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5509.41.00.90/Modacrylic Single Staple Yarn 15/1/Mexico

Modacrylic Single Staple Yarn 15/1 from Mexico

Coarse single yarn of 95% modacrylic staple fibers, flame-retardant for protective clothing fabrics. HTS 5509.41.00.90 for other single synthetic staple yarns, industrial supply. Used in firefighting and industrial safety textiles.

Duty Rate — Mexico → United States

19%

Rate breakdown

9903.05.5510%Section 301 (forced labor) — additional 10% ad valorem on products of Mexico
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Import Tips

• Include FR certification docs; declare modacrylic content precisely; avoid retail cone packaging to stay in industrial category