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The thermal silicone fluids are described in chemical notation as aromatic siloxanes due to the presence of phenyl groups.  High phenyl-content fluids are utilized as heat-exchange fluids, dielectric coolants, impregnants for sintered metal bearing, and base oils for high temperature fluids.  Low phenyl-content fluids are utilized at lower temperatures than high phenylsilicones and find extended temperature service applications as lubricating oils for critical devices such as timers and systems involving rubber, plastic, and aluminum matting surfaces.

用于機械和傳熱的熱硅流體(芳香族硅氧烷)

由于苯基的存在，熱硅流體在化學符號中被描述為芳香族硅氧烷。高苯基含量的流體被用作熱交換液、介質冷卻劑、燒結金屬軸承的浸漬劑和高溫流體的基礎油。低苯含量的液體比高苯硅酮在更低的溫度下使用，并發現延長溫度的應用，如定時器和涉及橡膠、塑料和鋁磨砂表面的系統的潤滑油。