Spain Imports from United States of Silk Yarn and Yarn Spun from Silk Waste; Silk Worm Gut was US$3.5 Thousand during 2021, according to the United Nations COMTRADE database on international trade. Spain Imports from United States of Silk Yarn and Yarn Spun from Silk Waste; Silk Worm Gut - data, historical chart and statistics - was last updated on May of 2024.