1.1These test methods cover procedures for testing flexible materials consisting of copper foil combined with either dielectric film or with treated or impregnated fabric to form flexible composites used in the manufacture of flexible or multilayer circuitry, or both.

1.2The procedures appear as follows:

Procedure	Section	ASTM Reference Method
Conditioning	5
Flex Life of the Composite	20 - 25
Peel Strength of the Composite	11 - 19
Specimen Preparation	6	D1825
Strain Relief Due to Etching	26 - 32
Testing of the Dielectric Portion of the Composite	7 - 10	D1825, D2305, D902

1.3The values stated in inch-pound units are to be regarded as standard. The values given in parentheses are mathematical conversions to SI units that are provided for information only and are not considered standard.

1.4This 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.