Solvent was mainly used for making polyester polyester , polyester resin, a hygroscopic agent, plasticizer, surface active agent , synthetic fibers , cosmetics and explosives , and used as a dye and / or ink, etc. , the preparation of the engine antifreeze, gas of a dehydrating agent , manufacture of resins, glassine paper, fibers, leather , adhesives , wetting agents may also be used . Can produce synthetic resin PET fiber grade PET polyester fiber , bottle flakes grade PET for the production of mineral water bottles . Also the production of alkyd resins , glyoxal , also used as an antifreeze . Than for the car with antifreeze outside , but also for industrial cold conveyor , generally called as the carrier refrigerant .