Imports In 2021, British Virgin Islands imported $6.95M in Potassium hydroxide (caustic potash), becoming the 0th largest importer of Potassium hydroxide (caustic potash) in the world. At the same year, Potassium hydroxide (caustic potash) was the 0th most imported product in British Virgin Islands. British Virgin Islands imports Potassium hydroxide (caustic potash) primarily from: N/A.