1、Designation: D 2028 97 (Reapproved 2004)Standard Specification forCutback Asphalt (Rapid-Curing Type)1This standard is issued under the fixed designation D 2028; the number immediately following the designation indicates the year oforiginal adoption or, in the case of revision, the year of last revi
2、sion. 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 a
3、sphalts ofthe rapid-curing type for use in the construction and treatmentof 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 Ductil
4、ity 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 Tes
5、t 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 material shall be sampled in accordance withPractice D 140
6、, and the properties enumerated in this specifi-cation shall be determined in accordance with the followingASTM 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 permit suffi
7、ciently closereadings to determine conformity to these specifications with the desiredaccuracy, receivers graduated in 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 Method D 95.
8、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 approved in
9、 1997 as D 202897.2For 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 Barr Har
10、bor Drive, PO Box C700, West Conshohocken, PA 19428-2959, United States.ASTM International takes no position 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
11、 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 comments ar
12、e 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 not rec
13、eived 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 copies)
14、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 (Rapid-Curing Type)NOTEIf the ductility at 25C (77F) is less than 10
15、0, the material will be acceptable if its ductility at 15C (59F) is more than 100.DesignationRC-70 RC-250 RC-800 RC-3000Min Max Min Max Min Max Min MaxKinematic viscosity at 60C (140F), mm2s 70 140 250 500 800 1600 3000 6000Flash point (Tag open-cup), C (F) . . 27 +(80+). 27 +(80+). 27 +(80+).Distil
16、lation test:Distillate, volume percent of total distillate to 360C (680F):to 190C (374F) 10 . . . . . . .to 225C (437F) 50 . 35 . 15 . . .to 260C (500F) 70 . 60 . 45 . 25 .to 316C (600F) 85 . 80 . 75 . 70 .Residue from distillation to 360C (680F),percent volume by difference55 . 65 . 75 . 80 .Tests
17、on residue from distillation:Viscosity at 60C (140F), Pa sA60 240 60 240 60 240 60 240Ductility at 25C (77F), cm 100 . 100 . 100 . 100 .Solubility in trichloroethylene, % 99.0 . 99.0 . 99.0 . 99.0 .Water, % . 0.2 . 0.2 . 0.2 . 0.2AInstead of viscosity of the residue, the specifying agency, at its option, can specify penetration at 100 g:5sat25C (77F) of 80 to 120 for Grades RC-70, RC-250,RC-800, and RC-3000. However, in no case will both be required.D 2028 97 (2004)2
