High-Purity Silica Woven Sheeting from Mexico
High-purity silica woven sheeting (>93% silica filaments) in plain weave, used for thermal barriers in aerospace. Classified under HTS 7019.63.40.30 due to its specific silica filament composition and lack of coloring or lamination. Mechanically bonded construction meets chapter requirements.
Duty Rate — Mexico → United States
17.3%
Rate breakdown
9903.05.5510%Section 301 (forced labor) — additional 10% ad valorem on products of Mexico
Import Tips
• Provide manufacturer specs confirming >93% silica and plain weave; declare as mechanically bonded non-wovens; avoid classifying as apparel fabric which triggers different chapters