PROBLEM TO BE SOLVED: To provide an electric conducting role having good manufacturing stability maintaining the small deviation to the electric resistance value and no fluctuation on the electric resistance in the middle resistance range (10,000-100,000,000,000 Ω cm) with regards to the elongation or shrinkage by environmental fluctuation during manufacturing process.;SOLUTION: In the electric conducting role having an electric conducting encapsulating member comprising at least supporting member, a binder resin and a carbon black, the electric conducting encapsulating member contains at least one kind of the carbon black having 100-200 cm cubic at 100 g and at least a kind of the carbon black having 300-500 cm cubic at 100 g as the carbon black.;COPYRIGHT: (C)2002,JPO
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