1、Designation: D 5643 06Standard Specification forCoal Tar Roof Cement, Asbestos Free1This standard is issued under the fixed designation D 5643; 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.1. Scope1.1 This specification covers coal tar roof cement suitablefor trowel application in coal tar roofing and flashing systems.1.2 The values stated in
3、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 of this standard to establish appro-priate safety and heal
4、th 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 andBituminous Materials by DistillationD 140 Practice for Sampling Bituminous MaterialsD 3
5、143 Test Method for Flash Point of Cutback Asphaltwith Tag Open-Cup ApparatusD 3409 Test Method for Adhesion of Asphalt-Roof Cementto Damp, Wet, or Underwater SurfacesD 6511 Test Methods for Solvent Bearing BituminousCompounds3. Materials and Manufacture3.1 Coal tar roof cement shall consist of a pr
6、ocessed coal tarbase, volatile solvents, and mineral stabilizers, excludingasbestos, mixed to a smooth uniform consistency suitable fortrowel application.4. Chemical Composition4.1 The composition of coal tar roof cement shall conformto the requirements prescribed in Table 1.5. Performance Requireme
7、nts5.1 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 WorkabilityThe cement shall be of such a consistencythat it will spread readily and permit trow
8、eling 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 sag or slide shall be no greater than6mm(14 in.).5.4 Adhesion to Wet SurfacesMinimum average 75 %.5.5 Flash Point38C (100F) minimum.6. Sampling6.
9、1 Sample the material from the original container imme-diately after stirring to a uniform consistency, in accordancewith Practice D 140.6.2 Restir the samples to obtain uniformity immediatelybefore withdrawing portions for individual tests.7. Test Methods7.1 WaterSee Test Method D95.7.2 Nonvolatile
10、 MatterDetermine nonvolatile matter inaccordance with Test Methods D 6511, Section 7 (NonvolatileContent).7.3 Insoluble MatterSee Test Method D4, Procedure No.2.7.4 Behavior at 60C (140F)See Test Methods D 6511,Section 12 (Behavior at 60C (140F).7.5 Adhesion to Wet SurfacesSee Test Method D 3409.7.6
11、 Flash PointSee Test Method D 3143.8. Inspection8.1 Inspection of the material shall be agreed upon betweenthe purchaser and the supplier.1This specification is under the jurisdiction of ASTM Committee D08 onRoofing and Waterproofing and is the direct responsibility of Subcommittee D08.05on Solvent-
12、Bearing Bituminous Compounds for Roofing and Waterproofing.Current edition approved Dec. 1, 2006. Published December 2006. Originallyapproved in 1994. Last previous edition approved in 2000 as D 5643 94 (2000)e1.2For referenced ASTM standards, visit the ASTM website, www.astm.org, orcontact ASTM Cus
13、tomer 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. Rejection and Resubmittal9.1 Fa
14、ilure to conform to any of the requirements prescribedin this specification may constitute grounds for rejection. In thecase of rejection, the supplier shall have the right to reinspectthe rejected material and resubmit the lot after removal of thosepackages not conforming to the requirements.10. Pa
15、ckaging and Package Marking10.1 The material shall be suitably packaged to permitacceptance by the carrier and to afford adequate protectionfrom the normal hazards of handling and shipment.10.2 Each container shall be plainly marked with the netcontents, the ASTM designation, name, brand, or tradema
16、rk ofthe manufacturer or supplier and wording indicating that thematerial is asbestos free. Applicable government regulationsfor labeling of combustible liquids shall be followed.11. Keywords11.1 asbestos free; cement; coal tar; roofingASTM International takes no position respecting the validity of
17、any patent rights asserted in 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 r
18、evision at any time by the responsible 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. Yo
19、ur comments will receive careful 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 cop
20、yrighted by ASTM International, 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).TABLE 1 Composition of Coal Tar Roof CementWater, volume % max 2.0Nonvolatile matter, mass % min 65Insoluble matter, mass % 15 to 40D5643062
