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ASTM D3354-08

Historical Revision

Standard Test Method for Blocking Load of Plastic Film by the Parallel Plate Method

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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, expressed as a blocking load in grams, will cause two layers of film with an area of contact of 100 cm2 to separate. The test method is limited to a maximum load of 200 g.

1.3 The values stated in SI units are to be regarded as 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 is similar to ISO 11502 Method B, but is not technically equivalent.


Blocking develops in film processing and storage when layers of smooth film are in intimate contact with nearly complete exclusion of air. Temperature, or pressure, or both, can induce or change the degree of adhesion of the surfaces.

The procedure of this test method closely simulates the operation of separating film in some end-use applications.

SDO ASTM: ASTM International
Document Number D3354
Publication Date Nov. 1, 2008
Language en - English
Page Count 3
Revision Level 08
Supercedes
Committee D20.19
Publish Date Document Id Type View
Dec. 1, 2021 D3354-21 Revision
April 1, 2015 D3354-15 Revision
May 1, 2011 D3354-11 Revision
Nov. 1, 2008 D3354-08 Revision
Sept. 1, 2004 D3354-04 Revision
Jan. 1, 1996 D3354-96 Revision