1、Designation:D 2823 05Standard Specification forAsphalt Roof Coatings,Asbestos-Containing1This standard is issued under the fixed designation D 2823;the number immediately following the designation indicates the year oforiginal adoption or,in the case of revision,the year of last revision.A number in
2、 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 asbestos-containing asphaltroof coatings
3、 of brushing or spraying consistency.1.2 The values stated in SI units are to be regarded as thestandard.The values given in parentheses are for informationonly.1.3 This standard does not purport to address all of thesafety concerns,if any,associated with its use.It is theresponsibility of the user
4、of this standard to establish appro-priate safety and health practices and determine the applica-bility of regulatory limitations prior to use.2.Referenced Documents2.1 ASTM Standards:2D 312 Specification for Asphalt Used in RoofingD 449 Specification for Asphalt Used in Dampproofing andWaterproofin
5、gD 946 Specification for Penetration-Graded Asphalt Ce-ment for Use in Pavement ConstructionD 1079 Terminology Relating to Roofing,Waterproofingand Bituminous MaterialsD 6511 Test Methods for Solvent Bearing BituminousCompounds3.Terminology3.1 For definitions of terms used in this specification,seeT
6、erminology D 1079.4.Classification4.1 Type I is made from asphalts characterized as self-healing,adhesive,and ductile,and conforming to the require-ments of Specification D 312,Type I;Specification D 449,Types I or II;or Specification D 946.4.2 Type II is made from asphalts characterized by highsoft
7、ening point and relatively low ductility,and conforming tothe requirements of Specification D 312 Types II or III;orSpecification D 449,Type III.5.Materials and Manufacture5.1 Asphalt roof coatings shall consist of an asphalt base,volatile petroleum solvents,and mineral stabilizers includingasbestos
8、 fiber,mixed to a smooth,uniform consistency suitablefor application by squeegee,three-knot brush,paint brush,roller,or by spraying.6.Composition6.1 Asphalt roof coatings complying with this specificationshall conform to the following composition limits:minmaxWater,%.1.0(D 6511,Section 10)Nonvolatil
9、e matter,%50.(D 6511,Section 7)Asbestos and othermineral stabilizers,%520(D 6511,Section 18)Asphalt,%40.(D 6511,Section 18)Mineral matter based onoriginal mass ofinsoluble residue,%80.(D 6511,Section 19)7.Physical Requirements7.1 UniformityAfter a thoroughly stirred sample hasstood for 72 h at room
10、temperature in a closed container,itshall show no separation of solvent or settling that cannot beovercome by moderate stirring.7.2 Consistency The roof coating shall be of a consis-tency that will spread readily and permit application bysqueegee,brush,roller,or spray at the rate of 1.25 m2/L(50ft2/
11、gal)on prepared roofing,saturated felt,and metal surfacesat ambient temperatures above 10C(50F).Consistency at1This 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
12、 for Roofing and Waterproofing.Current edition approved Oct.1,2005.Published October 2005.Originallyapproved in 1969.Last previous edition approved in 1997 as D 2823 90(1997)e1.2For 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.1Copyright ASTM International,100 Barr Harbor Drive,PO Box C700,West Conshohocken,PA 19428-2959,United States.25C(77F)shall be between 50 and 400 Stormer s/100revolutions when using 450 gm
14、driving weight.7.3 Behavior at 60C(140F)The roof coating shall showno evidence of blistering,and sag or slide shall be no greaterthan 6 mm(14in.).Staining or absorption of the coating on thereverse side of the prepared roofing test panel shall not exceed5%of the coated area.7.4 Pliability at 0C(32F)
15、There shall be no cracking orseparation of the roof coating from the metal.8.Sampling8.1 Sample the material from the original containers imme-diately after stirring to a uniform consistency in accordancewith Section 4,Sampling,of Test Methods D 6511.Restirsamples to ensure uniformity immediately be
16、fore withdrawingportions for individual tests.9.Test Methods9.1 Determine composition and physical requirements byusing the procedures in Test Methods D 6511.10.Precision10.1 See Section 21,Precision and Bias,of Test MethodsD 6511.11.Inspection11.1 Inspection of the material shall be agreed upon by thepurchaser and the seller as part of the purchase contract.12.Rejection and Resubmittal12.1 Failure to conform to any of the requirements pre-scribed in this specification shall constitute grounds f
