1、Designation:D779912aStandard 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 the case of revi
2、sion,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 installation of tufted or wo
3、venbroadloom 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 their usage classifi
4、cations 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 in inch-pound un
5、its 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 is theresponsibili
6、ty of the user of this standard to establish appro-priate safety and health practices and determine the applica-bility of regulatory limitations prior to use.2.Referenced Documents2.1 ASTM Standards:2D123 Terminology Relating to TextilesD907 Terminology of AdhesivesD1084 Test Methods for Viscosity o
7、f AdhesivesD1337 Practice for Storage Life of Adhesives by Viscosityand Bond StrengthD2556 Test Method for Apparent Viscosity of AdhesivesHaving Shear-Rate-Dependent Flow PropertiesD4783 Test Methods for Resistance of Adhesive Prepara-tions in Container to Attack by Bacteria,Yeast,and FungiD6004 Tes
8、t Method for Determining Adhesive ShearStrength of Carpet AdhesivesD6325 Test Method for Determining Open Assembly Timeof Carpet Mastic AdhesivesD6862 Test Method for 90 Degree Peel Resistance ofAdhesivesD6962 Practice for Operation of a Roller Chair Tester forPile Yarn Floor CoveringsD7149 Practice
9、 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 Antimicrobial Activity In CarpetsF2199 Test Method for Determining Dimensional Stabilityof Resilient Fl
10、oor Tile after Exposure to Heat2.2 ISO Standard:3ISO 4918 Resilient,textile and laminate floor coverings Castor chair test2.3 Other Document:4OSHA Regulations 29 CFR paragraphs 19101210Section 313 of Title III Superfund Amendments and Reau-thorization Act of 198640 CFR 372 Toxic Chemical Release Rep
11、orting: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.1This specification is under the jurisdiction of ASTM Committee D14 onA
12、dhesives and is the direct responsibility of Subcommittee D14.70 on ConstructionAdhesives.Current edition approved Sept.1,2012.Published November 2012.Originallyapproved in 2012.Last previous edition approved in 2012 as D7799 12.DOI:10.1520D779912A.2For referenced ASTM standards,visit the ASTM websi
13、te,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 10036,http:/www.ansi.
14、org.4Available from U.S.Government Printing Office Superintendent of Documents,732 N.Capitol St.,NW,Mail Stop:SDE,Washington,DC 20401,http:/www.access.gpo.gov.Copyright ASTM International,100 Barr Harbor Drive,PO Box C700,West Conshohocken,PA 19428-2959.United States1 3.2.2 secondary backing,nfor pi
15、le 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 attached atthe base to the backing structure,a thermo-polymer;(that is,ethylene vinyl ac
16、etate hot-melt adhesive).3.2.4 unitary backing,nthe uppermost layer of carpetbacking where carpet fiber bundles are physically attached atthe base to the backing structure without the use of a secondarybacking;this layer is typically constructed of synthetic latex(ethylene vinyl acetate,styrene butadiene).E24714.Classification4.1 Class 1,Heavy Traffc,commercial use,airports,con-vention centers,concentrated rolling loads,casinos,etc.;natu-ral or synthetic fiber backing system;including unitary ba
