Portugal Imports from United States of Sulfates, Alums, Peroxosulfates (Persulfates) was US$15.56 Thousand during 2023, according to the United Nations COMTRADE database on international trade. Portugal Imports from United States of Sulfates, Alums, Peroxosulfates (Persulfates) - data, historical chart and statistics - was last updated on June of 2024.