Alumina Thermocouple Protection Tube from Germany
Fired alumina ceramic tube (99% Al2O3) protecting thermocouples in high-temperature furnaces and kilns. Essential refractory component for temperature measurement in industrial processes, falling under HTS 6903.20.00.00.
Duty Rate — Germany → United States
10%
Rate breakdown
9903.05.3910%Section 301 (forced labor) — European Union member state (col1 rate < 10 percent): MFN < 10% → total duty capped at 10%
Import Tips
• Provide dimensional specs and temperature ratings to confirm refractory classification
• Label as 'refractory ceramic tube' distinctly from electrical insulators (excluded per Chapter 69 notes)
• Batch test for water absorption if stoneware confusion arises during inspection