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
14%
Rate breakdown
9903.03.0110%Except for products described in headings 9903.03.02–9903.03.11, articles the product of any country, as provided for in subdivision (aa) of U.S. note 2 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