Imports In 2022, Bhutan imported $26.6k in Propylene glycol (propane-1,2-diol), becoming the 158th largest importer of Propylene glycol (propane-1,2-diol) in the world. At the same year, Propylene glycol (propane-1,2-diol) was the 1434th most imported product in Bhutan. Bhutan imports Propylene glycol (propane-1,2-diol) primarily from: India ($26.6k).