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Thermometer Calibration Test Tube

A precision glass test tube for thermometer calibration baths maintaining reference points at 0°C, 25°C, and 100°C, with etched graduation marks. It is a calibration accessory for thermometric 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

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Alternative Classifications

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

7017.90.00Same rate: Free

If the tube 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 thermometers; ensure it is not general laboratory glassware

• Provide calibration standards to CBSA

• Verify if it is a measuring instrument itself

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