El Salvador Imports from Costa Rica of Siliceous Fossil Meals (Kieselguhr ), Similar Siliceous Earths was US$50 during 2018, according to the United Nations COMTRADE database on international trade. El Salvador Imports from Costa Rica of Siliceous Fossil Meals (Kieselguhr ), Similar Siliceous Earths - data, historical chart and statistics - was last updated on May of 2024.