Imports In 2022, Laos imported $69.3k in Potassium hydroxide (caustic potash), becoming the 110th largest importer of Potassium hydroxide (caustic potash) in the world. At the same year, Potassium hydroxide (caustic potash) was the 2080th most imported product in Laos. Laos imports Potassium hydroxide (caustic potash) primarily from: Thailand ($69.3k).