Portugal Exports of potroleum resins, coumarone-indene resins, polyterpenes, polysulfides to Norway was US$20 during 2013, according to the United Nations COMTRADE database on international trade. Portugal Exports of potroleum resins, coumarone-indene resins, polyterpenes, polysulfides to Norway - data, historical chart and statistics - was last updated on May of 2024.