Microtomes; parts and accessories
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. > Microtomes; parts and accessories > Microtomes; parts and accessories
Duty Rate (from China)
Products classified under Tariff item 9027.90.00
Boulder Ultramicrotome for Electron Microscopy
The Boulder Ultramicrotome is a precision instrument designed for ultrathin sectioning of specimens for transmission electron microscopy. It uses diamond knives to produce sections in the 50nm to 5μm range, essential for cell biology and virology research. This falls under tariff item 9027.90.00 as a microtome, specifically a type of ultramicrotome.
Buffer Circulation Pump Adapter
The Buffer Circulation Pump Adapter is a plastic adapter connecting external peristaltic pumps to electrophoresis tank ports for continuous buffer flow. It is designed for basic electrophoresis systems. This is a part or accessory for electrophoresis instruments, falling under tariff item 9027.90.00 as a part of microtomes or similar instruments.
Chromatograph Column Assembly
A replacement column assembly for gas chromatographs used in chemical analysis of samples. It is a part specifically designed for instruments of subheading 9027.30, which covers spectrometers and similar apparatus. This column assembly is classified under tariff item 9027.90.00 as a part of analysis instruments.
Combs for Gel Electrophoresis Wells
Combs for Gel Electrophoresis Wells are shark-tooth and standard Teflon combs used for creating sample loading wells in agarose and acrylamide gels. They are compatible with Mini-Gel systems and lack measuring features. These are accessories for electrophoresis instruments, falling under tariff item 9027.90.00.
Combustion Analyzer Oxygen Sensor PCB
A signal conditioning printed circuit board for zirconia oxygen sensors used in combustion efficiency analyzers. It manages reference air pump control, thermocouple compensation, and lambda calculation for accurate emission measurements. This dedicated electrical assembly is a part of instruments for physical or chemical analysis under tariff item 9027.90.00.
Electrophoresis Cooling Plate
The Electrophoresis Cooling Plate is an aluminum heat dissipation plate for maintaining temperature control in high-voltage electrophoresis runs. It fits standard tank bottoms and is for instruments without integrated optical detection. This is a part for electrophoresis instruments, classified under tariff item 9027.90.00.
Electrophoresis Electrode Assembly
The Electrophoresis Electrode Assembly is a platinum wire electrode pair with insulated leads for submerged gel electrophoresis tanks, providing uniform current distribution. It is for non-optical instruments. This is a part for electrophoresis instruments, falling under tariff item 9027.90.00.
Electrophoresis Power Cord Connector
The Electrophoresis Power Cord Connector is a specialized electrical connector for linking power supplies to gel electrophoresis tanks, featuring high-voltage tolerant insulation for safe operation up to 300V. This accessory is exclusive to non-optical electrophoresis systems. This is a part for electrophoresis instruments, classified under tariff item 9027.90.00.
Electrophoresis Tank Leveling Base
An adjustable aluminum platform ensuring horizontal alignment of gel tanks for uniform electrophoresis. It is a part of electrophoresis instruments used in chemical analysis. This accessory falls under tariff item 9027.90.00 for parts of analysis instruments.
Electrophoresis Tank Lid Clamp Set
A set of four stainless steel thumb-screw clamps used to secure the lid on submarine gel electrophoresis units, ensuring proper electrical contact during runs. These clamps are parts of electrophoresis instruments used for physical or chemical analysis, and are not optical in nature. They are classified under tariff item 9027.90.00 as parts and accessories of microtomes and similar analysis instruments.
Environmental Gas Monitor Mainboard
A main control printed circuit assembly for continuous gas monitoring stations, integrating multiple sensor inputs, data logging, and Modbus interfaces. It is critical for industrial emissions analysis and compliance reporting. This part is specifically designed for gas analysis instruments under tariff item 9027.90.00.
Flue Gas Emissions Analyzer Processor
A processor PCB for stationary flue gas analyzers used in power plants and incinerators, featuring multi-gas calibration and stack flow compensation algorithms. It processes O2, CO, NOx, and SO2 measurements simultaneously. This part is dedicated to gas analysis instruments under tariff item 9027.90.00.
Gas Analyzer Printed Circuit Board Assembly
A printed circuit board assembly that is a core component for electrical gas or smoke analysis instruments, handling signal processing, data acquisition, and interface functions. It is essential for measuring gas concentrations in various industrial applications. This part falls under tariff item 9027.90.00 for parts of analysis instruments.
Gel Electrophoresis Tray Assembly
A plastic and aluminum tray assembly designed to hold and run agarose or polyacrylamide gels in horizontal electrophoresis instruments. It fits standard models like the Bio-Rad Mini-Sub Cell and is a replacement part for these analysis instruments. This tray is classified under tariff item 9027.90.00 as an accessory for electrophoresis equipment used in physical or chemical analysis.
Gel Knife and Scraper Tool
A dual-purpose stainless steel tool used for excising and scraping DNA or RNA bands from gels after electrophoresis runs. It is a hand tool specifically designed for use with electrophoresis equipment in biochemical analysis. This tool is classified under tariff item 9027.90.00 as an accessory for analysis instruments, not as a general-purpose tool.
