| 摘要 |
PROBLEM TO BE SOLVED: To provide a multi-layer film which is nonslippery even when its surface is wet and used to prevent slip by being spread on the ground in civil engineering, construction, agriculture, etc. SOLUTION: In the multi-layer film of a polyolefin resin, the center line average roughness (Ra) of the surface measured by JIS B0601-1994 is 0.6-10μm (A), and a peak count (Pc) in an evaluated length 8 mm measured by JIS B0601-1994 is 5-100 (B). COPYRIGHT: (C)2004,JPO
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