Fig. 1
HD safe sheet-U (a: structure, b: photograph) and HD safe sheet-U application in lavatories (c: Western style toilet, d: Urinal toilet). Presents (a) structure and (b) photograph of HD safe sheet-U; (c, d) application of the sheet in lavatories. HD safe sheet-U consisted a nonwoven, adsorption layer that included active carbon at a density of 25 g/m2, a water (urine) absorption layer, an opacity film, and a back-side adhesive tape from the top