ASTM_D_907_-_15.pdf

Designation:D90715Standard Terminology ofAdhesives1This standard is issued under the fixed designation D907;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 terminology standard is a compilation of defini-tions used in the science and technology of the adhesivesindustry.Terms that are generally understood or adequatelydefined in other readily available sources are not included.1.2 Any changes in this standard since 1988 are documentedas follows:1.2.1 Appendix X1 gives a history of revisions made since1988.Table X1.1 lists the terms that are affected as:(1)TermsAdded,(2)Terms Revised,and(3)Terms Deleted.1.2.1.1 In Table X1.1,the year of publication in Volume15.06 is shown in parentheses following the term.1.2.2 In the text of the standard,the year of publication isshown following each definition.Also,the following codes areincluded after the year of publication to describe the typechange that was made:(A)Addition,(R)Revision,or(E)Edited.1.2.3 Deletions are shown in Appendix X1,suitably foot-noted.The deleted terms do not appear in the text of thestandard.1.2.4 Any special circumstances not covered by 1.2.2 and1.2.3 are documented in Table X1.1,suitably footnoted.2.Referenced Documents2.1 ASTM Standards:2D618 Practice for Conditioning Plastics for TestingD2849 Methods of Testing Urethane Foam Polyol RawMaterials(Withdrawn 1987)3D2507 Terminology of Rheological Properties of GelledRocket Propellants(Withdrawn 2003)3D2990 Test Methods for Tensile,Compressive,and FlexuralCreep and Creep-Rupture of PlasticsD3983 Test Method for Measuring Strength and ShearModulus of Nonrigid Adhesives by the Thick-AdherendTensile-Lap SpecimenD4027 Test Method for Measuring Shear Properties ofStructural Adhesives by the Modified-Rail TestD4317 Specification for Polyvinyl Acetate-Based EmulsionAdhesivesD4499 Test Method for Heat Stability of Hot-Melt Adhe-sivesD4680 Test Method for Creep and Time to Failure ofAdhesives in Static Shear by Compression Loading(Wood-to-Wood)D5266 Practice for Estimating the Percentage of WoodFailure in Adhesive Bonded JointsE6 Terminology Relating to Methods of Mechanical Testing3.Terminologyacceptance test,na test,or series of tests conducted by theprocuring agency,or an agent thereof,upon receipt todetermine whether an individual lot of materials conforms tothe purchase order or contract or to determine the degree ofuniformity of the material supplied by the vendor,or both.(Compare preproduction test and qualification test.)acid number,nthe quantity of base,expressed in milligramsof potassium hydroxide,that is required to titrate acidicconstituents present in 1 g of sample.(1992)(A)D2849,D20adhere,vto cause two surfaces to be held together byadhesion.adherend,na body held to another body by an adhesive.adherend preparation,nsee surface preparation.adhesion,nthe state in which two surfaces are held togetherby interphase forces.mechanical adhesion,nadhesion between surfaces inwhich the adhesive holds the parts together by interlockingaction.specific adhesion,nadhesion between surfaces which areheld together by intermolecular forces of a chemical orphysical nature.(2000)(R)adhesion failure,nrupture of an adhesive bond in which theseparation appears visually to be at the adhesive/adherendinterface.1This terminology is under the jurisdiction of ASTM Committee D14 onAdhesives and is the direct responsibility of Subcommittee D14.04 on Terminology.Current edition approved Sept.15,2015.Published October 2015.Originallyapproved in 1947.Last previous edition approved in 2012 as D907 12a.DOI:10.1520/D0907-15.2For 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.Copyright ASTM International,100 Barr Harbor Drive,PO Box C700,West Conshohocken,PA 19428-2959.United States1 adhesion promoter,na substance used to improve bondingof the adhesive to the substrate.(Compare coupling agentand primer.)DISCUSSIONThe adhesion promoter may be added to an adhesiveformulation or applied to the substrate.adhesive,na substance capable of holding materials togetherby surface attachment.(See also glue,gum,mucilage,paste,resin,and sizing.)DISCUSSIONAdhesive is the general term and includes among otherscement,glue,mucilage,and paste.These terms are loosely usedinterchangeably.Various descriptive adjectives are applied to the termadhesive to indicate certain characteristics as follows:(1)Physical form,that is,liquid adhesive,tape adhesive(2)Chemical type,that is,silicate adhesive,resin adhesive(3)Materials bonded,that is,p