FAQs for Glycol Based Heat Transfer Fluids
“What is the difference between propylene glycol (PG) and ethylene glycol (EG)?” The main difference between the two glycols is that ethylene glycol (EG) is toxic while propylene glycol (PG) is non-toxic and can be purchased in a food grade version in addition to the technical/industrial grade. Another difference is that PG has higher viscosity …
