Switzerland Imports from Costa Rica of Sulfates, Alums, Peroxosulfates (Persulfates) was US$2.43 Thousand during 2010, according to the United Nations COMTRADE database on international trade. Switzerland Imports from Costa Rica of Sulfates, Alums, Peroxosulfates (Persulfates) - data, historical chart and statistics - was last updated on May of 2024.