Silicone sheet is ultra-soft, thermally conductive

Tokyo - Shin-Etsu Chemical Co., Ltd. said it has begun to market a low hardness thermally conductive silicone rubber sheet, a product called the “TC-SP-1.7 Series”. This product features a super-low degree of hardness, which is about 1/10 lower (Asker C: Hardness 2) than that of Shin-Etsu's existing low-hardness product, and at the same time, the new product achieves a high thermal conductivity of 1.7 W/m2/K.

Consequently, when compared to existing low-hardness products, it has the properties of better pliability and adhesiveness, and for this reason it exhibits a superior heat-dissipation effect, even on uneven or non-flat heat-generating surfaces. This new product bonds tightly to the heat-generating electronic devices and the heatsink, thus providing more efficient cooling. Furthermore, because it can also be used on uneven or non-flat surfaces, it can enhance flexibility in product design, says the company.

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Press release from Shin-Etsu