| 摘要 |
<P>PROBLEM TO BE SOLVED: To provide a lid material for a cup-shaped instant food container, which has oxygen barrier property and shading property and can pass a check with a metal detector. <P>SOLUTION: The lid material comprises a paper layer 1, a resin barrier layer 4 having oxygen barrier property, and a sealant layer 6. A print layer 2 formed by sandwiching a gray layer between white layers is arranged between the paper layer 1 and the barrier layer 4 or the outside of the paper layer 1, and a L* value in the L*a*b* color space for the gray layer is 45 to 60. <P>COPYRIGHT: (C)2004,JPO |
