</>Build with Tariff Intelligence|Programmatic access to tariff calculations and HS code classification.Explore Developer Resources →

Silicon Carbide Thermocouple Tube from Japan

Hexagonal silicon carbide tube sheathing thermocouples in kilns and furnaces up to 1600°C. HTS 6903.90.00.50 covers this refractory ceramic tube, fired from nonmetallic carbides, excluding electrical insulators. Essential for industrial heat measurement protection.

Duty Rate — Japan → United States

10%

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

Certify SiC composition >90% with firing certificates; distinguish from graphite tubes via material specs; bundle with furnace documentation to prevent parts classification