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Floating Thermometer Expansion Chamber

A glass expansion chamber for mercury-in-glass floating thermometers used in viscous liquid temperature measurement, allowing thermal expansion without breakage. It is a specialized component for floating thermometers.

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.

7017.90.00Same rate: Free

If the chamber is general laboratory glassware

Laboratory glassware is classified in Chapter 70, 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 floating thermometers; ensure it is not a complete thermometer

• Provide glass composition details to CBSA

• Check if it qualifies as a laboratory glassware item under other headings

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