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    ASTM D4479-2007 Standard Specification for Asphalt Roof Coatings&8212 Asbestos-Free《沥表屋面覆层的标准规范 无石棉》.pdf

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    ASTM D4479-2007 Standard Specification for Asphalt Roof Coatings&8212 Asbestos-Free《沥表屋面覆层的标准规范 无石棉》.pdf

    1、Designation: D 4479 07Standard Specification forAsphalt Roof CoatingsAsbestos-Free1This standard is issued under the fixed designation D 4479; 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 p

    2、arentheses 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-free asphalt roof coat-ings o

    3、f brushing or spraying consistency.1.2 The following precautionary caveat pertains only to thetest method portion, Section 8, of this specification: Thisstandard does not purport to address all of the safety concerns,if any, associated with its use. It is the responsibility of the userof this standa

    4、rd to establish appropriate safety and healthpractices and determine the applicability of regulatory limita-tions prior to use.2. Referenced Documents2.1 ASTM Standards:2D 312 Specification for Asphalt Used in RoofingD 449 Specification for Asphalt Used in Dampproofing andWaterproofingD 946 Specific

    5、ation for Penetration-Graded Asphalt Ce-ment for Use in Pavement ConstructionD 6511 Test Methods for Solvent Bearing BituminousCompounds3. Classification3.1 Type I is made from asphalts characterized as self-healing, adhesive, and ductile, and conforming to the require-ments of Specification D 312,

    6、Type I; Specification D 449,Types I or II; or Specification D 946.3.2 Type II is made from asphalts 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.4. Materials and Manufactur

    7、e4.1 Asphalt roof coatings shall consist of an asphalt base,volatile petroleum solvents, and mineral or other stabilizers, orboth, excluding asbestos fiber, mixed to a smooth, uniformconsistency suitable for application by squeegee, three-knotbrush, paint brush, roller, or by spraying.5. Composition

    8、5.1 Asphalt roof coatings complying with this specificationshall conform to the following composition limits:min maxWater content, % . 2.5Nonvolatile content, % 50 .Mineral and/or other stabilizers 5 20Bitumen (asphalt), % 40 .6. Physical Requirements6.1 UniformityAfter a thoroughly stirred sample h

    9、asstood for 72 h at room temperature 23 6 2C (73.4 6 3.6F)in a closed container, it shall show no separation of solvent orsettling that cannot be overcome by moderate stirring.6.2 ConsistencyThe roof coating shall be of a consistencythat will spread readily and permit application by squeegee,brush,

    10、roller or spray at the rate of 1.25 m2/litre (50 ft2/gal) onprepared roofing, saturated felt, and metal surfaces at ambienttemperatures above 10C (50F). Consistency at 25C (77F)shall be between 50 and 400 Stormer s/100 revolutions.6.3 Behavior at 60C (140F)The roof coating shall showno evidence of b

    11、listering, and sag or slide shall be no greaterthan 6 mm (14 in.). Staining or absorption of the coating on thereverse side of the prepared roofing test panel shall not exceed5 % of the coated area.6.4 Pliability at 0C (32F)There shall be no cracking orseparation of the roof coating from the metal.7

    12、. Sampling7.1 See Section 4 on Sampling of Test Methods D 6511.8. Test Methods8.1 Determine composition and physical requirements byusing the procedures in Test Methods D 6511.1This specification is under the jurisdiction of ASTM Committee D08 onRoofing and Waterproofing and is the direct responsibi

    13、lity of Subcommittee D08.05on Solvent-Bearing Bituminous Compounds for Roofing and Waterproofing.Current edition approved May 1, 2007. Published May 2007. Originallyapproved in 1985. Last previous edition approved in 2006 as D 4479 00 (2006).2For referenced ASTM standards, visit the ASTM website, ww

    14、w.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.9. P

    15、recision and Bias9.1 See Section 21 on Precision and Bias of Test MethodsD 6511.10. Inspection10.1 Inspection of the material shall be agreed upon by thepurchaser and the seller as part of the purchase contract.11. Rejection and Rehearing11.1 Failure to conform to any of the requirements pre-scribed

    16、 in this specification shall constitute grounds for 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.12. Packaging and Package Marking12.1 All products shall be packaged and

    17、 labeled in accor-dance with applicable regulations. Each package shall bemarked to indicate the applicable ASTM specification, includ-ing Type.13. Keywords13.1 asbestos-free; asphalt; fibered; roof coatingASTM International takes no position respecting the validity of any patent rights asserted in

    18、connection with any item mentionedin 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 res

    19、ponsible technical committee 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 caref

    20、ul consideration at a meeting 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

    21、, 100 Barr Harbor Drive, PO Box 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).D4479072


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