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Silicone oil performance

Dec 1, 2017

Silicone oil is generally colorless (or light yellow), tasteless, non-toxic, non-volatile liquid. Silicone oil insoluble in water, methanol, diol and - ethoxyethanol, with benzene, dimethyl ether, methyl ethyl ketone, carbon tetrachloride or kerosene miscible, slightly soluble in acetone, dioxane, ethanol and butanol . It has a small vapor pressure, high flash point and ignition point, lower freezing point. With the different number of segments n, the molecular weight increases, the viscosity also increases, solid silicone oil can have a variety of different viscosities, from 0.65 centistokes up to millions of centistokes. If you want to make low viscosity silicone oil, acid clay can be used as a catalyst, and at 180 ° C for telomerization, or use of sulfuric acid as a catalyst at low temperature telomerization, the production of high viscosity silicone oil or viscous material can be alkaline catalyst.
Silicone oil has excellent heat resistance, electrical insulation, weather resistance, hydrophobicity, physiological inertia and small surface tension, in addition to low viscosity coefficient, high compression resistance, and some varieties also have resistance to radiation Performance.