1、Designation:C1048121Standard Specification forHeat-Strengthened and Fully Tempered Flat Glass1This standard is issued under the fixed designation C1048;the number immediately following the designation indicates the year oforiginal adoption or,in the case of revision,the year of last revision.A numbe
2、r in parentheses indicates the year of last reapproval.Asuperscript epsilon()indicates an editorial change since the last revision or reapproval.This standard has been approved for use by agencies of the U.S.Department of Defense.1NOTESection 9 was updated editorially in November 2012.1.Scope1.1 Thi
3、s specification covers the requirements for mono-lithic flat heat-strengthened and fully tempered coated anduncoated glass produced on a horizontal tempering systemused in general building construction and other applications.1.2 This specification does not address bent glass,or heat-strengthened or
4、fully tempered glass manufactured on a verti-cal tempering system.1.3 The dimensional values stated in SI units are to beregarded as the standard.The units given in parentheses are forinformation only.1.4 The following safety hazards caveat pertains only to thetest method portion,Section 10,of this
5、specification:Thisstandard does not purport to address all of the safety concerns,if any,associated with its use.It is the responsibility of the userof this standard to establish appropriate safety and healthpractices and determine the applicability of regulatory limita-tions prior to use.2.Referenc
6、ed Documents2.1 ASTM Standards:2,3C162 Terminology of Glass and Glass ProductsC346 Test Method for 45-deg Specular Gloss of CeramicMaterialsC724 Test Method for Acid Resistance of Ceramic Decora-tions on Architectural-Type GlassC978 Test Method for Photoelastic Determination of Re-sidual Stress in a
7、 Transparent Glass Matrix Using aPolarizing Microscope and Optical Retardation Compen-sation ProceduresC1036 Specification for Flat GlassC1203 Test Method for Quantitative Determination ofAlkaliResistance of a Ceramic-Glass EnamelC1279 Test Method for Non-Destructive Photoelastic Mea-surement of Edg
8、e and Surface Stresses in Annealed,Heat-Strengthened,and Fully Tempered Flat GlassC1376 Specification for Pyrolytic and Vacuum DepositionCoatings on Flat GlassE1300 Practice for Determining Load Resistance of Glass inBuildings2.2 ANSI Standard:Z97.1 Safety Performance Specifications and Methods ofTe
9、st for Safety Glazing Materials Used in Buildings42.3 Other Documents:CPSC 16 CFR 1201Safety Standard for ArchitecturalGlazing Materials53.Terminology3.1 DefinitionsFor definitions of terms used in thisspecification,refer to Terminology C162 and SpecificationC1036.3.2 Definitions of Terms Specific t
10、o This Standard:3.2.1 bow,nthe deviation in flatness of a lite of glass,expressed over the entire width or length dimension of theglass or over a smaller,local area(see 10.7 for measurementtechnique).Also known as warp.3.2.2 heat-treated glass,na term used to reference bothheat-strengthened and full
11、y tempered glass.3.2.3 heat-treating,vthe process of heating and coolingannealed glass in a tempering system to produce eitherheat-strengthened or fully tempered glass.1This specification is under the jurisdiction of ASTM Committee C14 on Glassand Glass Products and is the direct responsibility of S
12、ubcommittee C14.08 on FlatGlass.Current edition approved March 15,2012.Published May 2012.Originallyapproved in 1985.Last previous edition approved in 2004 as C1048 04.DOI:10.1520/C1048-12E01.2Reference to these documents shall be the latest issue unless otherwisespecified by the authority applying
13、this specification.3For 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.4Available from American National Standards Ins
14、titute,25 W.43rd St.,4thFloor,New York,NY 10036,and the Accredited Standards Committee Z97 websitein electronic format at .5Available from Superintendent of Documents,U.S.Government PrintingOffice,Washington,DC 20402.Copyright ASTM International,100 Barr Harbor Drive,PO Box C700,West Conshohocken,PA
15、 19428-2959.United States1 3.2.4 thermal stress,nedge stress caused by thermalgradients across the glass surface.4.Classification4.1 KindsFlat glass furnished under this specificationshall be of the following kinds,as specified(see Section 6):4.1.1 Kind HSHeat-strengthened glass shall be flat glass,
16、either transparent or patterned,in accordance with the appli-cable requirements of Specification C1036 as further processedto conform with the requirements hereinafter specified forheat-strengthened glass.4.1.2 Kind FTFully tempered glass shall be flat glass,either transparent or patterned in accordance with the appli-cable requirements of Specification C1036 as further processedto conform with the requirements hereinafter specified for fullytempered glass.4.2 ConditionsGlass furnished under thi