1、Designation: D5643/D5643M 06 (Reapproved 2018)Standard Specification forCoal Tar Roof Cement, Asbestos Free1This standard is issued under the fixed designation D5643/D5643M; the number immediately following the designation indicates theyear of original adoption or, in the case of revision, the year
2、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.1. Scope1.1 This specification covers coal tar roof cement suitablefor trowel application in coal tar roofing and flashing syst
3、ems.1.2 The values stated in either SI units or inch-pound unitsare to be 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-conformancew
4、ith the standard.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, health, and environmental practices and deter-mine the applicability of regulatory limitat
5、ions prior to use.1.4 This international standard was developed in accor-dance with internationally recognized principles on standard-ization established in the Decision on Principles for theDevelopment of International Standards, Guides and Recom-mendations issued by the World Trade Organization Te
6、chnicalBarriers to Trade (TBT) Committee.2. Referenced Documents2.1 ASTM Standards:2D4 Test Method for Bitumen ContentD95 Test Method for Water in Petroleum Products andBituminous Materials by DistillationD140/D140M Practice for Sampling Asphalt MaterialsD3143/D3143M Test Method for Flash Point of C
7、utbackAsphalt with Tag Open-Cup ApparatusD3409/D3409M Test Method for Adhesion of Asphalt-RoofCement to Damp, Wet, or Underwater SurfacesD6511/D6511M Test Methods for Solvent Bearing Bitumi-nous Compounds3. Materials and Manufacture3.1 Coal tar roof cement shall consist of a processed coal tarbase,
8、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 Requirements5.1 UniformityA tho
9、roughly 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 troweling smooth coatings1
10、.6 to 3.2 mm 116 to18 in. thick on vertical surfaces.5.3 Behavior at 60C 140FThe cement shall show noevidence of blistering, and sag or slide shall be no greater than6mm14 in.5.4 Adhesion to Wet SurfacesMinimum average 75 %.5.5 Flash Point38C 100F minimum.6. Sampling6.1 Sample the material from the
11、original container imme-diately after stirring to a uniform consistency, in accordancewith Practice D140/D140M.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 MatterDetermine nonvolati
12、le matter inaccordance with Test Methods D6511/D6511M, Section 7(Nonvolatile Content).7.3 Insoluble MatterSee Test Method D4, Procedure No.2.7.4 Behavior at 60C 140FSee Test Methods D6511/D6511M, Section 12 (Behavior at 60C 140F).1This specification is under the jurisdiction of ASTM Committee D08 on
13、Roofing and Waterproofing and is the direct responsibility of Subcommittee D08.05on Solvent-Bearing Bituminous Compounds for Roofing and Waterproofing.Current edition approved May 1, 2018. Published June 2018. Originallyapproved in 1994. Last previous edition approved in 2012 as D5643/D5643M 06(2012
14、)1. DOI: 10.1520/D5643_D5643M-06R18.2For referenced ASTM standards, visit the ASTM website, 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.Copyright ASTM Internatio
15、nal, 100 Barr Harbor Drive, PO Box C700, West Conshohocken, PA 19428-2959. United StatesThis international standard was developed in accordance with internationally recognized principles on standardization established in the Decision on Principles for theDevelopment of International Standards, Guide
16、s and Recommendations issued by the World Trade Organization Technical Barriers to Trade (TBT) Committee.17.5 Adhesion to Wet SurfacesSee Test Method D3409/D3409M.7.6 Flash PointSee Test Method D3143/D3143M.8. Inspection8.1 Inspection of the material shall be agreed upon betweenthe purchaser and the
17、 supplier.9. Rejection and Resubmittal9.1 Failure 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 thosepackag
18、es not conforming to the requirements.10. Packaging 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, t
19、he ASTM designation, name, brand, or trademark 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 t
20、akes no position respecting the validity of 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
21、responsibility.This standard is subject to revision 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 addr
22、essed to ASTM International Headquarters. Your 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
23、the address shown below.This standard is copyrighted 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 (
24、phone), 610-832-9555 (fax), or serviceastm.org (e-mail); or through the ASTM website(www.astm.org). Permission rights to photocopy the standard may also be secured from the Copyright Clearance Center, 222Rosewood Drive, Danvers, MA 01923, Tel: (978) 646-2600; http:/ 1 Composition of Coal Tar Roof CementWater, volume % max 2.0Nonvolatile matter, mass % min 65Insoluble matter, mass % 15 to 40D5643/D5643M 06 (2018)2
