| 摘要 |
A lightsafe masking film is disclosed which comprises a substrate, and a peelable lightsafe layer provided over the surface of the substrate and including a lightsafe substance, a copolymer containing vinyl chloride, and a mixture of a first nitrile rubber containing 25-30 % by weight of acrylonitrile and a second nitrile rubber containing 31-35 % by weight of acrylonitrile. |
