| abstract |
The invention discloses a kind of new-energy automobile low-gravity heat conductive silica gel gasket, which includes following components：The organopolysiloxane of 100 parts by weight；The high heat conduction inorganic filler of 200 2000 parts by weight；0 50 parts of lightweight filler；0.05 0.5 parts of catalyst；Pigment, the organopolysiloxane is the composition of vinyl polysiloxane and hydrogen containing siloxane, and the high heat conduction inorganic filler includes one or more in silica, aluminium oxide, zinc oxide, magnesia, aluminium hydroxide, aluminium nitride, silicon nitride, boron nitride and silicon carbide；The grain size of the high heat conduction inorganic filler is 0.1 100 μm.The present invention can realize the low-gravity of heat conductive silica gel gasket while ensureing heat conductive silica gel gasket traditional performance, low-gravity heat conductive silica gel gasket weight is 40% the 70% of prior art typical thermal-conductive gasket under same thermal coefficient, meets the light-weighted demand of new-energy automobile. |