| 摘要 |
<p>Composite strip of material (A) made of a soft, elastic foamed strip (B) of polyurethane-ether that is flame-adhesion covered on both sides with a strip (C) of mesh, made of polyester and/or polyamide, for preparation of coatings for use in motor vehicles, aircraft and rail vehicles. (A) is 2-20 mm thick and its air permeability can be varied flexibly by altering the thickness of (B).</p> |
