1、Designation: D6298/D6298M 16Standard Specification forFiberglass Reinforced Styrene-Butadiene-Styrene (SBS)Modified Bituminous Sheets with a Factory Applied MetalSurface1This standard is issued under the fixed designation D6298/D6298M; the number immediately following the designation indicates theye
2、ar 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.1. Scope1.1 This specification covers fiberglass reinforced modif
3、iedbituminous sheet materials that use styrene-butadiene-styrene(SBS) thermoplastic elastomer as the primary modifier and aresurfaced with a factory applied continuous metal foil. Thesematerials are intended for use in the fabrication of multiple plyroofing and waterproofing membranes and flashings.
4、1.2 This specification is intended as a material specificationonly. Questions regarding the suitability of the specific roofconstructions or application techniques are beyond the scope ofthis specification.1.3 The specified tests and property limits are intended toestablish minimum properties. In pl
5、ace roof system designcriteria such as fire resistance, field strength, impact/punctureresistance, material compatibility, uplift resistance, and others,are factors beyond the scope of this specification.1.4 The values stated in either SI units or inch-pound unitsare to be regarded separately as sta
6、ndard. 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.1.5 The following precautionary statement pertains to thetest method portion only,
7、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 regulatory limita-tions pr
8、ior to use.2. Referenced Documents2.1 ASTM Standards:2D1079 Terminology Relating to Roofing and WaterproofingD5147/D5147M Test Methods for Sampling and TestingModified Bituminous Sheet MaterialD7051 Test Method for Cyclic Thermal Shock of SBS-Modified Bituminous Roofing Sheets with Factory-Applied M
9、etal Surface3. Terminology3.1 DefinitionsFor definitions of terms used in thisspecification, refer to Terminology D1079.4. Materials and Manufacture4.1 In the process of manufacture, the fiberglass reinforce-ment is impregnated and coated on both sides with a SBSmodified bituminous coating. The shee
10、t is surfaced with acontinuous metal foil except for any selvage. The SBS modi-fied bituminous coating shall be permitted to be compoundedwith a mineral stabilizer.4.2 The metal surfacing shall be omitted on any selvage. Toprevent sticking in the roll, the reverse side and any selvageshall be permit
11、ted to be covered with a fine mineral surfacingor any other surfacing that will not interfere with adhesion orbonding of the lap during application.4.3 Foil-faced products intended for use where the applica-tion is to be by heat welding (torching) shall meet the minimumback surface coating requireme
12、nt found in Table 1.5. Physical Properties5.1 The sheet material shall conform to the physical prop-erties prescribed in Table 1.5.2 The finished product shall not crack nor be so sticky asto cause other material damage upon being unrolled at producttemperatures between 4 and 60C 40 and 140F.1This s
13、pecification is under the jurisdiction of ASTM Committee D08 onRoofing and Waterproofing and is the direct responsibility of Subcommittee D08.04on Felts, Fabrics and Bituminous Sheet Materials.Current edition approved Nov. 1, 2016. Published November 2016. Originallyapproved in 1998. Last previous e
14、dition approved in 2013 as D6298 13. DOI:10.1520/D6298_D2698M-16.2For 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 webs
15、ite.Copyright ASTM International, 100 Barr Harbor Drive, PO Box C700, West Conshohocken, PA 19428-2959. United States16. Dimensions, Mass, and Permissible Variations6.1 The width of the roll shall be as agreed between thepurchaser and the seller and shall not vary more than 61%.6.2 The area of the r
16、oll shall not be less than as agreed uponbetween the purchaser and seller.6.3 The selvage width shall be within 66.4 mm 14 in. ofthe nominal value and shall not be less than 57 mm 2.25 in.7. Workmanship, Finish, and Appearance7.1 The finished product shall be completely coated in acontinuous, unbrok
17、en film and shall be free of such defects asholes, ragged or untrue edges, breaks, cracks, tears,protrusions, delaminations, and indentations.7.2 The metal surface shall be uniform in surface andtexture, that is, free from such defects as holes, breaks tears,protrusions, and indentations (except for
18、 intended factoryembossing pattern).7.3 The line of demarcation between the metal-surfacedportion of the weather side and any selvage shall be straightand parallel to the edge of the sheet.7.4 When unrolled on a smooth plane, the sheet shall be flat,straight, and true so the lap will mate with the a
19、djacent sheetwithin the tolerance of the lap without wrinkles, buckles, orfishmouths.8. Sampling and Test Methods8.1 Sample the material and determine the properties de-scribed in this specification in accordance with Test MethodD5147/D5147M unless otherwise indicated.8.2 Cyclic Thermal ShockSample
20、and test the material inaccordance with Test Method D7051.9. Inspection9.1 InspectionInspection shall be in accordance with therequirements of this specification.9.2 Inspection AlternativesAlternative inspection require-ments shall be determined by and as agreed upon between thepurchaser and supplie
21、r.10. Rejection and Resubmittal10.1 Failure to ConformFailure to conform to any of therequirements as stated in this specification constitutes groundsfor rejection.10.2 Rejection RedressThe supplier shall have the right toinspect the rejected materials. The supplier and the purchasershall agree to t
22、he quantity of rolls deemed unacceptable. Thesupplier shall then have the right to submit the same number ofnew rolls as replacement.11. Packaging and Package Marking11.1 The finished material shall be furnished as rolls. Therolls shall be securely wrapped to prevent shifting of materialand to permi
23、t normal handling. There shall be no manufactur-ing splices in the roll, and there shall be no more than twopieces.11.2 Unless otherwise agreed upon by the seller andpurchaser, each product package shall be plainly marked withthe suppliers name, the product brand, “SBS” or similarindication that the
24、 product is a SBS modified bitumen sheetmaterial, the ASTM designation, and the net coverage area.12. Keywords12.1 glass reinforcement; metal foil surface; modified bitu-minous sheet; styrene-butadiene-styrene (SBS); thermoplasticelastomerTABLE 1 Properties of SBS Modified Bituminous Sheet Materials
25、Surfaced With a Factory Applied Metal FoilDescriptionThickness, min, 3.4 134mm milsNet mass per unit 3.9 80area, min, kg/m2lb 100 ft2Back surface coating thickness, 1 40min, mm milsPeak load, MD and XMD, 18C 0F 28.0 160min, kN/m lbf/in. 23C 73F 14.9 85Elongation at peak load, 18C 0F 3MD and XMD, min
26、, % 23C 73F 5Ultimate elongation, 23C 73F 25MD and XMD, min, %Tensile tear strength,MD and XMD, min kN lbf 0.53 120Low temperature flexibility, 18 0max, C FDimensionalstability, max, % 0.2Compound stability, 107 225min passing, C FCyclic thermal shock, 0.2 2max, mm/m, %Water absorption, 1.0max, %Moi
27、sture content, 0.2max, %D6298/D6298M 162ASTM International takes 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
28、 riskof infringement of such rights, are entirely their own 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
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