Accelerated weathering test for glass fiber reinforced polyester (GRP) sheets

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TypeArticle
Journal titleASTM Special Technical Publication
ISSN0066-0558
Volume691
Pages874889; # of pages: 16
Subjectpolyester; glass fibres; accelerated tests; weathering tests; durability; building materials; durability; surface degradation; fiber pop-out; surface microcracking; fire-retardant grp; non-gel-coated grp; conventional grp; Plastics; polyester; fibre de verre; essai accelere; essai climatique; durabilite
AbstractWith the development of GRP's of improved durability to weathering it has become necessary to devise accelerated weathering tests that permit assessment of their performance and durability within a reasonable time. The new artificial weathering procedure subjects GRP materials to a cycle of 2 h xenon arc radiation (twice the intensity used in the previously reported cycle of 4 h radiation and 4 h cold water spray) and 0.67 h cold water spray. Exposure of fire- retardant, non-gel-coated, and conventional GRP sheets induced surface degradation similar to that produced by both the 4-4 cycle and outdoor exposure in a considerably shorter time. The acceleration rate was 2.0 to 3.5 (compared with the 4-4 cycle) and 5 to 30 (compared with outdoors).
Publication date
LanguageEnglish
AffiliationNRC Institute for Research in Construction; National Research Council Canada
Peer reviewedYes
IdentifierDBR-P-941
NRC number18643
90
NPARC number20331280
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Record identifiercc6df4d7-fe53-4a7b-b272-47c57a40ef86
Record created2012-07-18
Record modified2016-05-09
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