Other
Instruments and apparatus for physical or chemical analysis (for example, polarimeters, refractometers, spectrometers, gas or smoke analysis apparatus); instruments and apparatus for measuring or checking viscosity, porosity, expansion, surface tension or the like; instruments and apparatus for measuring or checking quantities of heat, sound or light (including exposure meters); microtomes; parts and accessories thereof: > Microtomes; parts and accessories: > Parts and accessories: > Other: > Of optical instruments and apparatus: > Other
Duty Rate (from China)
Except for products described in headings 9903.03.02–9903.03.11, articles the product of any country, as provided for in subdivision (aa) of U.S. note 2 to this subchapter
Except as provided in headings 9903.88.13, 9903.88.18, 9903.88.33, 9903.88.34, 9903.88.35, 9903.88.36, 9903.88.37, 9903.88.38, 9903.88.40, 9903.88.41, 9903.88.43, 9903.88.45, 9903.88.46, 9903.88.48, 9903.88.56, 9903.88.64, 9903.88.66, 9903.88.67, 9903.88.68, or 9903.88.69, articles the product of China, as provided for in U.S. note 20(e) to this subchapter and as provided for in the subheadings enumerated in U.S. note 20(f)
Products classified under HTS 9027.90.68.00
LabXport Microtome Waste Tray
Contoured waste collection tray for paraffin/ frozen microtomes capturing sectioning debris during optical pathology slide preparation. Disposable design prevents cross-contamination between cases. Classified under HTS 9027.90.68.00 as other microtome accessory.
HistoLine Rotary Microtome Handwheel
Ergonomic handwheel assembly with magnetic specimen retainer for HistoLine manual rotary microtomes used in routine optical histology. Provides smooth increment control for 1-60 micron sections. HTS 9027.90.68.00 other optical instrument accessory.
AmScope Histology Microtome Lubricant Dispenser
Precision lubricant delivery system for AmScope paraffin microtomes preventing section chatter during optical slide preparation. Maintains consistent ribbon formation for chemical staining protocols. Classified HTS 9027.90.68.00 as microtome accessory.
Zeiss Microtome Knife Holder
This precision knife holder is designed specifically for Zeiss microtomes used in histological sample preparation. It securely positions disposable or reusable blades for ultra-thin sectioning of tissue samples under optical microscopes. Classified under HTS 9027.90.68.00 as an optical instrument accessory for microtomes due to its integration with microscope-based pathology workflows.
Leica Disposable Microtome Blades
High-grade stainless steel blades engineered for Leica RM-series microtomes in clinical histology labs. These blades create sections as thin as 0.5 microns for subsequent optical microscopy examination. Falls under HTS 9027.90.68.00 as 'other' parts of optical analysis microtomes.
Olympus Microtome Stage Adapter
Adjustable specimen stage adapter for Olympus research microtomes, enabling precise orientation for frozen or paraffin sections viewed under compound microscopes. Facilitates physical analysis of biological samples through ultra-thin sectioning. HTS 9027.90.68.00 covers this as other optical microtome accessory.
Sakura Tissue-Tek Cryostat Blade Holder
Specialized blade holder for Sakura Tissue-Tek cryostats used in rapid frozen section preparation for intraoperative optical microscopy consultation. Ensures stable cutting at -20°C for immediate pathological analysis. Classified HTS 9027.90.68.00 as microtome accessory for optical instruments.
Thermo Scientific Microm HM Cryostat Puck
Anti-roll puck attachment for Thermo Scientific Microm HM cryostats prevents tissue curling during sectioning for optimal optical microscopy slides. Disposable design maintains specimen integrity for chemical staining analysis. HTS 9027.90.68.00 as other optical microtome part.
Feinwerktechnik Microtome Cassette Clamp
Precision cassette clamping mechanism for embedding cassette orientation in paraffin microtomes, compatible with optical microscope slide preparation workflows. Ensures reproducible section alignment for digital pathology scanning. HTS 9027.90.68.00 other optical instrument accessory.
Precisionary CM1950 UV Cryostat Knife
UV-sterilizable tungsten carbide knife for Precisionary CM1950 research cryostats producing sections for fluorescence optical microscopy. Patented geometry minimizes compression artifacts in neural tissue analysis. HTS 9027.90.68.00 as optical microtome part.