1、Designation:D706705StandardSpecification forReinforced White PIB Sheet Used in Roofing Membrane1This standard is issued under the fixed designation D7067;the number immediately following the designation indicates the year oforiginal adoption or,in the case of revision,the year of last revision.A num
2、ber in parentheses indicates the year of last reapproval.Asuperscript epsilon()indicates an editorial change since the last revision or reapproval.1.Scope1.1 This specification covers white reinforced non-vulcanized polymeric sheet made from polyisobutylene(PIB)intended for use as a single-ply roof
3、membrane exposed to theweather.The sheet shall be reinforced with fiber or fabric.1.1.1 The polymers used in these sheets have thermoplasticcharacteristics at time of installation.1.2 The tests and property limits used to characterize thesesheets are minimum values.1.2.1 In-place roof systems design
4、 criteria such as fireresistance,field seaming strength,impact/puncture resistance,material compatibility,and uplift resistance,among others,arefactors that must be considered,but are beyond the scope ofthis specification.1.3 The following precautionary caveat pertains to the testmethods portion onl
5、y,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 require-ments pr
6、ior to use.2.Referenced Documents2.1 ASTM Standards:2D412 Test Methods for Vulcanized Rubber and Thermoplas-tic ElastomersTensionD413 Test Methods for Rubber PropertyAdhesion to Flex-ible SubstrateD471 Test Method for Rubber PropertyEffect of LiquidsD518 Test Method for Rubber DeteriorationSurfaceCr
7、acking(Withdrawn 2007)3D751 Test Methods for Coated FabricsD1004 Test Method for Tear Resistance(Graves Tear)ofPlastic Film and SheetingD1149 Test Methods for Rubber DeteriorationCracking inan Ozone Controlled EnvironmentD1204 Test Method for Linear Dimensional Changes ofNonrigid Thermoplastic Sheet
8、ing or Film at ElevatedTemperatureD2136 Test Method for Coated FabricsLow-TemperatureBend TestG151 Practice for Exposing Nonmetallic Materials inAccel-erated Test Devices that Use Laboratory Light SourcesG154 Practice for Operating Fluorescent LightApparatus forUV Exposure of Nonmetallic MaterialsG1
9、55 Practice for Operating Xenon Arc Light Apparatus forExposure of Non-Metallic Materials3.Classification3.1 The following type is used to identify the principalpolymeric component of the coating portion of the sheet:3.1.1 Type IPolyisobutylene(PIB).3.2 The following grade describes the sheet constr
10、uction:3.2.1 Grade 1Backed with fibers.3.3 A general description of reinforcing/backing materialincluding the type of fiber used and the weight per unit area ofthe reinforcing or backing material shall be provided,uponrequest.4.Materials and Manufacture4.1 The coating shall be white in color and for
11、mulated frompolyisobutylene and other compounding ingredients.The prin-cipal polymer used in the coating shall be a minimum of 75%in relation to the total polymer present.4.2 The sheet shall be capable of being bonded to itself tomake watertight field splices and repairs.The manufacturer orsupplier
12、shall recommend bonding methods and materials.5.Physical Properties5.1 Table 1 contains physical property requirements thatshall be met.5.2 Table 2 contains property values for the coating portionon the weather side of the sheet.(When requested,themanufacturer shall provide a sample of the coating u
13、sed on the1This specification is under the jurisdiction of ASTM Committee D08 onRoofing and Waterproofing and is the direct responsibility of Subcommittee D08.18on Nonbituminous Organic Roof Coverings.Current edition approved July 1,2005.Published August 2005.DOI:10.1520/D7067-05.2For referenced AST
14、M 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.3The last approved version of this historical standard is referenced onwww.astm.org.C
15、opyright ASTM International,100 Barr Harbor Drive,PO Box C700,West Conshohocken,PA 19428-2959.United StatesNOTICE:This standard has either been superseded and replaced by a new version or withdrawn.Contact ASTM International(www.astm.org)for the latest information1weathering side of the supplied she
16、et at the thickness appliedduring manufacture,for testing purposes.)See 8.2.6.Dimensions,Mass,and Permissible Variations6.1 The width and length of the sheet shall be agreed uponbetween the purchaser and the supplier.6.1.1 The width and length tolerance shall be+3,0%.6.2 Sheet thickness specified greater than the minimumshall be agreed upon between the purchaser and the supplier aspart of the purchase contract.6.2.1 The thickness tolerance shall be+15,10%of thespecified nominal thickness.In no c
