ASTM_D_5726_-_98_2020.pdf

Designation:D572698(Reapproved 2020)Standard Specification forThermoplastic Fabrics Used in Hot-Applied Roofing andWaterproofing1This standard is issued under the fixed designation D5726;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 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 thermoplastic fabrics such aspolyester,polyester/polyamide bicomponent,or compositeswith fiberglass or polyester scrims that can be used during theconstruction of hot-applied roofing and waterproofing.1.2 This specification is intended as a material specification.Issues regarding the suitability of specific roof constructions orapplication techniques are beyond the scope of this specifica-tion.1.3 The specified tests and property values used to charac-terize the respective fabrics are intended to establish minimumproperties.In-place system design criteria or performanceattributes are factors beyond the scope of this material speci-fication.1.4 The values stated in SI units are to be regarded as thestandard.The values given in parentheses are for informationonly.1.5 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 limitations prior to use.1.6 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 TechnicalBarriers to Trade(TBT)Committee.2.Referenced Documents2.1 ASTM Standards:2D123 Terminology Relating to TextilesD1079 Terminology Relating to Roofing and WaterproofingD1117 Guide for Evaluating Nonwoven Fabrics(Withdrawn2009)3D1776/D1776M Practice for Conditioning and Testing Tex-tilesD1777 Test Method for Thickness of Textile MaterialsD4830/D4830M Test Methods for Characterizing Thermo-plastic Fabrics Used in Roofing and WaterproofingD5035 Test Method for Breaking Force and Elongation ofTextile Fabrics(Strip Method)D5733 Test Method for Tearing Strength of NonwovenFabrics by the Trapezoid Procedure(Withdrawn 2008)3E1 Specification for ASTM Liquid-in-Glass Thermometers2.2 Other Standard:4AATCC Test Set No.128 Wrinkle Recovery Test3.Terminology3.1 DefinitionsFor definitions of terms used in thisspecification,refer to Terminologies D1079 and D123.4.Classification4.1 The thermoplastic fabrics covered by this specificationare of the following general constructions and compositions.Each is a separate class or type,differentiated by polymer type,a combination of polymers,or the manufacturing process,orsome combination thereof:4.1.1 Type IPolyester spunbonded with resin,unneedled;4.1.2 Type IIPolyester spunbonded with resin,needled;4.1.3 Type IIIPolyester mat plus fiberglass scrim andresin;and4.1.4 Type IVPolyester core/polyamide sheath bicompo-nent spunbonded.5.Materials and Manufacture5.1 The fabric shall be a uniform,thin,porous mat of theprimary thermoplastic polymer,with or without the addition ofreinforcing stranded glass or thermoplastic yarns.Chemically1This specification 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 Oct.1,2020.Published October 2020.Originallyapproved in 1995.Last previous edition approved in 2013 as D5726 98(2013).DOI:10.1520/D5726-98R20.2For 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.3The last approved version of this historical standard is referenced onwww.astm.org.4Available from American Association of Textile Chemists and Colorists(AATCC),One Davis Dr.,P.O.Box 12215,Research Triangle Park,NC 27709-2215.Copyright ASTM International,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,Guides and Recommendations issued by the World Trade Organization Technical Barriers to Trade(TBT)Committee.bonding with a water-resistant resin or thermally bonding withother thermoplastic polymers shall be permitted.6.Physical Properties,Thickness,and Mass6.1 Fabrics shall conform to the thickness,mass,andphysical properties presented in Table 1.7.Unit Mass7.1 Determine the unit mass of the fabric usin