... stability, insulation property, and weatherability, wide range of viscosity, low freezing point, high flash point, good hydrophobicity, high shear resistance. It ... , which is colorless, odorless, clear, nontoxic. The burning point of pure silicon oil is 3200C,but ungraded silicon oil is ... 100C.(3) Freezing point Method: Take 100g of two kinds of silicon oil into refrigerator at the same ...