ASTM D2824 D2824M-2006(2012)e1 Standard Specification for Aluminum-Pigmented Asphalt Roof Coatings Nonfibered Asbestos Fibered and Fibered without Asbestos《无纤维增强、石棉纤维增强和无石棉的纤维增强的填充.pdf
《ASTM D2824 D2824M-2006(2012)e1 Standard Specification for Aluminum-Pigmented Asphalt Roof Coatings Nonfibered Asbestos Fibered and Fibered without Asbestos《无纤维增强、石棉纤维增强和无石棉的纤维增强的填充.pdf》由会员分享,可在线阅读,更多相关《ASTM D2824 D2824M-2006(2012)e1 Standard Specification for Aluminum-Pigmented Asphalt Roof Coatings Nonfibered Asbestos Fibered and Fibered without Asbestos《无纤维增强、石棉纤维增强和无石棉的纤维增强的填充.pdf(2页珍藏版)》请在麦多课文档分享上搜索。
1、Designation: D2824/D2824M 06 (Reapproved 2012)1Standard Specification forAluminum-Pigmented Asphalt Roof Coatings, Nonfibered,Asbestos Fibered, and Fibered without Asbestos1This standard is issued under the fixed designation D2824/D2824M; the number immediately following the designation indicates th
2、eyear of original adoption or, in the case of revision, the year of 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 Dep
3、artment of Defense.1NOTEUnits information was editorially corrected in August 2012.1. Scope1.1 This specification covers asphalt-based, aluminum roofcoatings suitable for application to roofing or masonry surfacesby brush or spray.1.2 The values stated in either SI units or inch-pound unitsare to be
4、 regarded separately as standard. The values stated ineach system may not be exact equivalents; 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 precautionary caveat pertains only to
5、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 standard to establish appropriate safety and healthpractices and determine the applicability of r
6、egulatory limita-tions prior to use.2. Referenced Documents2.1 ASTM Standards:2C1549 Test Method for Determination of Solar ReflectanceNear Ambient Temperature Using a Portable Solar Reflec-tometerD962 Specification for Aluminum Powder and Paste Pig-ments for PaintsD4798 Practice for Accelerated Wea
7、thering Test Conditionsand Procedures for Bituminous Materials (Xenon-ArcMethod)D6511 Test Methods for Solvent Bearing Bituminous Com-pounds3. Classification3.1 Type INonfibered, containing no fiber.3.2 Type IIFibered, containing asbestos fiber.3.3 Type IIIFibered, containing no asbestos fiber.4. Ma
8、terials and Manufacture4.1 Asphalt-based, aluminum roof coatings shall consist ofan asphalt base, volatile petroleum solvents, and a leafing typeof aluminum pigment conforming to the requirements ofSpecification D962, with or without fiber added. They shall bemixed to a smooth, uniform consistency s
9、uitable for applica-tion by brush, roller, or by spraying.5. Composition5.1 Asphalt-based, aluminum roof coatings complying withthis specification shall conform to the following compositionlimits:Type I Type II orType IIIWater, max, % 0.3 0.3Nonvolatile matter (NVM), min, % 40 40Insoluble in CS2, ma
10、x, % of NVM 40 50Metallic aluminum, min, % 11 96. Physical Requirements6.1 UniformityAfter a thoroughly stirred sample has stoodfor 72 h at room temperature 23 6 2C 73.4 6 F in a closedcontainer, it shall show no separation of solvent or settling thatcan not be overcome by moderate stirring.6.2 Cons
11、istencyThe roof coating shall be of a consistencythat will spread readily and permit application by brush, roller,or spray to produce a film in which the aluminum pigment leafsto form a bright reflective surface on prepared roofing, satu-rated felt, and metal surfaces at ambient temperatures above10
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