| 摘要 |
A fire barrier 10 comprises a first layer 12 which is flexible under fire conditions and a second layer 14 which comprises a support material incorporating a material expandable under fire conditions. The first layer may comprise a textile skin of glass fibre or basalt cloth, or a mild steel skin. The second layer may comprise a polymer matrix containing an exfoliable graphite. An inner core 16 comprising alternating layers of aluminium foil 22 and an absorbent paper 24 may be present. |
