ASTM E2098 E2098M-2013 Standard Test Method for Determining Tensile Breaking Strength of Glass Fiber Reinforcing Mesh for Use in Class PB Exterior Insulation and Finish Systems (EIn.pdf
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1、Designation: E2098 00 (Reapproved 2006)E2098/E2098M 13Standard 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 de
2、signation E2098;E2098/E2098M; the number immediately following the designation indicatesthe year of original adoption or, in the case of revision, the year of last revision. A number in parentheses indicates the year of lastreapproval. A superscript epsilon () indicates an editorial change since the
3、 last revision or reapproval.1. Scope1.1 This test method covers procedures for determining the breaking force of glass fiber mesh following their conditioning inan alkali solution. The method is applicable to glass fiber mesh used in Class PB Exterior Insulation and Finish Systems (EIFS)with base c
4、oats that contain portland cement as an ingredient.1.2 Breaking force is expressed both as force per unit width of mesh and as a percentage of the breaking force of the mesh thathas not been exposed to alkali conditioning.1.3 The values stated in either SI units or inch-pound units are to be regarde
5、d separately as the standard. The values given inparentheses are for information only.stated in each system may not be exact equivalents; therefore, each system shall be usedindependently of the other. Combining values from the two systems may result in non-conformance with the standard.1.4 This sta
6、ndard does not purport to address all of the safety concerns, if any, associated with its use. It is the responsibilityof the user of this standard to establish appropriate safety and health practices and determine the applicability of regulatorylimitations prior to use.2. Referenced Documents2.1 AS
7、TM Standards:2D76D76/D76M Specification for Tensile Testing Machines for TextilesD579D579/D579M Specification for Greige Woven Glass FabricsD5035 Test Method for Breaking Force and Elongation of Textile Fabrics (Strip Method)E631 Terminology of Building ConstructionsE2110 Terminology for Exterior In
8、sulation and Finish Systems (EIFS)2.2 Other Documents:3EIFS Industry Members Association (EIMA) Guideline Specification for Exterior Insulation and Finish Systems (EIFS), ClassPB3. Terminology3.1 For general terminology regarding EIFS and building in general, see Terminology E2110 (for EIFS terms) a
9、nd TerminologyE631 (for buildings in general).4. Summary of Test Method4.1 Specimens are tested for breaking force with and without conditioning. Conditioning is immersion for 28 days in an aqueoussolution of 5%5 % sodium hydroxide.1 This test method is under the jurisdiction ofASTM Committee E06 on
10、 Building ConstructionsPerformance of Buildings and is the direct responsibility of SubcommitteeE06.58 on Exterior Insulation and Finish Systems (EIFS).Current edition approved Sept. 1, 2006Sept. 1, 2013. Published September 2006September 2013. Originally approved in 2000. Last previous edition appr
11、oved in 20002006as E2098 00.E2098 00 (2006). DOI: 10.1520/E2098-00R06.10.1520/E2098_E2098M-13.2 For referencedASTM standards, visit theASTM website, www.astm.org, or contactASTM Customer Service at serviceastm.org. For Annual Book of ASTM Standardsvolume information, refer to the standards Document
12、Summary page on the ASTM website.3 Available from the EIFS Industry MEmbers Association (EIMA) 3000 Corporate Center Drive, Suite 270 Morrow, Georgia 30260.Members Association (EIMA), 513West Broad Street, Suite 210, Falls Church, VA 22046-3257, http:/.This document is not an ASTM standard and is in
13、tended only to provide the user of an ASTM standard an indication of what changes have been made to the previous version. Becauseit may not be technically possible to adequately depict all changes accurately, ASTM recommends that users consult prior editions as appropriate. In all cases only the cur
14、rent versionof the standard as published by ASTM is to be considered the official document.Copyright ASTM International, 100 Barr Harbor Drive, PO Box C700, West Conshohocken, PA 19428-2959. United States14.2 Breaking force is determined by mounting a test specimen in a tensile testing machine and a
15、pplying a force to the specimenuntil it breaks.5. Significance and Use5.1 Glass fiber reinforcing meshes are used to strengthen EIFS. The reinforcing meshes are embedded into base coats thatcontain portland cement, which potentially exposes the glass fibers in the reinforcing meshes to weakening by
16、the action of alkali.The breaking force following alkali exposure as determined by this method, is a factor used to comparatively evaluate the alkaliresistance of EIFS glass fiber reinforcing meshes in the laboratory.5.2 This test method does not purport to simulate the conditions that may be encoun
17、tered in service. The performance of anEIFS is a function of many factors, such as proper installation, rigidity of supporting construction and resistance of the EIFS todeterioration by other causes.6. Apparatus and Reagents6.1 Tensile Testing Machine, of the controlled rate of extension type, as de
18、fined in Specification D76D76/D76M, clumps andjaw faces conforming to those in Test Method D5035.6.2 Container and container cover for alkali solutionmaterial inert to alkali of suitable dimensions to permit unbent meshspecimens to be fully covered with a depth of 25 mm (1 in.)1 in. of alkali soluti
19、on. The cover for the container shall be of suitabledesign to prevent evaporative loss from the solution which would increase its concentration.6.3 Distilled water6.4 Reagent Grade Sodium Hydroxide7. Sampling7.1 Laboratory Samplefrom a sample roll, cut 30 specimens 50 6 3 mm (2 in.)2 in. wide at lea
20、st 600 mm 6 13 mm (24in.)24 in. long; 15 specimens with their long dimensions parallel to the machine (warp) direction, and 15 specimens with theirlong dimensions parallel to the cross (fill) direction.7.2 The actual number of yarns shall be equal within the width dimensional tolerance allowed (6 3
21、(63 mm 18 in.), and theactual number of yarns shall be reported.7.3 Specimens shall be spaced across the width of the fabric to ensure representation of different warp yarns. Fill specimensshall be from widely spaced locations within the sample roll.8. Preparation of Specimens8.1 Number each specime
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