| 摘要 |
The panel 10 includes first and second layers 12 and 14 which are formed from a flame retarding material and a separator layer 16 which is formed from a material which inhibits the passage of fluid therethrough, the separator layer 16 being arranged to separate the first and second layers 12 and 14. The first and second layers 12 and 14 are formed from any suitable flame retarding material which includes: gypsum, Praliper1 , sawdust or any suitable fibrous or cellular material, and Borax . |
