THERMALLY EXPANDABLE COMPOSITIONS AND USE THEREOF IN WELDING SEALER TAPES
A thermally expandable composition including at least one solid rubber R, at least on tackifying resin, at least one blowing agent, a vulcanization system, and 0.5-30 wt.-% of fibrous magnesium oxysulphate or carbon fibers or a mixture thereof. Also, a shaped article including a substrate layer comp...
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