| 摘要 |
<p>A sealing strip (10) comprising an elongate flexible backing layer (18) on which is provided a layer of sealant (12) and preferably a release liner (14). The backing layer (18) is preferably formed from natural or synthetic rubber and the sealant (12) is preferably a butyl rubber composition. One or more lengths of unstretchable material extend longitudinally of the sealing strip to inhibit longitudinal stretching.</p> |
