Vanadium Phosphate Flame Retardant from China
Intumescent flame retardant mixture of ammonium vanadate, polyphosphates, and melamine for polymer composites. HTS 3824.99.36.00 classification for inorganic vanadium mixtures in plastics. Forms protective char layer during combustion.
Duty Rate — China → United States
26.5%
Rate breakdown
9903.05.3112.5%Except for products described in headings 9903.05.85–9903.05.92, articles the product of China, as provided for in U.S. note 52 to this subchapter
9903.88.157.5%Except as provided in headings 9903.88.39, 9903.88.42, 9903.88.44, 9903.88.47, 9903.88.49, 9903.88.51, 9903.88.53, 9903.88.55, 9903.88.57, 9903.88.65, 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(r) to this subchapter and as provided for in the subheadings enumerated in U.S. note 20(s)
Import Tips
• UL 94 flammability test results required; TSCA polymer additive notification
• Char formation mechanism documentation
• Pitfall: organic phosphate confusion