Trilobal Polyester Sewing Thread from Mexico
Trilobal cross-section polyester thread from synthetic staple fibers for enhanced luster in fashion sewing. Classified in HTS 5508.10.00.00 as synthetic staple sewing thread. Used in high-end apparel production.
Duty Rate — Mexico → United States
21.4%
Rate breakdown
9903.05.5510%Except for products described in headings 9903.05.85–9903.05.92 and 9903.05.94, articles the product of Mexico, as provided for in U.S. note 52 to this subchapter
Import Tips
• Include cross-section diagrams in technical docs to justify trilobal staple fiber status
• Monitor twist levels; high twist may trigger yarn reclassification scrutiny
• Ensure eco-labels match fiber content to avoid greenwashing claims at entry