Sri Lanka Imports from United States of Silk Yarn and Yarn Spun from Silk Waste; Silk Worm Gut was US$373 during 2022, according to the United Nations COMTRADE database on international trade. Sri Lanka 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.