This test method covers measurement of the contact angle of water droplets on corona-treated polymer film surfaces. Note 1 -There is no similar or equivalent ISO standard. The values stated in SI units are to be regarded as the standard. The values given in brackets are for information only. 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.