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Lithium Glass Granules for Porcelain Flux from Mexico

Low-expansion lithium glass granules acting as flux in high-fire porcelain bodies. Reduces firing temperature while maintaining translucency, under HTS 3207.40.5000 for ceramic use.

Duty Rate — Mexico → United States

16.5%

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 coefficient of thermal expansion data matching porcelain bodies

• Specify granular form prevents dust hazards in mixing

• Avoid chemical lithium compound classification with glass analysis