CLEANING BLADE, CLEANING DEVICE, PROCESS CARTRIDGE, AND IMAGE FORMING APPARATUS

摘要

PROBLEM TO BE SOLVED: To provide a cleaning blade capable of suppressing the occurrence of chips on the blade.SOLUTION: A cleaning blade is formed at least in a part in contact with a cleaning target member, of a member having the dynamic ultra-micro hardness of 0.25 or more and 0.65 or less, and an index K of 15 or more that is obtained by the following formula (1): K=[breaking elongation at 23°C(%)]×[impact resilience at 10°C(%)]×(-1)×[tanδ peak temperature(°C)]÷[Young's modulus(MPa)]÷1000.