1、Designation:D2822/D2822M05(Reapproved 2011)1Standard Specification forAsphalt Roof Cement,Asbestos-Containing1This standard is issued under the fixed designation D2822/D2822M;the number immediately following the designation indicates theyear of original adoption or,in the case of revision,the year o
2、f last revision.A number 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 Department of Defense.1NOTEUnits information was editorially revised in J
3、une 2011.1.Scope1.1 This specification covers asbestos-containing asphaltroof cement used for trowel application to roofings andflashings.1.2 The values stated in either SI units or inch-pound unitsare to be regarded separately as standard.The values stated ineach system may not be exact equivalents
4、;therefore,eachsystem shall be used independently of the other.Combiningvalues from the two systems may result in non-conformancewith the standard.1.3 The following safety hazards caveat pertains only to thetest methods described in this specification:This standard doesnot purport to address all of
5、the safety concerns,if any,associated with its use.It is the responsibility of the user of thisstandard to establish appropriate safety and health practicesand determine the applicability of regulatory limitations priorto use.2.Referenced Documents2.1 ASTM Standards:2D312 Specification for Asphalt U
6、sed in RoofingD449 Specification for Asphalt Used in Dampproofing andWaterproofingD946 Specification for Penetration-Graded Asphalt Cementfor Use in Pavement ConstructionD1079 Terminology Relating to Roofing and WaterproofingD6511 Test Methods for Solvent Bearing Bituminous Com-pounds3.Terminology3.
7、1 For definitions of terms used in this specification,seeTerminology D1079.4.Classification4.1 Type I is made from asphalts characterized as self-healing,adhesive,and ductile,and conforming to the require-ments of Specification D312,Type I;Specification D449,Types I or II;or Specification D946.4.1.1
8、 Class I is used for application to essentially drysurfaces.4.1.2 Class II is used for application to damp,wet,orunderwater surfaces.4.2 Type II is made from asphalt characterized by highsoftening point and relatively low ductility,and conforming tothe requirements of Specification D312,Types II or
9、III;orSpecification D449,Type III.4.2.1 Class I is used for application to essentially drysurfaces.4.2.2 Class II is used for application to damp,wet,orunderwater surfaces.5.Materials and Manufacture5.1 Asphalt roof cement shall consist of an asphalt base,volatile petroleum solvents,and mineral stab
10、ilizers includingasbestos fiber,mixed to a smooth,uniform consistency suitablefor trowel application.6.Composition6.1 Asphalt roof cement complying with this specificationshall conform to the following composition limits:minmaxWater,%.1.0(D6511,Section 10)Nonvolatile matter,%70.(D6511,Section 7)Asbe
11、stos and othermineral stabilizers,%1545(D6511,Section 18)Asphalt,%3060(D6511,Section 18)1This specification is under the jurisdiction of ASTM Committee D08 onRoofing and Waterproofing and is the direct responsibility of Subcommittee D08.05on Solvent-Bearing Bituminous Compounds for Roofing and Water
12、proofing.Current edition approved May 1,2011.Published June 2011.Originallyapproved in 1969.Last previous edition approved in 2005 as D2822 05.DOI:10.1520/D2822_D2822M-05R11E01.2For referenced ASTM standards,visit the ASTM website,www.astm.org,orcontact ASTM Customer Service at serviceastm.org.For A
13、nnual Book of ASTMStandards volume information,refer to the standards Document Summary page onthe ASTM website.Copyright ASTM International,100 Barr Harbor Drive,PO Box C700,West Conshohocken,PA 19428-2959.United States1 Mineral matter basedon original mass ofinsoluble residue,%80.(D6511,Section 19)
14、7.Physical Requirements7.1 UniformityA thoroughly stirred sample shall show noseparation of solvent or settling that cannot be overcome bymoderate stirring after standing for 72 h at room temperature ina closed container.(See Test Methods D6511,Section 5 onUniformity.)7.2 WorkabilityThe cement shall
15、 be of a consistency thatwill spread readily and permit troweling smooth coatings,2 to6 mm 116to14in.thick,on prepared roofing,saturated felt,and metal surfaces at ambient temperatures above 10C 50F.7.3 Behavior at 60C 140FThe cement shall show noevidence of blistering,and sag or slide shall be no g
16、reater than6 mm 14in.(See Test Methods D6511,Section 12 onBehavior at 60C 140F.)7.4 Pliability at 0C 32FThere shall be no cracking orseparation of the cement from the metal.(See Test MethodsD6511,Section 13 on Pliability at 0C 32F.)7.5 Adhesion to Damp,Wet,or Underwater SurfacesTheaverage of three test samples shall be greater than 80%adhesion for compliance with Class II requirements.(See TestMethods D6511,Section 17 on Adhesion to Damp,Wet,orUnderwater Surfaces.)8.Sampling8.1 Sample the materi
