Hydrometer Glass Float Assembly
Precision glass float replacement for liquid density hydrometers used in chemical analysis. Features calibrated stem for accurate specific gravity readings. Falls under HTS 9025.90.06.00 as a core accessory for floating hydrometers in heading 9025.
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Alternative Classifications
This product could be classified differently depending on its characteristics or intended use.
If sold as laboratory glassware without instrument attachment
Plain glass components excluded by chapter note 1(e) and classified by material in 7017.
If designed for plastic-cased density instruments
Plastics-based hydrometer parts shift to 9027 per material-specific headings.
If for industrial process control machines
Parts principally for chemical processing machinery (chapter 84) per note 1(g).
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Import Tips & Compliance
• Include calibration certificates to prove metrological function for 9025 classification
• Declare glass material content accurately to avoid reclassification under chapter 70
• Watch for bulk shipments mistaken as unfinished glassware (7002) instead of finished parts
Related Products under HTS 9025.90.06.00
Digital Thermometer Probe Sensor
Replacement probe sensor for digital thermometers used in laboratory and industrial temperature monitoring. It connects directly to the thermometer base for accurate readings up to 500°C. Classified under HTS 9025.90.06.00 as a dedicated accessory for thermometers in heading 9025.
Barometer Aneroid Capsule Sensor
Sealed aneroid capsule sensor for precision barometers measuring atmospheric pressure. Bellows-style diaphragm calibrated in hPa/mbar units. Part of HTS 9025.90.06.00 for barometer pressure-sensing components.
Floating Thermometer Expansion Chamber
Glass expansion chamber for mercury-in-glass floating thermometers used in viscous liquid temperature measurement. Allows thermal expansion without breakage. Classified under HTS 9025.90.06.00 for floating instrument parts.
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.
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.
Barometer Evacuation Valve Assembly
Precision valve assembly for evacuating and sealing aneroid barometer capsules. Maintains partial vacuum for pressure sensitivity. Classified HTS 9025.90.06.00 as specialized barometer assembly tool.