1、Designation:D2026/D2026M15Standard Specification forCutback Asphalt(Slow-Curing Type)1This standard is issued under the fixed designation D2026/D2026M;the number immediately following the designation indicates theyear of original adoption or,in the case of revision,the year of last revision.A number
2、 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 U.S.Department of Defense.1.Scope1.1 This specification covers cutback petroleum asphalts ofthe s
3、low-curing type for use in the construction and treatmentof pavements.1.2 UnitsThe values stated in either SI units or inch-pound units are to be regarded separately as standard.Thevalues stated in each system may not be exact equivalents;therefore,each system shall be used independently of the othe
4、r.Combining values from the two systems may result in non-conformance with the standard.2.Referenced Documents2.1 ASTM Standards:2D92 Test Method for Flash and Fire Points by ClevelandOpen Cup TesterD95 Test Method for Water in Petroleum Products andBituminous Materials by DistillationD113 Test Meth
5、od for Ductility of Bituminous MaterialsD140 Practice for Sampling Bituminous MaterialsD243 Test Method for Residue of Specified PenetrationD402 Test Method for Distillation of Cutback AsphaltD2042 Test Method for Solubility of Asphalt Materials inTrichloroethyleneD2170 Test Method for Kinematic Vis
6、cosity of Asphalts(Bitumens)D7553 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 material shall be sampled in a
7、ccordance 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(Cleveland Open Cup)Test MethodD92.4.1.2 Viscosity,KinematicTest Method D2170.4.1.3 DistillationTest Method D402.NOTE1If a 100-mL gr
8、aduate does not permit sufficiently closereadings to determine conformity to this specification with the desiredaccuracy,receivers graduated in 0.1-mL divisions shall be used.4.1.4 Asphalt ResidueTest Method D243.4.1.5 DuctilityTest Method D113.4.1.6 Solubility in Trichloroethylene or N-Propyl Bromi
9、deTest Method D2042/D7553.4.1.7 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 Jan.1,2015.Published January 2015.Originallya
10、pproved in 1963.Last previous edition approved in 2010 as D2026/D2026M 97(2010)1.DOI:10.1520/D2026_D2026M-15.2For 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 standard
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16、so be secured from the Copyright Clearance Center,222Rosewood Drive,Danvers,MA 01923,Tel:(978)646-2600;http:/ 1 Requirements for Cutback Asphalt(Slow-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.DesignationSC-70SC-250SC-800SC-3000MinMaxMinMaxMinMaxMinMaxKinematic viscosity at 60C 140F,mm2/s70140250500800160030006000Flash point(Cleveland open cup),C F66 150.79 175.93 200.107 225.Distillation test:Total d
