| 摘要 |
A BILLBOARD HAVING A SELF-SUPPORTING, NON-COMBUSTIBLE PANEL (1) WHICH HAS A BASE LAYER FOR PRINTING INKS THAT CURE UNDER ULTRAVIOLET LIGHT. IN ORDER TO OBTAIN NON-COMBUSTIBLE BILLBOARDS, IT IS PROPOSED THAT THE PANEL (1) BE PRODUCED FROM FIBRE CEMENT AND PROVIDED WITH A DIRECTLY APPLIED ACRYLATE COATING (2), OPTIONALLY CONTAINING COLOUR PIGMENTS, AS BASE LAYER FOR ACRYLIC-BASED PRINTING INKS. |
