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ASTM C772-03

Current Revision

Standard Test Method for Oil Migration or Plasticizer Bleed-Out of Preformed Tape Sealants

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1.1 This test method covers a laboratory procedure that can be used to determine the oil migration or plasticizer bleed-out of preformed tape sealants.

1.2 The values stated in acceptable metric units are to be regarded as the standard. The values given in parentheses are for information only.

1.3 The subcommittee with jurisdiction is not aware of any similar ISO standard.

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.


Preformed tape sealants are tacky, deformable solids that are used under compression between two substrates in a variety of sealing applications. In general, oil migration or plasticizer bleed-out is not desirable. However, in some limited instances, a controlled amount of plasticizer migration is sometimes desired in order to improve the penetration of the tape into the interstices of porous substrates. This test method is designed to indicate whether or not a preformed tape sealant exhibits oil or plasticizer migration and, if so, to what extent.

SDO ASTM: ASTM International
Document Number C772
Publication Date May 10, 2003
Language en - English
Page Count 2
Revision Level 03
Supercedes
Committee C24.20
Publish Date Document Id Type View
May 10, 2003 C0772-03 Revision
July 10, 1997 C0772-97 Revision
May 1, 2019 C0772-03R19 Reaffirmation
June 1, 2014 C0772-03R14 Reaffirmation
Jan. 1, 2009 C0772-03R09 Reaffirmation