| 摘要 |
<p>A packaging material for photosensitive materials comprising a laminate of two or more high-density polyethylene films incorporating carbon black, the films being uniaxially stretched at a draw ratio in the range of from about 2.2 to 4.2 and the stretching axis of one film forming an angle of from about 45 to 90 degrees with those of the film(s) nearest it.</p> |
