ASTM C 1503 : 2008 : R2013

1.1This specification covers the requirements for silvered flat glass mirrors of rectangular shape supplied as cut sizes, stock sheets or as lehr ends and to which no further processing (such as edgework or other fabrication) has been done.

1.2This specification covers the quality requirements of silvered annealed monolithic clear and tinted flat glass mirrors up to 6 mm (¹/₄in.) thick. The mirrors are intended to be used indoors for mirror glazing, for components of decorative accessories or for similar uses.

1.3This specification does not address safety glazing materials nor requirements for mirror applications. Consult model building codes and other applicable standards for safety glazing applications.

1.4Mirrors covered in this specification are not intended for use in environments where high humidity or airborne corrosion promoters, or both, are consistently present (such as swimming pool areas, ocean-going vessels, chemical laboratories and other corrosive environments).

1.5The dimensional values stated in metric units are to be regarded as the standard. The inch-pound units given in parentheses are for information only.

1.6The following safety hazards caveat pertains only to the test method portion Section 7 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 requirements prior to use.