In industrial production,sulfur hexafluoride manufacturers usually produce fluorine by electrolysis,at medium and high temperature,so that fluorine and sulfur reaction,so as to prepare sulfur hexafluoride.In addition to sulfur hexafluoride,this method also produces small amounts of sulfur tetrafluoride and other by-products.Generally speaking,fluoride sulfur synthesis method has fluorine gas and solid sulfur,and molten sulfur,and sulfur vapor three production methods.

　　Fluorine gas and solid sulfur:due to the intense reaction between fluorine and sulfur,a large amount of heat is released,and it is difficult to control the reaction temperature,which leads to the increase of by-products and makes the post-processing process complicated.At the same time,it is difficult to continuously add solid sulfur to a sealed reactor.Therefore,sulfur hexafluoride manufacturers rarely use this method.

　　Fluorine gas and sulfur vapor:Sulfur hexafluoride manufacturers heat sulfur above 445°C to turn sulfur into vapor,which is sent to a reactor to react with fluorine.This method also has the defect that the reaction temperature is difficult to control.

　　Fluorine gas and molten sulfur:This sulfur hexafluoride gas is produced by keeping the sulfur in the reactor at a molten state of 85~105°C and reacting with the incoming fluorine gas.The reaction temperature of this production method is easier to control.

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