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 num
2、ber 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 asbestos-containing asphaltroo
3、f coatings 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 theresponsibilit
4、y of the user 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
5、andWaterproofingD 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 s
6、pecification, seeTerminology 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
7、characterized by highsoftening 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
8、 stabilizers includingasbestos 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:min maxWat
9、er, % . 1.0 (D 6511,Section 10)Nonvolatile 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
10、a thoroughly stirred sample hasstood for 72 h at room 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 bysqueege
11、e, brush, roller, or spray at the rate of 1.25 m2/L (50ft2/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 responsibili
12、ty of Subcommittee D08.05on Solvent-Bearing Bituminous Compounds 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 websit
13、e, 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 Harbor Drive, PO Box C700, West Conshohocken, PA 19428-2959, United States
14、.25C (77F) shall be between 50 and 400 Stormer s/100revolutions when using 450 gm 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 (14 in.). Staining or absorption of the coating on thereverse side of the pre
15、pared roofing test panel shall not exceed5 % of the coated area.7.4 Pliability at 0C (32F)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
16、Section 4, Sampling, of Test Methods D 6511. Restirsamples to ensure uniformity immediately before 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
17、 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
18、or rejec-tion. In cases of rejection, the seller shall have the right toreinspect and resubmit the lot after removal of those packagesnot conforming to the specified requirements.13. Packaging and Package Marking13.1 Asphalt roofing cement shall be suitably packaged topermit acceptance by the carrie
19、r and to afford adequateprotection from the normal hazards of handling and shipment.13.2 Each container shall be plainly marked with the nameand brand of the manufacturer or supplier, the type of product,the manufacturers production code or lot number, and wordingindicating that the material contain
20、s asbestos.13.3 Each container shall be plainly marked to indicate thatthe product was manufactured to meet ASTM D 2823.14. Keywords14.1 asbestos; asphalt; fibered; roof coatingASTM International takes no position respecting the validity of any patent rights asserted in connection with any item ment
21、ionedin this standard. Users of this standard are expressly advised that determination of the validity of 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
22、and must be reviewed every five years andif not revised, either reapproved or withdrawn. Your comments are 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
23、 of theresponsible technical committee, which you may attend. If you feel that your comments have not received 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 B
24、ox C700, West Conshohocken, 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).D2823052
