| 摘要 |
PROBLEM TO BE SOLVED: To provide a polyester base, superior in suitability with respect to film cutting (trimming and opening of a notch) in a processing laboratory and also in planarity and adhesion, and to provide a silver halide photosensitive material. SOLUTION: The polyester base has 5-18 kg/mm2 breaking strength in both transverse direction(TD) and longitudinal direction (MD), and 20-100 g net-tearing strength in both the TD and MD.
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