Zinc Borate Powder (2ZnO·3B2O3·3.5H2O) from Germany
Zinc borate (2ZnO·3B2O3·3.5H2O) is a flame retardant and smoke suppressant used in plastics and textiles. Classified as other borates under HTS 2840.20.00.00 as a metal borate salt per heading applicability. Fine white powder with specific hydrate formula.
Duty Rate — Germany → United States
10%
Rate breakdown
9903.05.3910%Except for products described in headings 9903.05.85–9903.05.92 and 9903.05.97, articles the product of a member state of the European Union, with an ad valorem (or ad valorem equivalent) rate of duty under column 1 less than 10 percent, as provided for in U.S. note 52 to this subchapter
Import Tips
• Confirm molar ratio via FTIR analysis to validate exact compound
• RoHS compliance docs needed if for electronics import
• Particle size specs affect dust hazard classification