ASTM-C772 › Standard Test Method for Oil Migration or Plasticizer Bleed-Out of Preformed Tape Sealants
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Scope
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, health, and environmental practices and determine the applicability of regulatory limitations prior to use.
1.5 This international standard was developed in accordance with internationally recognized principles on standardization established in the Decision on Principles for the Development of International Standards, Guides and Recommendations issued by the World Trade Organization Technical Barriers to Trade (TBT) Committee.
Significance and Use
5.1 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.
Keywords
oil migration; plasticizer bleed; preformed tape sealants; tapes; tape sealants ;; ICS Number Code 91.100.50 (Binders. Sealing materials)
To find similar documents by ASTM Volume:
04.07 (Building Seals and Sealants; Fire Standards; Dimension Stone)
To find similar documents by classification:
91.100.50 (Binders. Sealing materials Including geomembranes, asphalts for buildings, etc.)
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Document Number
ASTM-C772-03(2019)
Revision Level
2003 R19 EDITION
Status
Current
Modification Type
Reapproval
Publication Date
May 7, 2019
Document Type
Test Method
Page Count
2 pages
Committee Number
C24.20