Mechanical properties of sealants Pt. IV : Performance testing of two-part polysulfide sealants

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AuthorSearch for:
TypeArticle
Journal titleJournal of Paint Technology
ISSN0094-8691
Volume45
Issue580
Pages4957; # of pages: 9
Subjectpolysulfide sealants; mechanical properties; performance criteria; tensile tests; sealants; building sealants; polysulfide alants; mechanical properties of sealants; rate of movement dependence of mechanical properties of sealants; temperature dependence of mechanical properties of sealants; performance testing of sealants; Buildings; mastic polysulfureux; propriete mecanique; exigence de performance; essai de traction
AbstractThe mechanical behavior of a two-part polysulfide sealant is defined, using an artificially aged model specimen, by its primary variables: stress, strain, time and temperature. Time-temperature superposition was successfully made on the data, thereby reducing the number of variables to three, and the sealant characterized by the property surface of a three- dimension co-ordinate system. Projection of the break points in the log-strain vs. log-time plane is the link between laboratory testing and outdoor performance. Based on this projection a single value was derived to characterize the sealant. The testing procedure described is suitable for standards.
Publication date
LanguageEnglish
AffiliationNRC Institute for Research in Construction; National Research Council Canada
Peer reviewedNo
IdentifierDBR-RP-564
NRC number13322
2687
NPARC number20374077
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Record identifier80471d8b-4ccc-4b77-a7b2-b45892152fbd
Record created2012-07-23
Record modified2016-05-09
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