S-Glass Chopped Fibers 6.4mm Diameter from Mexico
High-strength S-glass chopped fibers with 6.4mm filament diameter and lengths over 50mm, designed for demanding aerospace and military composites. HTS 7019.19.30.00 covers these as chopped strands exceeding 50mm, distinct from rovings or continuous filaments.
Duty Rate — Mexico → United States
14.9%
Rate breakdown
9903.05.5510%Section 301 (forced labor) — additional 10% ad valorem on products of Mexico
Import Tips
• Include tensile strength test data in documentation for S-glass verification; check for silane sizing compatibility declarations; avoid bundling with continuous filaments to prevent set classification