When the volume fraction of Al_2O_3 was 0.14, the heat conductive RTV-2 silicone rubber had the highest thermal conductivity, the maximum tensile elongation, the lowest viscosity and the best comprehensive properties.

• 当Al2O3的体积分数为0.；14时；RTV-2导热硅橡胶的热导率最高、拉伸强度最大；基料的粘度最小；综合性能最佳。