sentences:  The main purpose of dimethyldichlorosilane is for use in the synthesis of silicones, an industry that was valued at more than $10 billion per year in 2005.It is also employed in the production of polysilanes, which in turn are precursors to silicon carbide.In practical uses, dichlorodimethylsilane can be used as a coating on glass to avoid the adsorption of micro-particles.