Structurally, it is mainly divided into two categories: one is linear polydimethylsiloxane (PDMS); The other category is cyclic volatile methylsiloxanes (VMS) with low relative molecular weight. Among them, linear polydimethylsiloxane is the most common, and its dosage is also the largest and the most widely used. In this article, we refer to "silicone oil" specifically to linear polydimethylsiloxane.
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