Industrial Pyrometer Protective Tube
Ceramic protective tube for immersion pyrometers in molten metal applications up to 1600°C. Shields thermocouple from corrosive environments. Part of HTS 9025.90.06.00 despite ceramic construction due to dedicated pyrometer use.
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Alternative Classifications
This product could be classified differently depending on its characteristics or intended use.
If refractory tubes sold generically
Standard refractory goods excluded by note 1(c).
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Import Tips & Compliance
• Submit design drawings proving exclusive pyrometer immersion compatibility
• Include thermal shock resistance specs for industrial validation
• Overcome note 1(c) exclusion with principal use evidence
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