Silicone oil identification method

(1) Observe with the eyes: the fake silicone oil will be turbid, smell relatively strong, and have a bad smell;
(2) Test with fire: use a glass rod or iron rod dipped in a small amount of silicone oil to ignite, and the one that can ignite and emit black smoke is white mineral oil. Pure silicone oil will not burn when ignited with fire, and it is odorless, clear, transparent, and non-toxic. poison. The ignition point of silicone oil is 320 degrees;
(3) Freezing point test method: Silicone oil will not freeze at -50 degrees, and fake silicone oil will appear cloudy or frozen.