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Thermometer Calibration Test Tube

Precision glass test tube for thermometer calibration baths maintaining 0°C, 25°C, 100°C reference points. Features etched graduation marks. HTS 9025.90.06.00 as thermometer calibration accessory.

Import Duty Rates by Country of Origin

Origin CountryMFN RateCh.99 SurchargesTotal Effective Rate
🇨🇳ChinaFree+35.0%35%
🇲🇽MexicoFree+10.0%10%
🇨🇦CanadaFree+10.0%10%
🇩🇪GermanyFree+10.0%10%
🇯🇵JapanFree+10.0%10%

Alternative Classifications

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

7017.10.30Same rate: 35%

If quartz calibration tubes

Specific glass types have material-based classifications.

9027.90Lower: 10% vs 35%

If plastic calibration vessels

Plastics-based calibrators in 9027.

Not sure which classification is right?

Our AI classifier can analyze your specific product and recommend the correct HTS code with confidence.

Import Tips & Compliance

Certify NIST-traceable temperature points for metrological acceptance

Specify wall thickness for uniform heat transfer properties

Distinguish from general lab glassware with usage protocols

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Barometer Evacuation Valve Assembly

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