Glycol and glycerin mix is a by-product of the propylene glycol production process.
Parameter
Value
Unit
Method
Free glycerol content
< 45
wt%
AN-Crude MPG
Ethylene glycol content
< 75
Content of propylene glycol (1-2, propanediol)
< 40
Density at 20 ° C
1.035 – 1.262
g/mL
PM 379