| abstract |
A highly thermally conductive composition is provided, such composition comprising: (A) An organopolysiloxane composition; (B) a filler treating agent; (C) a thermal stabilizer; and (D) thermally conductive filler mixture, comprising: (D-1) a small-particulate thermally conductive filler having a mean size of up to 1 μm, (D-2) middle-sized filler having a mean size of from 1 to 10 μm, (D-3) large filler having a mean size of larger than 30 μm and comprising at least magnesium oxide. |