| 摘要 |
PROBLEM TO BE SOLVED: To provide a roller for OA equipment wherein neither interference nor retardation in crosslinking reaction is caused, which has an excellent anti- settling characteristic and a low temperature bleed characteristic, and in which low degree of hardness is realized. SOLUTION: In the roller for OA equipment in which a base rubber layer 2 and an intermediate layer 3 and a surface layer 4 are formed in this order on the outer periphery of a shaft body 1, the base rubber layer 2 is formed by a liquid rubber composition containing components (A)-(D) shown below: (A) a liquid rubber including a structural unit (α) which is derived from at least either butadiene or isoprene and has an alkenyl group in a side chain, (B) hydrosilyl crosslinking agent, (C) hydrosilylation agent, and (D) mineral system oil of sulfur content 0.31% by weight or less. |
