Under sheet for lithographic printing plate
AssigneeFuji Photo Film Co., Ltd.
InventorsSeishi Kasai, Eiichi Kato
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Abstract
An under sheet for a lithographic printing plate which has an initial modulus of elasticity of 34×108 Pa or more, and has concavities and convexities having a central line average roughness (Ra) of less than 2 μm and Ra/Rz of 0.05 or more on the surface in contact with the back surface of the lithographic printing plate.
Claims3
An under sheet for a lithographic printing plate which has initial elasticity of 34×108 Pa or more, and has concavities and convxities having a central line average roughness (Ra) of less than 2 μm and Ra/Rz of 0.05 or more on the surface in contact with the back surface of the lithographic printing plate.
Dependencies are inferred from the claim text.