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%Section 301 (forced labor) — additional 10% ad valorem on products of Mexico
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