Propylene glycol diacetate (propylene glycol diacetate) English name: 1,2-PropyleneglycolDiacetate, English abbreviation PGDA. It is an alcohol ester high-boiling point environmentally friendly solvent obtained through the catalytic reaction of propylene glycol and acetic acid. It has the characteristics of high boiling point, narrow distillation range, strong solubility, non-toxic and low odor.