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include a deformable portion interconnected to a vapour barrier portion by way of a mechanical or adhesive interlocking connection. This deformable portion can be made from an elastomeric material. The vapour barrier portion can be formed from a wide variety of materials that inhibit permeation of t
or more of what are termed stress-control grooves on its surface. These grooves enable material to deform laterally and increase the contact stress between seal and counter-surface at the corners of the groove. The design is intended to preserve sealing integrity over wide temperature excursions exp
Applicant: Bridgestone Corporation, Japan A photocurable composition is described that is intended to improve reworkability as a sealing material, while securing an adequate hardness. It contains a photocurable liquid resin, a (meth) acrylate monomer and a photopolymerization initiator. The photocur