1、Designation: D2028/D2028M 10D2028/D2028M 15Standard Specification forCutback Asphalt (Rapid-Curing Type)1This standard is issued under the fixed designation D2028/D2028M; 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.1. Scope1.1 This specification covers cutback petroleum asphalts of the rapid-curing type for use in the construction and treatmen
3、t ofpavements.1.2 The values stated in either SI units or inch-pound units are to be regarded separately as standard. The values stated in eachsystem may not be exact equivalents; therefore, each system shall be used independently of the other. Combining values from thetwo systems may result in non-
4、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 Method for Ductility of Bituminous MaterialsD140 Practice for Sampling Bitu
5、minous MaterialsD402 Test Method for Distillation of Cutback AsphaltD2042 Test Method for Solubility of Asphalt Materials in TrichloroethyleneD2170 Test Method for Kinematic Viscosity of Asphalts (Bitumens)D2171 Test Method for Viscosity of Asphalts by Vacuum Capillary ViscometerD3143 Test Method fo
6、r 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 application temperature and shall conform to the requirements prescribedin Table 1.4. Test Methods4.
7、1 The material shall be sampled in accordance with Practice D140, and the properties enumerated in this specification shallbe determined in accordance with the following ASTM 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
8、 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 these specifications with the desired accuracy,receivers graduated in 0.1-mL divisions shall be used.4.1.5 PenetrationTest Method D5.4.1.6 Ducti
9、lityTest Method D113.4.1.7 Solubility in TrichloroethyleneTrichloroethylene or N-Propyl BromideTest Method D2042/D7553.4.1.8 WaterTest Method D95.1 This specification is under the jurisdiction of ASTM Committee D04 on Road and Paving Materials and is the direct responsibility of Subcommittee D04.40
10、on AsphaltSpecifications.Current edition approved June 1, 2010Jan. 1, 2015. Published June 2010January 2015. Originally approved in 1963. Last previous edition approved in 20042010 asD202897(2004).D2028/D2028M 10. DOI: 10.1520/D2028-10.10.1520/D2028_D2028M-15.2 For referencedASTM standards, visit th
11、eASTM 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 is not an ASTM standard and is intended only to provide the user of an ASTM standard an
12、 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 appropriate. In all cases only the current versionof the standard as published by ASTM is to
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17、 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 rights to photocopy
18、 the standard may also be secured from the Copyright Clearance Center, 222Rosewood Drive, Danvers, MA 01923, Tel: (978) 646-2600; http:/ 1 Requirements for Cutback Asphalt (Rapid-Curing Type)NOTE 1If the ductility at 25C 77F is less than 100, the material will be acceptable if its ductility at 15C 5
19、9F is more than 100.Designation RC-70 RC-250 RC-800 RC-3000Min Max Min Max Min Max Min MaxKinematic viscosity at 60C 140F,mm2s70 140 250 500 800 1600 3000 6000Flash point (Tag open-cup), C F . . 2780. 2780. 2780.Distillation test:Distillate, volume percent of totaldistillate to 360C (680F):to 190C 3
20、74F 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 360C680F,percent volume by difference55 . 65 . 75 . 80 .Tests on residue from distillation:Viscosity at 60C 140F, Pa sA 60 240 60 240 60 240 60 240Ductility
21、 at 25C 77F, cm 100 . 100 . 100 . 100 .Solubility in trichloroethylene, % 99.0 . 99.0 . 99.0 . 99.0 .Solubility, % 99.0 . 99.0 . 99.0 . 99.0 .Water, % . 0.2 . 0.2 . 0.2 . 0.2A Instead of viscosity of the residue, the specifying agency, at its option, can specify penetration at 100 g: 5 s at 25C 77F of 80 to 120 for Grades RC-70, RC-250,RC-800, and RC-3000. However, in no case will both be required.D2028/D2028M 152
