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The change in viscosity of silicone oil very small with change in temperature as compared to ordinary lubricants. If temperature is dropped from 100-0*c, viscosity of petroleum increases to 100 fold while of silicone increases to less than 4 folds only. Due to these reasons silicone oils are preferred over ordinary lubricants.
Wiki User
∙ 10y ago
Saad Ahsan
Wiki User
∙ 13y agosilicones have much greater thermal stability than odinary hydrocarbons oil,greases and rubber
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I consider that this preference is only illusory.
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The change in viscosity of silicone oil very small with change in temperature as compared to ordinary lubricants. If temperature is dropped from 100-0*c, viscosity of petroleum increases to 100 fold while of silicone increases to less than 4 folds only. Due to these reasons silicone oils are preferred over ordinary lubricants.
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Why copper is preferred over sodium?
yes
What is the transitivity of preferences?
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Chicken is preferred over beef as it is deemed healthier.
