(Received 18 October 1993; accepted 27 March 1995)
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Existing accelerated laboratory adhesion tests for silicone sealants are shown to lack the discrimination necessary to assess relative adhesive behavior. A novel test protocol is offered that enables improved discrimination by more precisely quantifying the adhesive strength of the sealant/substrate system. The method is based on the simultaneous application of both mechanical and environmental stress, in order to promote adhesive failure at loads below the cohesive strength of the bulk sealant.
Experimental scientist, CSIRO Division of Building, Construction and Engineering, Highett, Victoria
Stock #: JTE11407J