Propylene glycol is used as the carrier of medicine and agent of particle medicine, as a solvent of perfume and edible pigments, emollient in food packing, and anti-adhesive, as humidor, emollient and solvent, it also can be used as tobacco flavor, lubricated solvent, and preservative. As the raw material of non-saturated alkyd resin, plasticizer, dehydration, surface active agent, solidification agent, and cohesive agent. It also used in paint industry, pesticide industry and dope industry etc. Function of propylen glycol Propylene glycol is used as the carrier of medicine and agent of particle medicine, as a solvent of perfume and edible pigments, emollient in food packing, and anti-adhesive, as humidor, emollient and solvent, it also can be used as tobacco flavor, lubricated solvent, and preservative. Application of propylen glycol Can be used as resin, plasticizer, surfactant, emulsifier and demulsifier raw materials, as well as antifreeze and heat carrier.