1、Designation:D779912a(Reapproved 2021)Standard Specification forTufted and Woven Broadloom Carpet Adhesives WithoutHomogenous PVC or Non-PVC Backings1This standard is issued under the fixed designation D7799;the number immediately following the designation indicates the year oforiginal adoption or,in
2、 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 establishes minimum requirementsfor adhesives used for the installatio
3、n of tufted or wovenbroadloom carpet,within a climate controlled structure,whenadhered directly,and permanently,to a structurally sound andrecommended substrate.1.2 This specification will provide the means to determineadhesive bonding variation as a result of different carpetbacking systems and the
4、ir usage classifications based on thetraffic conditions they are subjected to.1.3 This specification is not applicable to specialty adhe-sives such as those necessary for PVC and Non-PVC backedcarpet tile and broadloom where the backing would be consid-ered homogenous in nature.1.4 The values stated
5、 in inch-pound units are to be regardedas standard.The values given in parentheses are mathematicalconversions to SI units that are provided for information onlyand are not considered standard.1.5 This standard does not purport to address all of thesafety concerns,if any,associated with its use.It i
6、s 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 stan
7、dard-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 TextilesD907 Termino
8、logy of AdhesivesD1084 Test Methods for Viscosity of AdhesivesD1337 Practice for Storage Life of Adhesives by Viscosityand Bond StrengthD2556 Test Method for Apparent Viscosity of AdhesivesHaving Shear-Rate-Dependent Flow Properties Using Ro-tational ViscometryD4783 Test Methods for Resistance of Ad
9、hesive Prepara-tions in Container to Attack by Bacteria,Yeast,and FungiD6004 Test Method for Determining Adhesive ShearStrength of Resilient Flooring and Carpet AdhesivesD6325 Test Method for Determining Open Assembly Timeof Carpet Mastic AdhesivesD6862 Test Method for 90 Degree Peel Resistance ofAd
10、hesivesD6962 Practice for Operation of a Roller Chair Tester forPile Yarn Floor CoveringsD7149 Practice for Determining the Freeze Thaw Stabilityof AdhesivesD7532 Practice for Determination of Re-tack Ability ofCarpet AdhesivesE2471 Test Method for Using Seeded-Agar for the Screen-ing Assessment of
11、Antimicrobial Activity In CarpetsF2199 Test Method for Determining Dimensional Stabilityand Curling Properties of Resilient Flooring after Expo-sure to Heat2.2 ISO Standard:3ISO 4918 Resilient,textile and laminate floor coverings Castor chair test1This specification is under the jurisdiction of ASTM
12、 Committee D14 onAdhesives and is the direct responsibility of Subcommittee D14.70 on ConstructionAdhesives.Current edition approved Jan.1,2021.Published January 2021.Originallyapproved in 2012.Last previous edition approved in 2012 as D7799 12a.DOI:10.1520D7799-12AR21.2For referenced ASTM standards
13、,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.3Available from American National Standards Institute(ANSI),25 W.43rd St.,4th Floor,New York,NY
14、10036,http:/www.ansi.org.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 the
15、Development of International Standards,Guides and Recommendations issued by the World Trade Organization Technical Barriers to Trade(TBT)Committee.12.3 Other Document:4OSHA Regulations 29 CFR paragraphs 19101210Section 313 of Title III Superfund Amendments and Reau-thorization Act of 198640 CFR 372
16、Toxic Chemical Release Reporting:CommunityRight-to-Know3.Terminology3.1 Definitions:3.2 Backing Systems:3.2.1 primary backing,nfor tufted pile yarn floorcovering,the fabric through which the pile yarn is carried byneedles to form tufts;the backing fabric.3.2.2 secondary backing,nfor pile yarn floor covering,asuitable material adhered to or adhered to the underside of theprimary backing fabric.3.2.3 hotmelt backing,nthe uppermost layer of carpetbacking where carpet fiber bundles are physically at
