1、Designation:D283589(Reapproved 2012)Standard Specification forLubricant for Installation of Preformed Compression Sealsin Concrete Pavements1This standard is issued under the fixed designation D2835;the number immediately following the designation indicates the year oforiginal adoption or,in the cas
2、e of revision,the year of last revision.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.Scope*1.1 This specificat
3、ion covers a lubricant suitable for facili-tating the insertion and positioning of preformed elastomericcompression seals in prepared voids(usually contractionjoints)in concrete pavement.1.2 The requirements of the lubricant are based on theperformance of the lubricant as measured by its solids cont
4、ent,homogeneity,consistency and drying rate.1.3 The values stated in inch-pound units are to be regardedas the standard.The metric equivalents of U.S.customary unitsmay be approximate.1.4 The following precautionary caveat pertains only to thetest method portion,Section 7 of this specification.Thiss
5、tandard does not purport to address all of the safety concerns,if any,associated with its use.It is the responsibility of the userof this standard to establish appropriate safety and healthpractices and determine the applicability of regulatory limita-tions prior to use.2.Referenced Documents2.1 AST
6、M Standards:2D1084 Test Methods for Viscosity of AdhesivesD1644 Test Methods for Nonvolatile Content of Varnishes3.Classification3.1 The lubricant shall be based on polychloroprene,con-taining only soluble phenolic resins blended together withantioxidants and acid acceptors in a suitable mixture of
7、organicsolvents.4.Requirements4.1 HomogeneityThe lubricant shall be uniform and con-tain no lumps or agglomerates.4.2 Solids ContentThe nonvolatile content of the lubricantshall be no less than 24.0 weight%.4.3 ConsistencyThe lubricant shall exhibit a viscosity inone of the following ranges:4.3.1 Ty
8、pe Ifor hand or machine application,3000 to 8000cP.4.3.2 Type IIfor machine application,8000 to 15 000 cP.4.4 Drying RateA bond between lubricant-coated papersprepared after 8-min drying time shall separate completely inless than 10 s when a 50-g load is applied in shear.A similarbond prepared after
9、 20-min drying time shall remain un-separated for a minimum of 10 s when a 50-g load is appliedin shear.5.Basis of Purchase5.1 Each lot of lubricant shall be accompanied by themanufacturers certified test results attesting compliance withthis specification,unless an alternative agreement is conclude
10、dby the manufacturer and the purchaser.6.Sampling6.1 The lubricant samples shall be a 1-quart(1-litre)aliquotconsisting of a composite taken when possible from three ormore separate containers chosen at random.Samples also shallbe taken from containers which appear to be nonrepresentativeand shall b
11、e tested separately.Before a sample is withdrawn,the contents in the container shall be mixed to uniformconsistency.The sample shall be placed immediately in anairtight-glass jar or metal can until tested.7.Test Methods7.1 HomogeneityStir the test sample by hand for 2 minwith a spatula.Withdraw the
12、spatula and examine the lubricantas it flows from the spatula for lumps or agglomerates.Particles smaller in diameter than 0.015 in.(0.38 mm)shall notbe considered cause for rejection.1This specification is under the jurisdiction of ASTM Committee D04 on Roadand Paving Materials and is the direct re
13、sponsibility of Subcommittee D04.34 onPreformed Joint Fillers,Sealers and Sealing Systems.Current edition approved July 15,2012.Published July 2012.Originallyapproved in 1969.Last previous edition approved in 2007 as D2835 89(2007).DOI:10.1520/D2835-89R12.2For referenced ASTM standards,visit the AST
14、M 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.*A Summary of Changes section appears at the end of this standardCopyright ASTM International,100 Barr Harbor
15、Drive,PO Box C700,West Conshohocken,PA 19428-2959.United States1 NOTE1At the consumers request,compliance with the 0.015-in.(0.38-mm)requirement shall be determined by a sample diluted 1+4 withXylene through a 40-mesh sieve.7.2 Solids ContentDetermine in accordance with MethodA of Test Methods D1644
16、.7.3 ConsistencyDetermine in accordance with Method Bof Test Methods D1084.Use a No.4 spindle at 20 rpm at a testtemperature of 77 6 0.9F(25 6 0.5C).7.4 Drying Rate:7.4.1 Apparatus:7.4.1.1 Film Applicator,32-in.(50-mm)wide,5 to 25-mils(0.127 to 0.635-mm)clearance set at 14 mils(0.356 mm).7.4.1.2 Nonabsorbent Stiff Paper Surface,4312by 6-in.(100by 150-mm).7.4.1.3 Brush-Out Panels.47.4.1.4 Stop Watch.7.4.1.5 Wire.7.4.1.6 Weights,50-g,and 500-g.7.4.1.7 Aluminum Plate,18by 1 by 2-in.(3 by 25 by50-mm
