according to the supply of propylene glycol: propylene glycol is an organic compound (diol ), usually a slightly sweet, odorless, colorless and transparent oily liquid that absorbs moisture and is easily mixed with water, acetone, and chloroform. propylene glycol has a wide range of applications and is often used as a hygroscopic agent, antifreeze, lubricant and solvent in the food, pharmaceutical and cosmetic industries.
the reference proportion of propylene glycol in specific application fields is as follows:
used in the manufacture of unsaturated polyester resins (used in coatings and glass fiber reinforced resins) accounting for approximately 27%;
food, pharmaceutical and cosmetic uses account for approximately 20%;
manufacturing functional fluids (antifreeze, heat transfer fluids, deicing agents, etc.) account for approximately 20%. 20%;
liquid detergents account for about 17%;
coatings and paints account for 5%;
tobacco moisturizers account for 2% ;
other uses account for about 9%.
