Alumina Crucible for Laboratory Use from Japan
High-purity alumina crucible designed for high-temperature melting and analysis in chemical laboratories. It features a hardness of 9 on the Mohs scale due to its sintered aluminum oxide composition, meeting Chapter 69 requirements for fired ceramic products used in technical applications. Exceeds standard porcelain hardness for handling corrosive substances.
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
• Verify Mohs hardness certification via ASTM testing to confirm classification; ensure lab-use declaration to avoid reclassification as general tableware
• Provide firing process documentation as proof of Chapter 69 eligibility