S-Glass Continuous Filament from Mexico
High-strength S-glass continuous filaments for aerospace composite prepregs and ballistic applications. HTS 7019.90.51.50 covers these specialty glass fibers not qualifying as yarn or woven fabric. Higher silica content provides superior tensile strength over standard E-glass.
Duty Rate — Mexico → United States
14.3%
Rate breakdown
9903.03.0110%Except for products described in headings 9903.03.02–9903.03.11, articles the product of any country, as provided for in subdivision (aa) of U.S. note 2 to this subchapter
Import Tips
• Provide material safety data sheets confirming S-glass composition (65%+ SiO2)
• Aerospace customers often require lot traceability
• Segregate from E-glass shipments to avoid confusion