High-Purity Sintered Tungsten Rod for Thermocouples
Sintered tungsten rods of 99.95% purity for Type C thermocouples in high-temperature furnaces and kilns. HTS 8101.94.00.00 for unwrought sintered rods enabling operation up to 2300°C. Raw material for sheathed thermocouple wires.
Import Duty Rates by Country of Origin
Alternative Classifications
This product could be classified differently depending on its characteristics or intended use.
If drawn to wire gauge
Wire drawing creates a wrought profile under 'other articles'.
If pre-assembled into thermocouples
Complete temperature sensors classified as thermometers.
If molybdenum-tungsten alloy
Alloyed versions (>1% other metal) shift to molybdenum base metal.
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Import Tips & Compliance
• Specify Type C thermocouple end-use in entry summary for proper Chapter 81
• Purity analysis (>99.95%) prevents alloy misclassification
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