Molybdenum Borate Flame Retardant from China
A synergistic mixture of molybdenum trioxide and boric acid derivatives for flame retardancy in polymer composites and textiles. Enhances char formation during combustion. Classified under HTS 3824.99.34.00 as molybdenum inorganic compound mixture.
Duty Rate — China → United States
40.3%
Rate breakdown
9903.88.0325%Except as provided in headings 9903.88.13, 9903.88.18, 9903.88.33, 9903.88.34, 9903.88.35, 9903.88.36, 9903.88.37, 9903.88.38, 9903.88.40, 9903.88.41, 9903.88.43, 9903.88.45, 9903.88.46, 9903.88.48, 9903.88.56, 9903.88.64, 9903.88.66, 9903.88.67, 9903.88.68, or 9903.88.69, articles the product of China, as provided for in U.S. note 20(e) to this subchapter and as provided for in the subheadings enumerated in U.S. note 20(f)
9903.05.3112.5%Section 301 (forced labor) — additional 12.5% ad valorem on products of China
Import Tips
• Test for flame retardant efficacy certification required by NFPA standards
• Declare synergist composition to avoid classification as single borates
• Hazardous material declaration mandatory for oxide powders