1、Designation: D2026 97 (Reapproved 2010)Standard Specification forCutback Asphalt (Slow-Curing Type)1This standard is issued under the fixed designation D2026; the number immediately following the designation indicates the year oforiginal adoption or, in the case of revision, the year of last revisio
2、n. A number in parentheses indicates the year of last reapproval. Asuperscript 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 petroleum aspha
3、lts ofthe slow-curing type for use in the construction and treatmentof pavements.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 Method for
4、 Ductility of Bituminous MaterialsD140 Practice for Sampling Bituminous MaterialsD243 Test Method for Residue of Specified PenetrationD402 Test Method for Distillation of Cutback Asphaltic(Bituminous) ProductsD2042 Test Method for Solubility of Asphalt Materials inTrichloroethyleneD2170 Test Method
5、for Kinematic Viscosity of Asphalts(Bitumens)3. 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 accordance withPractice D140, and the properties enume
6、rated 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.NOTE 1If a 100-mL graduate does not permit sufficiently closereadings
7、 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 TrichloroethyleneTest Method D2042.4.1.7 WaterTest Method D95.1This specification i
8、s 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, 2010. Published February 2010. Originallyapproved in 1963. Last previous edition approved in 2004 as D2026 97 (
9、2004).DOI: 10.1520/D2026-97R10.2For 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,
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12、r 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 a meeting of theresponsible technical committee, which you may attend. If you feel that your comments
13、 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 Drive, PO Box C700, West Conshohocken, PA 19428-2959,United States. Individual reprints (single or mult
14、iple 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 rights to photocopy the standard may also be secured from the ASTM website (www.astm
15、.org/COPYRIGHT/).TABLE 1 Requirements for Cutback Asphalt (Slow-Curing Type)NOTEIf 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-70 SC-250 SC-800 SC-3000Min Max Min Max Min Max Min MaxKinematic viscosity at 6
16、0C (140F), mm2/s 70 140 250 500 800 1600 3000 6000Flash point (Cleveland open cup), C (F) 66 (150) . 79 (175) . 93 (200) . 107 (225) .Distillation test:Total distillate to 360C (680F), volume % 10 30 4 20 2 12 . 5Solubility in trichloroethylene, % 99.0 . 99.0 . 99.0 . 99.0 .Kinematic viscosity on distillation residue at 60C (140F), mm2/s 400 7000 800 10 000 2000 16 000 4000 35000Asphalt residue:Residue of 100 penetration, % 50 . 60 . 70 . 80 .Ductility of 100 penetration residue at 25C (77F), cm 100 . 100 . 100 . 100 .Water, % . 0.5 . 0.5 . 0.5 . 0.5D2026 97 (2010)2
