Patent ID: 8768227

Claim:
A developing member, comprising: a substrate; an elastic layer provided on the substrate, the elastic layer comprising a cured product of an addition-curing silicone rubber mixture; and a surface layer provided on the elastic layer, wherein: the elastic layer comprises a compound represented by the following formula (1): in the formula (1), n represents an integer of 3 or more and 20 or less, and wherein: when a content of the compound in which n represents an integer of 3 or more and 12 or less in the elastic layer is represented by P1 ppm by mass, and a content of the compound in which n represents an integer of 13 or more and 20 or less in the elastic layer is represented by P2 ppm by mass, P1+P2 is 5,000 ppm by mass or more and 12,000 ppm by mass or less; and P1 is 1,500 ppm by mass or more and 6,000 ppm by mass or less.