1、Designation:E298815aAn American National StandardStandard Practice forSpecimen Preparation and Mounting of Flexible FibrousGlass Insulation for Metal Buildings to Assess SurfaceBurning Characteristics1This standard is issued under the fixed designation E2988;the number immediately following the desi
2、gnation 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 practice describes a procedure f
3、or specimen prepa-ration and mounting when testing Flexible Fibrous GlassInsulation for Metal Buildings to assess flame spread andsmoke development as surface burning characteristics usingTest Method E84.1.2 This practice applies to products described in Specifi-cation C991.1.3 This practice provide
4、s instructions for the testing of bothun-faced insulation(Specification C991 Type I)and faceinsulation(Specification C991 Type II).1.4 This practice does not provide pass/fail criteria that canbe used as a regulatory tool.1.5 Use the values stated in inch-pound units as the standardin referee decisi
5、ons.The values in the SI system of units aregiven in parentheses,for information only;see IEEE/ASTMSI-10 for further details.1.6 This fire standard cannot be used to provide quantitativemeasures.1.7 Fire testing of products and materials is inherentlyhazardous and adequate safeguards for personnel a
6、nd propertyshall be employed in conducting these tests.Fire testinginvolves hazardous materials,operations and equipment.1.8 This practice gives instructions on specimen preparationand mounting but the fire-test-response method shall be con-ducted in accordance with Test Method E84.See also Section8
7、 for information on operator safety.1.9 This standard does not purport to address all of thesafety concerns,if any,associated with its use.It is theresponsibility of the user of this standard to establish appro-priate safety and health practices and determine the applica-bility of regulatory limitat
8、ions prior to use.2.Referenced Documents2.1 ASTM Standards:2C168 Terminology Relating to Thermal InsulationC991 Specification for Flexible Fibrous Glass Insulation forMetal BuildingsE84 Test Method for Surface Burning Characteristics ofBuilding MaterialsE176 Terminology of Fire StandardsIEEE/ASTM SI
9、-10 American National Standard for Use ofthe International System of Units(SI):The Modern MetricSystem3.Terminology3.1 DefinitionsFor definitions of terms used in this prac-tice and associated with insulation issues,refer to terminologycontained in Terminology C168 or Specification C991.Fordefinitio
10、ns of terms used in this practice and associated withfire issues,refer to Terminology E176.3.2 Definitions of Terms Specific to This Standard:3.2.1 metal rods,nas related to fire testing,steel rods,14in.(6.3 mm)diameter and between 23 and 24 in.(0.58 and 0.61m)long.4.Summary of Practice4.1 This prac
11、tice describes a procedure for specimen prepa-ration and mounting when testing flexible fibrous glass insu-lation for metal buildings to assess flame spread and smokedevelopment as surface burning characteristics using TestMethod E84.4.2 Flexible fibrous glass insulation for metal buildings is afibr
12、ous glass insulation,furnished in two types as described inSpecification C991.Type I is an un-faced insulation blanket.Type II is a Type I blanket that is post-processed by alaminating process that applies an adhesive bonded facing toone surface.1This practice is under the jurisdiction of ASTM Commi
13、ttee E05 on FireStandards and is the direct responsibility of Subcommittee E05.22 on SurfaceBurning.Current edition approved July 1,2015.Published August 2015.Originallyapproved in 2015.Last previous edition approved in 2015 as E2988-15.DOI:10.1520/E2988-152For referenced ASTM standards,visit the AS
14、TM 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.Copyright ASTM International,100 Barr Harbor Drive,PO Box C700,West Conshohocken,PA 19428-2959.United States1
15、 4.3 Flexible fibrous glass insulation for metal buildingsshall be tested in accordance with the specimen preparation andmounting procedures described in this practice,using TestMethod E84.5.Significance and Use5.1 Flexible fibrous glass insulation for metal buildings isevaluated in accordance with
16、Test Method E84 to comply withbuilding code requirements.This practice describes,in detail,specimen mounting procedures for Type I and Type II metalbuilding insulation materials.5.2 The material to be tested shall be representative of theglass fiber blanket,facing and bonding adhesive used in actualfield installations.5.3 The limitations for this procedure are those associatedwith Test Method E84.6.Specimen Preparation and Mounting6.1 Test specimens shall consist of 24.5 6 0.5 ft(7.47 60.152 m)c