Patent ID: 7991341

Claim:
An electrophotographic fixing member comprising: a substrate; a cured silicone rubber layer formed on the substrate; and a fluorine resin layer adhered on the cured silicone rubber layer by an addition curing type silicone rubber adhesive, wherein the cured silicone rubber layer has the thickness in a range of 100 μm or more and 500 μm of less, wherein the cured silicone rubber layer is formed by curing a silicone rubber composition comprising vinylated polydimethylsiloxane, and the cured silicone rubber layer contains an unsaturated aliphatic group, and wherein a micro hardness H μ0 and a micro hardness H μ1 satisfy the following relationship: 2.5 <H μ1 /H μ0 <5.0 where H μ0 denotes a micro hardness of a cured rubber constituting the cured silicone rubber layer, and H μ1 denotes a micro hardness of a rubber obtained by soaking the cured rubber in a methylhydrogen silicone oil for 24 hours, and then heating the cured rubber.