ASTM C1048-12

    Standard Specification for Heat-Strengthened and Fully Tempered Flat Glass


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    1. Scope

    1.1 This specification covers the requirements for monolithic flat heat-strengthened and fully tempered coated and uncoated glass produced on a horizontal tempering system used in general building construction and other applications.

    1.2 This specification does not address bent glass, or heat-strengthened or fully tempered glass manufactured on a vertical tempering system.

    1.3 The dimensional values stated in SI units are to be regarded as the standard. The units given in parentheses are for information only.

    1.4 The following safety hazards caveat pertains only to the test method portion, Section 10, of this specification: This standard does not purport to address all of the safety concerns, if any, associated with its use. It is the responsibility of the user of this standard to establish appropriate safety and health practices and determine the applicability of regulatory limitations prior to use.


    2. Referenced Documents (purchase separately) The documents listed below are referenced within the subject standard but are not provided as part of the standard.

    ASTM Standards

    C162 Terminology of Glass and Glass Products

    C346 Test Method for 45-deg Specular Gloss of Ceramic Materials

    C724 Test Method for Acid Resistance of Ceramic Decorations on Architectural-Type Glass

    C978 Test Method for Photoelastic Determination of Residual Stress in a Transparent Glass Matrix Using a Polarizing Microscope and Optical Retardation Compensation Procedures

    C1036 Specification for Flat Glass

    C1203 Test Method for Quantitative Determination of Alkali Resistance of a Ceramic-Glass Enamel

    C1279 Test Method for Non-Destructive Photoelastic Measurement of Edge and Surface Stresses in Annealed, Heat-Strengthened, and Fully Tempered Flat Glass

    C1376 Specification for Pyrolytic and Vacuum Deposition Coatings on Flat Glass

    E1300 Practice for Determining Load Resistance of Glass in Buildings


    ICS Code

    ICS Number Code 81.040.30 (Glass products)

    UNSPSC Code

    UNSPSC Code


    Referencing This Standard
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    DOI: 10.1520/C1048-12

    Citation Format

    ASTM C1048-12, Standard Specification for Heat-Strengthened and Fully Tempered Flat Glass , ASTM International, West Conshohocken, PA, 2012, www.astm.org

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