Zinc Borate Flame Retardant White Pigment from Mexico
Hydrated zinc borate particles functioning as white pigment and smoke suppressant. Dual role but coloring preparation under HTS 3206.49.30.00. Used in intumescent coatings.
Duty Rate — Mexico → United States
11.3%
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
• LOI (limiting oxygen index) tests secondary to pigment functionality
• Boron content declaration for agricultural restrictions
• Thermal stability curves document pigment performance