ASTM C1048-18

This international standard was developed in accordance with internationally recognized principles on standardization established in the Decision on Principles for the
Development of International Standards, Guides and Recommendations issued by the World Trade Organization Technical Barriers to Trade (TBT) Committee.
Designation:C1048 −18
Standard Specification for
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Heat-Strengthened and Fully Tempered Flat Glass
This standard is issued under the fixed designation C1048; the number immediately following the designation indicates the year of
original adoption or, in the case of revision, the year of last revision.Anumber in parentheses indicates the year of last reapproval.A
superscript 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.
1. Scope C724Test Method for Acid Resistance of Ceramic Decora-
tions on Architectural-Type Glass
1.1 This specification covers the requirements for mono-
C978Test Method for Photoelastic Determination of Re-
lithic flat heat-strengthened and fully tempered coated and
sidual Stress in a Transparent Glass Matrix Using a
uncoated glass produced on a horizontal tempering system
Polarizing Microscope and Optical Retardation Compen-
used in general building construction and other applications.
sation Procedures
1.2 This specification does not address bent glass, or heat-
C1036Specification for Flat Glass
strengthened or fully tempered glass manufactured on a verti-
C1203TestMethodforQuantitativeDeterminationofAlkali
cal tempering system.
Resistance of a Ceramic-Glass Enamel
C1279Test Method for Non-Destructive Photoelastic Mea-
1.3 The dimensional values stated in SI units are to be
regardedasthestandard.Theunitsgiveninparenthesesarefor surement of Edge and Surface Stresses in Annealed,
Heat-Strengthened, and Fully Tempered Flat Glass
information only.
C1376Specification for Pyrolytic and Vacuum Deposition
1.4 The following safety hazards caveat pertains only to the
Coatings on Flat Glass
test method portion, Section 10, of this specification: This
E1300PracticeforDeterminingLoadResistanceofGlassin
standard does not purport to address all of the safety concerns,
Buildings
if any, associated with its use. It is the responsibility of the user
2.2 ANSI Standard:
of this standard to establish appropriate safety, health, and
Z97.1Safety Performance Specifications and Methods of
environmental practices and determine the applicability of
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Test for Safety Glazing Materials Used in Buildings
regulatory limitations prior to use.
2.3 Other Documents:
1.5 This international standard was developed in accor-
CPSC 16 CFR 1201 Safety Standard for Architectural
dance with internationally recognized principles on standard-
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Glazing Materials
ization established in the Decision on Principles for the
GANA 01-0116Proper Procedures for Cleaning Architec-
Development of International Standards, Guides and Recom-
tural Glass Products
mendations issued by the World Trade Organization Technical
Barriers to Trade (TBT) Committee.
3. Terminology
3.1 Definitions—For definitions of terms used in this
2. Referenced Documents
specification, refer to Terminology C162 and Specification
2,3
2.1 ASTM Standards:
C1036.
C162Terminology of Glass and Glass Products
3.2 Definitions of Terms Specific to This Standard:
C346Test Method for 45-deg Specular Gloss of Ceramic
3.2.1 bow—the deviation in flatness of a lite of glass,
Materials
expressed over the entire width or length dimension of the
glass or over a smaller, local area (see 10.7 for measurement
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This specification is under the jurisdiction ofASTM Committee C14 on Glass technique).
and Glass Products and is the direct responsibility of Subcommittee C14.08 on Flat
3.2.2 coating voids, condition B—uncoated areas forming
Glass.
unintentional discernable irregularities in the intended flood
Current edition approved Oct. 1, 2018. Published November 2018. Originally
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approved in 1985. Last previous edition approved in 2012 as C1048–12a . DOI:
coat, pattern, or image.
10.1520/C1048-18.
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Reference to these documents shall be the latest issue unless otherwise
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specified by the authority applying this specification. Available from American National Standards Institute, 25 W. 43rd St., 4th
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For referenced ASTM standards, visit the ASTM website, www.astm.org, or Floor, NewYork, NY10036, and theAccredited Standards Committee Z97 website
contact ASTM Customer Service at service@astm.org. For Annual Book of ASTM in electronic format at www.ansiz97.com.
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Standards volume information, refer to the standard’s Document Summary page on Available from Superintendent of Documents, U.S. Government Printing
the ASTM website. Office, Washington, DC 20402.
Copyright © ASTM International, 100 Barr Harbor Drive, PO Box C700, West Conshohocken, PA 19428-2959. United States
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C1048−18
3.2.3 edge curl (also edge lift, edge kink)—an
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