1、Designation:D646403a(Reapproved 2017)Standard Specification forExpandable Foam Adhesives for Fastening GypsumWallboard to Wood Framing1This standard is issued under the fixed designation D6464;the number immediately following the designation indicates the year oforiginal adoption or,in the case of r
2、evision,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 establishes minimum performancerequirements for determining strength,aging,and worki
3、ngproperties of expandable foam adhesives intended for bondingback surfaces of gypsum wallboards of all thicknesses to woodframing.Minimum physical and performance requirements arespecified for all measured properties of adhesives and adhesivebonds.1.2 The values stated in inch-pound units are to be
4、 regardedas standard.The values given in parentheses are mathematicalconversions to SI units that are provided for information onlyand are not considered 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 use
5、r of this standard to establish appro-priate safety and health practices and determine the applica-bility of regulatory limitations 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
6、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:2C1396/C1396M Specification for Gypsum BoardD905 Test Method for Strength Properties of Adhesi
7、veBonds in Shear by Compression LoadingD907 Terminology of AdhesivesE4 Practices for Force Verification of Testing MachinesE177 Practice for Use of the Terms Precision and Bias inASTM Test Methods3.Terminology3.1 DefinitionsMany terms in this specification are de-fined in Terminology D907.3.2 Defini
8、tions of Terms Specific to This Standard:3.2.1 expandable foam adhesive,nany polymer that ex-pands during delivery or cure to fill the space betweensubstrates.4.Significance and Use4.1 This specification applies to expandable foam adhesivesused to bond the back surface of gypsum wallboard toDouglas-
9、fir dimensional lumber or other lumber species ofequivalent bonding qualities capable of meeting the testrequirements.4.2 The specification establishes the minimum strengthrequirements of the bond for the selected assembly materials.4.3 The adhesive is not considered a substitute for mechani-cal fas
10、teners.Fasteners will be required to restrict expansion ofthe foam adhesive while it cures.The recommended fasteningschedule must appear in the manufacturers application instruc-tions.4.4 The tests are suitable for product performance certifica-tion and quality control programs,and can be useful to
11、thegeneral public,adhesive manufacturers,distributors,specifiers,architects,contractors,testing laboratories and other businessesand professionals.4.5 The results do not include all possible conditions,whichmay occur during final assembly,but indicate a set of perfor-mance characteristics for labora
12、tory controlled bonding vari-ables.5.Adhesive Physical Property Requirements5.1 Open Assembly TimeThese adhesives have a distinctopen assembly time and this time must be agreed upon by theuser and the manufacturer.5.2 Storage LifeThe adhesive shall remain serviceableand meet all the requirements of
13、this specification for not less1This specification is under the jurisdiction of ASTM Committee D14 onAdhesives and is the direct responsibility of Subcommittee D14.70 on ConstructionAdhesives.Current edition approved April 1,2017.Published May 2017.Originallyapproved in 1999.Last previous edition ap
14、proved in 2009 as D6464-03a(2009)1.DOI:10.1520/D6464-03AR17.2For 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.Copyri
15、ght 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 St
16、andards,Guides and Recommendations issued by the World Trade Organization Technical Barriers to Trade(TBT)Committee.1 than six months after delivery,when stored in original un-opened containers at temperatures ranging from 40 to 85F(4to 30C).6.Adhesive Properties and Performance6.1 The adhesives shall conform to the requirements sum-marized in Table 1.7.Materials and Apparatus for Conducting Tests7.1 AdhesivesThe adhesive shall be an expandable foamadhesive.7.2 Gypsum Wallboard12in.(12.7 mm)thic