Silicone Treated Polyester Sewing Thread from Mexico
Polyester filament thread with silicone finish for smooth high-speed sewing and reduced friction. Classifies in HTS 5401.10.00.00 as synthetic sewing thread where finish aids functionality, not constituting coating. For industrial lockstitch machines.
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
• Quantify silicone as <5% weight to avoid 5900 coating chapter
• Include finish spec sheets showing sewing enhancement
• Sample for residue to confirm non-plastic impregnation