Boron Nitride Crucible for Technical Furnaces from Japan
Hexagonal boron nitride ceramic crucible for high-purity melting in semiconductor labs. Achieves Mohs hardness over 9 post-firing, fitting HTS 6909.12 for chemical/technical receptacles. Excellent thermal shock resistance.
Duty Rate — Japan → United States
12.5%
Rate breakdown
9903.05.4912.5%Except for products described in headings 9903.05.85–9903.05.92, articles the product of Japan, with an ad valorem (or ad valorem equivalent) rate of duty under column 1 less than 12.5 percent, as provided for in U.S. note 52 to this subchapter
Import Tips
• Provide XRD analysis confirming ceramic structure and Mohs rating; declare technical end-use to avoid Chapter 28 chemical exclusions
• Ensure no metallic binders triggering other chapters