... and no corrosivity to metals.Its main applications include refrigerant(-80°Cgrade),raw material for PTFE productionand intermediate for ... Halon 1211 production.Refrigerant gas is used in household , industrial and commercial airconditioning ... ,r125,r290,r401a,r408a,r409a,r415b,r417a,r502,r507a,r600a etc.In addition,we also are professional in doing ...