Standard Test Method for Blocking Load of Plastic Film by the Parallel Plate Method
|Publication Date:||10 August 1996|
|ICS Code (Films and sheets):||83.140.10|
1.1 This test method yields quantitative information regarding the degree of blocking (unwanted adhesion) existing between layers of plastic film. It is not intended to measure susceptibility to blocking.
1.2 By this procedure, the film-to-film adhesion is expressed as a blocking load in grams which will cause two layers of polyethylene film to separate with an area of contact of 100 cm2. The test method is limited to a maximum load of 200 g. See also Test Method D 1893.
1.3 The values stated in SI units are to be regarded as the standard. The values given in parentheses are for information only.
1.4 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.
NOTE 1--This test method resembles ISO 11502 in title only. The content is significantly different.