ASTM C 1422/C1422M : 2015
Superseded
A superseded Standard is one, which is fully replaced by another Standard, which is a new edition of the same Standard.
A superseded Standard is one, which is fully replaced by another Standard, which is a new edition of the same Standard.
Standard Specification for Chemically Strengthened Flat Glass
Hardcopy , PDF
24-08-2020
English
01-11-2015
1.1This specification covers the requirements for chemically strengthened glass products that are used in general building construction, transportation, and other applications, such as PC screens, notebooks, tablets, smart phones, and E-readers, as well as copy machine scanners, computer disks, and flat glass screens for television monitors. Techniques such as ion implantation, dealkalization, etch-strengthening, and glaze coatings are specifically excluded.
1.2Classification of chemically strengthened glass products is based on the laboratory measurements of surface (depth of compression) compression and case depth and not on the modulus of rupture (MOR). This specification does not purport to address end-use performance.
1.3A test method for the measurement of case depth and surface compression is included in Section 8.
1.4The values stated in either SI units or inch-pound units are to be regarded separately as standard. The values stated in each system may not be exact equivalents; therefore, each system shall be used independently of the other. Combining values from the two systems may result in non-conformance with the standard.
1.5This 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.
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