1、Designation:E2098/E2098M13(Reapproved 2018)Standard Test Method forDetermining Tensile Breaking Strength of Glass FiberReinforcing Mesh for Use in Class PB Exterior Insulationand Finish Systems(EIFS),after Exposure to a SodiumHydroxide Solution1This standard is issued under the fixed designation E20
2、98/E2098M;the number immediately following the designation indicates the yearof original adoption or,in the case of revision,the year of last revision.A number in parentheses indicates the year of last reapproval.A superscript epsilon()indicates an editorial change since the last revision or reappro
3、val.1.Scope1.1 This test method covers procedures for determining thebreaking force of glass fiber mesh following their conditioningin an alkali solution.The method is applicable to glass fibermesh used in Class PB Exterior Insulation and Finish Systems(EIFS)with base coats that contain portland cem
4、ent as aningredient.1.2 Breaking force is expressed both as force per unit widthof mesh and as a percentage of the breaking force of the meshthat has not been exposed to alkali conditioning.1.3 The values stated in either SI units or inch-pound unitsare to be regarded separately as standard.The valu
5、es stated ineach system may not be exact equivalents;therefore,eachsystem shall be used independently of the other.Combiningvalues from the two systems may result in non-conformancewith the standard.1.4 This standard does not purport to address all of thesafety concerns,if any,associated with its us
6、e.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.1.5 This international standard was developed in accor-dance with internationally recognized principles o
7、n 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:2D76/D76M Specification for Tensile Testing
8、Machines forTextilesD579/D579M Specification for Greige Woven Glass FabricsD5035 Test Method for Breaking Force and Elongation ofTextile Fabrics(Strip Method)E631 Terminology of Building ConstructionsE2110 Terminology for Exterior Insulation and Finish Sys-tems(EIFS)2.2 Other Documents:3EIFS Industr
9、y Members Association(EIMA)GuidelineSpecification for Exterior Insulation and Finish Systems(EIFS),Class PB3.Terminology3.1 For general terminology regarding EIFS and building ingeneral,see Terminology E2110(for EIFS terms)and Termi-nology E631(for buildings in general).4.Summary of Test Method4.1 S
10、pecimens are tested for breaking force with and with-out conditioning.Conditioning is immersion for 28 days in anaqueous solution of 5%sodium hydroxide.4.2 Breaking force is determined by mounting a test speci-men in a tensile testing machine and applying a force to thespecimen until it breaks.1This
11、 test method is under the jurisdiction of ASTM Committee E06 onPerformance of Buildings and is the direct responsibility of Subcommittee E06.58on Exterior Insulation and Finish Systems(EIFS).Current edition approved Sept.1,2018.Published September 2018.Originallyapproved in 2000.Last previous editio
12、n approved in 2013 as E2098/E2098M13.DOI:10.1520/E2098_E2098M13R18.2For 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
13、.3Available from the EIFS Industry Members Association(EIMA),513 WestBroad Street,Suite 210,Falls Church,VA 22046-3257,http:/.Copyright ASTM International,100 Barr Harbor Drive,PO Box C700,West Conshohocken,PA 19428-2959.United StatesThis international standard was developed in accordance with inter
14、nationally 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.1 5.Significance and Use5.1 Glass fiber reinforcing
15、meshes are used to strengthenEIFS.The reinforcing meshes are embedded into base coatsthat contain portland cement,which potentially exposes theglass fibers in the reinforcing meshes to weakening by theaction of alkali.The breaking force following alkali exposureas determined by this method,is a fact
16、or used to comparativelyevaluate the alkali resistance of EIFS glass fiber reinforcingmeshes in the laboratory.5.2 This test method does not purport to simulate theconditions that may be encountered in service.The perfor-mance of an EIFS is a function of many factors,such as properinstallation,rigidity of supporting construction and resistanceof the EIFS to deterioration by other causes.6.Apparatus and Reagents6.1 Tensile Testing Machine,of the controlled rate ofextension type,as defined in Spec