| 摘要 |
PROBLEM TO BE SOLVED: To provide a cork flooring material suitable for a place where water is used. SOLUTION: The cork flooring material A is integrally laminated with an upper layer 1 and a lower layer 2, which are respectively formed by extruding granular cork materials fixed with a binder resin. The granular cork material used for forming the upper layer is a granular virgin cork material obtained by crushing an unprocessed natural cork. The density of the upper layer is 0.37-0.43 g/cm<SP>3</SP>, and the density of the lower layer is 0.30-0.35 g/cm<SP>3</SP>. COPYRIGHT: (C)2010,JPO&INPIT |
