indicates the year of lastreapproval.A superscript epsilon()indicates an editorial change since the last revision or reapproval.1.Scope1.1 This specification covers cutback petroleum asphalts ofthe medium-curing type for use in the construction andtreatment of pavements.1.2 The val
3、ues stated in SI units or inch-pounds are to beregarded separately as standard.The values stated in eachsystem may not be exact equivalents;therefore,each systemshall be used independently of each other.Combining valuesfrom the two systems may result in non-conformance with thestandard.2.Referenced
4、Documents2.1 ASTM Standards:2D5 Test Method for Penetration of Bituminous MaterialsD95 Test Method for Water in Petroleum Products andBituminous Materials by DistillationD113 Test Method for Ductility of Bituminous MaterialsD140 Practice for Sampling Bituminous MaterialsD402 Test Method for Distilla
5、tion of Cutback Asphaltic(Bituminous)ProductsD2042 Test Method for Solubility of Asphalt Materials inTrichloroethyleneD2170 Test Method for Kinematic Viscosity of Asphalts(Bitumens)D2171 Test Method for Viscosity of Asphalts by VacuumCapillary ViscometerD3143 Test Method for Flash Point of Cutback A
6、sphalt withTag Open-Cup ApparatusD7553 Test Method for Solubility of Asphalt Materials inN-Propyl Bromide3.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 sample
7、d in accordance withPractice D140,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 D3143.4.1.2 Viscosity,KinematicTest Method D2170.4.1.3 Viscosity,at 60C 140FTest Method D2171.4.1.4
8、DistillationTest Method D402.NOTE1If a 100-mL graduate does not permit sufficiently closereadings to determine conformity to this specification with the desiredaccuracy,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 Solub
9、ility in Trichloroethylene/N-Propyl BromideTest Methods D2042/D7553.4.1.8 WaterTest Method D95.1This 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 Aug
10、.1,2013.Published September 2013.Originallyapproved in 1963.Last previous edition approved in 2010 as D2027/D2027M 10.DOI:10.1520/D2027_D2027M-13.2For referenced ASTM standards,visit the ASTM website,www.astm.org,orcontact ASTM Customer Service at serviceastm.org.For Annual Book of ASTMStandards vol
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15、 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.org).Permission ri
16、ghts 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)NOTE1If the ductility at 25C 77F is less than 100,the material will be acceptable if its ductility at 15C 59F is more than 100.DesignationMC-30MC-70MC-250MC-800MC-3000MinMaxMinMaxMinMaxMinMaxMinMaxKinematic viscosity at 60C 140F,mm2/s306070140250500800160030006000Flash point(Tag open-cup),C F38 100.38 100.66 150.66 150.66 150.Distillate tes
