This test method establishes the standard procedure for determining the resistance of leather to blocking under specific conditions of temperature, humidity, and pressure. This method is not applicable to wet blue. This procedure requires the use of a forced circulating hot air oven, American Medical Museum jar with lid, Petri dish with cover, and weights.

1.1 This test method covers determination of the resistance of leather to blocking under specific conditions of temperature, humidity, and pressure. This test method does not apply to wet blue.

1.2 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.