C-Glass Electrical Insulation Yarn from Mexico
Corrosion-resistant C-glass yarn for electrical insulation in transformers and motors. Classified as 'other' yarn under HTS 7019.13.35.00 due to its borosilicate composition. Provides dielectric strength superior to E-glass.
Duty Rate — Mexico → United States
14.2%
Rate breakdown
9903.05.5510%Except for products described in headings 9903.05.85–9903.05.92 and 9903.05.94, articles the product of Mexico, as provided for in U.S. note 52 to this subchapter
Import Tips
• Provide dielectric strength test results to confirm electrical grade classification
• Label with exact chemical composition to differentiate from textile-grade glass yarns
• Check REACH compliance for boron content if EU transshipment involved