Boron Nitride Crucible for Technical Furnaces from China
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 — China → United States
41.5%
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
• 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