Addition curable silicone rubber compositions

摘要

An addition curable silicone rubber composition comprising (A) a liquid organopolysiloxane containing at least two alkenyl groups and having an average degree of polymerization of up to 1,500, (B) a gum-like organopolysiloxane, (C) an organohydrogenpolysiloxane, (D) fumed silica having a specific surface area of at least 150 m<2>/g, (E) an addition reaction functionality-free organopolysiloxane and having an average degree of polymerization of up to 300, and (F) an addition reaction catalyst cures into a silicone rubber having a Durometer A hardness of 10-25 and best suited as nursing bottle nipples and baby pacifiers.