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Industrial Pyrometer Protective Tube

A ceramic protective tube for immersion pyrometers in molten metal applications up to 1600°C, shielding thermocouples from corrosive environments. It is a dedicated component for pyrometric instruments.

Import Duty Rates by Country of Origin

Origin CountryMFN TariffSurtaxesTotal Effective Rate
🇨🇳ChinaFree—Free
🇲🇽MexicoFree—Free
🇺🇸United StatesFree—Free
🇩🇪GermanyFree—Free
🇯🇵JapanFree—Free

More Specific Codes

This product may fall under a more specific subheading:

Alternative Classifications

This product could be classified differently depending on its characteristics or intended use.

6903.90.00Same rate: Free

If the tube is a general refractory article

Refractory goods are classified in Chapter 69, not as instrument parts.

Not sure which classification is right?

The Tariff Assistant works through the GRI rules on your specific product to reach the right tariff item — and can price the duty on it in the same conversation.

Import Tips & Compliance

• Classify as a part of pyrometers; note that ceramic construction does not exclude it from Chapter 90

• Provide application details to CBSA

• Verify if it is a refractory good under heading 69.03

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