Si-Ro Set Polyester-Cotton Yarn for Denim from Mexico
Si-Ro (siro-spun) yarn with 35% polyester staple and 65% cotton for slubby denim shirting. Under HTS 5509.92.00.00 as synthetic staple yarn mixed mainly cotton; siro technique mimics two-ply. Bulk for shuttleless loom weaving.
Duty Rate — Mexico → United States
17.5%
Rate breakdown
9903.05.5510%Section 301 (forced labor) — additional 10% ad valorem on products of Mexico
Import Tips
• Describe siro spinning process to distinguish from standard ring
• Two-for-one twist effect needs technical specs
• Denim end-use common; include buyer contracts showing industrial intent