ASTM B 882 : 2024

1.1This specification establishes the requirements for mill-produced pre-patinated (artificially aged) copper sheet and strip in ounce-weight or other standard mill-defined thicknesses supplied in flat lengths for roofing, flashing, and other architectural applications.

1.2The pre-patinated surface is the result of chemical reaction with the copper and shall be applied on one side of the product.

1.3The pre-patinated surface is not the result of industrially applied artificial coatings, similar to paint or any other finishes that prevent interaction between the copper and the climate.

1.4Materials made to this specification are not intended to be used for electrical applications.

1.5Units—The values stated in inch-pound units are to be regarded as standard. The values given in parentheses are mathematical conversions to SI units, which are provided for information only and are not considered standard.

1.6The following safety hazard caveat pertains only to the test method portion, Section 12, 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, health, and environmental practices and determine the applicability of regulatory limitations prior to use.

1.7This 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.