| 摘要 |
A transparent or translucent plastics multiwall panel (10) includes at least one wall portion (24) which is formed of a first material which is generally opaque to non-visible IR (infra-red radiation). The panel may include a coloured layer 22 and/or a UV stabilizer layer (26). The layer(s) (24, 22, 26) are co-extruded with the base structure (12) of the panel. <IMAGE> |
