Imports In 2021, British Virgin Islands imported $3.06k in Sodium hydroxide (caustic soda) in aqueous solution, becoming the 0th largest importer of Sodium hydroxide (caustic soda) in aqueous solution in the world. At the same year, Sodium hydroxide (caustic soda) in aqueous solution was the 0th most imported product in British Virgin Islands. British Virgin Islands imports Sodium hydroxide (caustic soda) in aqueous solution primarily from: N/A.