What Is a Silicone Reactor: Siloxane Chemistry, Configurations and Scale-Up Answering the core question: What is a silicone reactor? A silicone reactor is a vessel or machine that converts chlorosilanes or cyclic siloxanes into polydimethylsiloxane and its copolymers, spanning hydrolysis, ring-opening equilibration polymerisation, catalyst neutralisation and vacuum devolatilisation. Two distinct chemistries shape the design. Hydrolysis is fast, strongly exothermic and