| 摘要 |
<p>The present invention concerns a light weight sandwich panel for the building industry and also in other industries such as transportation, marine- and aerospace industry having high fire resistance, comprising:
(a) a honeycomb core (1) made of a polymeric material;
(b)a first skin facing (2A) applied to a first main face of the honeycomb core (1) comprising a first polymeric material layer (3A) in contact with the honeycomb or with an adhesive applied to the honeycomb;
(c) a second skin facing (2B) applied to the second main face of the honeycomb core (1) and comprising a first layer (3B) of second polymeric material in contact with the honeycomb or with an adhesive applied to the honeycomb, and
Characterized in that, The cells of the honeycomb core are at least partially filled with a mixture (4) of crude vermiculite particles (5A) and exfoliated vermiculite particles (5B).</p> |
