1. Mainly used in the production of polyester, polyester fiber, polyester resin, humectants, plasticizers, surfactants, synthetic fibers, cosmetics and explosives. Also used as a solvent for dyes and inks, in the preparation of engine antifreeze, as a gas dehydrating agent, and in the manufacture of resins. It can also be used as a humectant for cellophane, fibers, leather and adhesives.
2. Can be used to produce synthetic PET resin; fiber-grade PET is polyester fiber, and bottle-grade PET is used to make mineral water bottles, etc. It can also be used to produce alkyd resin, glyoxal, etc., and as an antifreeze.
3. In addition to being used as an automotive antifreeze, it is also used for industrial cooling energy transfer, generally referred to as a coolant. It can also be used as a condensing agent, similar to water.