| 摘要 |
<P>PROBLEM TO BE SOLVED: To provide a floor material capable of suppressing echo sound and having sufficient caster resistance performance. <P>SOLUTION: The floor material comprises: a base material 11 in a stagger shape, which comprises plywood and has a thickness of 9 mm; a buffer material 12 which comprises a polyethylene resin nonwoven fabric or soft urethane foam, has the thickness of 3.5 to 5.0 mm, and is laminated on a lower surface of the base material 11; and an impact absorbing member 13 which comprises a soft foam body and has residual distortion of 5.9% or lower, Asker C hardness of 67 or lower, and the thickness of 0.5 to 2.0 mm, a strengthening member 14 which comprises a polyethylene terephthalate resin sheet of the thickness of 0.4 to 1.0 mm or a wood fiber plate of the specific gravity of 0.8 or higher and the thickness of 0.6 to 1.0 mm, and a surface decorative member 15 which comprises an olefin-based resin sheet and has the thickness of 0.16-0.24 mm, that are successively laminated on an upper surface of the base material 11. <P>COPYRIGHT: (C)2013,JPO&INPIT |
