| 摘要 |
Provided is a heat medium composition which has a liquid form at ambient temperature that is about 20°C and has excellent heat resistance. The heat medium composition according to the present invention is characterized by comprising 5 to 40 mass% of biphenyl, 10 to 70 mass% of diphenyl ether, 5 to 30 mass% of diphenylene oxide and 5 to 30 mass% of naphthalene. |
