ASTM D4022-2007 Standard Specification for Coal Tar Roof Cement Asbestos Containing《含石棉的煤焦油屋顶粘结剂标准规范》.pdf
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1、Designation: D 4022 07Standard Specification forCoal Tar Roof Cement, Asbestos Containing1This standard is issued under the fixed designation D 4022; the number immediately following the designation indicates the year oforiginal adoption or, in the case of revision, the year of last revision. A numb
2、er 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 coal tar roof cement suitablefo
3、r trowel application in coal tar roofing and flashing systems.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 t
4、heresponsibility 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:2D4 Test Method for Bitumen ContentD95 Test Method for Water in Petroleum Products and
5、Bituminous Materials by DistillationD 140 Practice for Sampling Bituminous MaterialsD 3143 Test Method for Flash Point of Cutback Asphaltwith Tag Open-Cup Apparatus3D 3409 Test Method for Adhesion of Asphalt-Roof Cementto Damp, Wet, or Underwater SurfacesD 6511 Test Methods for Solvent Bearing Bitum
6、inousCompounds3. Materials and Manufacture3.1 Coal tar roof cement shall consist of a processed coal tarbase, volatile solvents, and mineral fillers including asbestosfibers, mixed to a smooth, uniform consistency suitable fortrowel application.4. Composition4.1 The composition of coal tar roof ceme
7、nt shall conformto the requirements prescribed in Table 1.5. Performance Requirements5.1 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.5.2 WorkabilityTh
8、e cement shall be of such a consistencythat it will spread readily and permit troweling smooth coatings1.6 to 3.2 mm (116 to18 in.) thick on vertical surfaces.5.3 Behavior at 60C (140F)The cement shall show noevidence of blistering, and the sag or slide shall be no greaterthan6mm(14 in.).5.4 Adhesio
9、n to Wet SurfacesMinimum average 75 %.5.5 Flash Point38C (100F) minimum.6. Sampling6.1 Sample the material from the original container imme-diately after stirring to a uniform consistency, in accordancewith Practice D 140.6.2 Restir samples to obtain uniformity immediately beforewithdrawing portions
10、 for individual tests.7. Test Methods7.1 WaterTest Method D95.7.2 Nonvolatile MatterDetermine nonvolatile matter inaccordance with Test Methods D 6511, Section 7 on Nonvola-tile Content.7.3 Insoluble MatterTest Method D4, Procedure No. 2.7.4 Behavior at 60C (140F)Test Methods D 6511, Sec-tion 12 on
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