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Standard Test Method for Effects of Laboratory Accelerated Weathering on Elastomeric Joint Sealants
Automatische name übersetzung:
Standard Test Method for Auswirkungen der Labor Schnellbewitterung auf Elastomerfugenabdichtungen
NORM herausgegeben am 1.6.2010
Bezeichnung normen: ASTM C793-05(2010)
Anmerkung: UNGÜLTIG
Ausgabedatum normen: 1.6.2010
SKU: NS-15091
Zahl der Seiten: 4
Gewicht ca.: 12 g (0.03 Pfund)
Land: Amerikanische technische Norm
Kategorie: Technische Normen ASTM
Keywords:
accelerated weathering, sealant, ultraviolet, weathering, Accelerated aging/testing--building materials, Accelerated aging/testing--elastomeric sealants, Accelerated weathering--sealants, Joint seals/sealants, Temperature tests--building materials, Ultraviolet (UV) analysis--sealants, Weathering (sealants), ICS Number Code 83.060 (Rubber), 91.100.50 (Binders. Sealing materials)
Significance and Use | ||||||
It is known that solar radiation contributes to the degradation of sealants in exterior building joints. The use of a laboratory accelerated weathering machine with actinic radiation, moisture and heat appears to be a feasible means to give indications of early degradation by the appearance of sealant cracking. However, simulated weather factors in combination with extension may produce more severe degradation than weather factors only. Therefore, the effect of the weathering test is made more sensitive by the addition of the bending of the specimen at cold temperature. |
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1. Scope | ||||||
1.1 This test method covers a laboratory procedure for determining the effects of accelerated weathering on cured-in-place elastomeric joint sealants (single- and multicomponent) for use in building construction. 1.2 The values stated in SI units are to be regarded as the standard. The values in parentheses are for information only. 1.3 The committee with jurisdiction over this standard is not aware of any comparable standards published by other ASTM committees or other organizations. 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. |
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2. Referenced Documents | ||||||
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