The proprietary ADM Glycols technology uses a catalytic process known as hydrogenolysis to readily convert glycerin into propylene glycol.  The reaction between glycerin and hydrogen takes place at high temperature and pressure over a unique catalyst to produce propylene glycol and water.  As a result, propylene glycol is then purified to either industrial-grade or USP-specifications-grade using ADM’s expertise in separation technology.

Propylene Glycol Industrial Grade (PGI)
Propylene Glycol Industrial Grade is a colorless, odorless and slightly viscous liquid.   


  • Unsaturated polyester resins
  • Coolants and Antifreeze 
  • Hydraulic and Brake Fluid 
  • Aircraft Deicing Fluid 
  • Heat Transfer Fluids 
  • Paint and Coatings

Propylene Glycol USP (meets USP Specifications)
Propylene Glycol (PG USP/EP) is a pharmacopeia-specifications-grade excipient of monopropylene glycol (PG or MPG) with a specified purity greater than 99.5%. PG USP/EP is tested for compliance with the current United States Pharmacopeia (USP).


  • Heat Transfer Fluids 
  • Fragrance, Cosmetics and Personal Care 
  • Food and Flavorings 
  • Pet Food/Animal Feed 
  • Pharmaceutical excipient
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