Switzerland Imports from South Korea of Diphosphorus Pentaoxide, Phosphoric Acid, Polyphosphoric Acids was US$3 during 2018, according to the United Nations COMTRADE database on international trade. Switzerland Imports from South Korea of Diphosphorus Pentaoxide, Phosphoric Acid, Polyphosphoric Acids - data, historical chart and statistics - was last updated on May of 2024.