Trelleborg Marine and Infrastructure has unrivaled expertise in seal design and elastomer technology and is the world’s leading manufacturer of elastomeric gaskets for immersed, cut & cover and bored tunnels. For the segmental lining of bored tunnels, Trelleborg supplies tunnel segment gaskets (TSGs). Since 1985, our gaskets have been successfully supplied to major segmentally lined tunnel projects around the world. The TSGs, which are located in pre-cast grooves encircling the mating faces of each segment, give a secure rubber-to-rubber waterproof seal as soon as the segments are fixed together.
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