Addition-curable liquid silicone rubber composition for automobile oil filter seal member and automobile oil filter seal member

摘要

An addition-curable liquid silicone rubber composition for an automobile oil filter seal member is provided. Organopolysiloxane liquid containing an alkenyl group bonded to two or more silicon atoms per molecule (A) at 25 ° C. 100 parts by mass, (B) bonded to at least two silicon atoms per molecule Organohydrogenpolysiloxane containing a hydrogen atom: The number of hydrogen atoms bonded to silicon atoms contained in one molecule of this component is 1 to 6 per total of silicon-bonded alkenyl groups in component (A). Fine silica powder having a specific surface area of 50 m 2 / g or more in (C) BET method: 0.1 to 100 parts by mass, (D) Platinum group metal catalyst as catalyst for hydrosilylation reaction : Addition-curable liquid silicone rubber composition for automobile oil filter seal members, containing an effective amount, (E) silicate mineral fine powder: 20 to 100 parts by mass.