Histology Vibrating Blade Microtome
The Histology Vibrating Blade Microtome, also known as a vibratome, uses high-frequency vibration with sapphire blades to section fresh, unfixed brain slices for neuroscience research. It produces 20-400 micron live tissue sections without requiring embedding. This is a type of microtome, classified under tariff item 9027.90.00.
Infrared Gas Analyzer Interface PCB
An interface board for NDIR gas analyzers, featuring optical sensor amplification and concentration calculation circuits. It is essential for CO2, CO, and hydrocarbon measurement in HVAC systems. This part is dedicated to gas analysis instruments under tariff item 9027.90.00.
Laboratory HPLC Detector Electronics Board
An electronics PCB for High-Performance Liquid Chromatography UV detectors, handling lamp control, photodetector signal processing, and peak integration. It is specifically designed for chemical analysis apparatus under subheading 9027.89. This part is classified under tariff item 9027.90.00.
Leica Biosystems RM CoolClamp Microtome
The Leica Biosystems RM CoolClamp Microtome maintains specimen temperature during paraffin sectioning, preventing compression artifacts in fatty tissues. It combines Peltier cooling with rotary microtomy for crisp 2-5 micron ribbons. This is a microtome, classified under tariff item 9027.90.00.
Leica RM2255 Fully Automated Rotary Microtome
The Leica RM2255 is a fully automated rotary microtome designed for precise sectioning of paraffin-embedded tissue samples in histology laboratories. It features smooth manual or motorized operation with adjustable blade angles. This is a microtome, falling under tariff item 9027.90.00.
Mass Spectrometer Ion Source Control Board
A control PCB for mass spectrometer ion source power supplies and timing circuits, managing filament current, extraction voltages, and quadrupole control. It is designed for molecular identification in chemical analysis. This part falls under tariff item 9027.90.00 for parts of analysis instruments.
Microm HM 340E Rotary Microtome
The Microm HM 340E is a manual rotary microtome for precise paraffin sectioning in research and clinical histology. It offers a 50-60mm vertical stroke and a 1-60 micron range, with robust construction for high-volume labs. This is a microtome, falling under tariff item 9027.90.00.
Multi-Channel Loading Reservoir Insert
A disposable polystyrene insert that creates 8 to 12 sample channels for robotic pipetting into gels during electrophoresis. It is a consumable accessory for non-optical electrophoresis units used in genetic analysis. This insert is classified under tariff item 9027.90.00 as a part or accessory of analysis instruments.
Multi-Component FTIR Analyzer Controller
A controller PCB for Fourier Transform Infrared gas analyzers, managing interferometer mirror position, DTGS detector readout, and spectral processing. It is used for simultaneous multi-gas identification in clean rooms. This part is dedicated to gas analysis instruments under tariff item 9027.90.00.
Pharmaceutical Purity Gas Analyzer Board
A precision PCB for headspace gas analyzers used in pharmaceutical packaging integrity testing, featuring helium leak detection circuits and moisture analysis. It ensures compliance with USP <1207> container closure integrity standards. This part falls under tariff item 9027.90.00 for parts of analysis instruments.
Polyacrylamide Gel Casting Dam
Precision-machined silicone dams used to form leak-proof seals during polyacrylamide gel polymerization in vertical electrophoresis setups like the Bio-Rad Mini-PROTEAN. These dams are exclusively for non-optical detection instruments. They are classified under tariff item 9027.90.00 as parts of electrophoresis apparatus used in chemical analysis.
Precise Biomedical CryoJane Tape-Transfer Microtome
The Precise Biomedical CryoJane Tape-Transfer Microtome is a specialized microtome that uses adhesive tape to capture frozen sections directly onto slides, preventing wrinkles in breast cancer margin analysis. It is compatible with TEC cryostats and is used for room-temperature handling. This is a microtome, falling under tariff item 9027.90.00.
Process Gas Chromatograph Interface Board
An interface PCB connecting process gas chromatographs to plant DCS systems, featuring analog I/O, Profibus, and oven temperature control circuits. It is used in petrochemical refineries for continuous composition analysis. This part is dedicated to gas chromatography instruments under tariff item 9027.90.00.
Sakura Tissue-Tek TEC 5 Cryostat Microtome
The Sakura Tissue-Tek TEC 5 Cryostat Microtome combines cryostat refrigeration with microtome sectioning for rapid frozen tissue diagnosis in surgical pathology. It maintains -20°C to -10°C temperatures while producing 5-50 micron sections. This is a microtome, classified under tariff item 9027.90.00.
Sample Loading Guide Template
An acrylic template that aligns micropipette tips for precise multi-well gel loading in high-throughput electrophoresis. It is a non-measuring accessory for basic, non-optical systems. This template is classified under tariff item 9027.90.00 as an accessory for analysis instruments.
SDS-PAGE Buffer Reservoir Gasket
An EPDM rubber gasket that seals upper and lower buffer chambers in SDS-PAGE electrophoresis tanks, preventing leaks during high-voltage runs. It is designed for instruments like Invitrogen Novex systems without optical readers. This gasket is classified under tariff item 9027.90.00 as a part of electrophoresis apparatus.
Shandon Finesse 325 Retracting Rotary Microtome
The Shandon Finesse 325 Retracting Rotary Microtome features blade retraction technology to protect samples during upstroke, ideal for fragile neurological tissues in neuropathology. It offers 0.5 micron precision for research-grade sections. This is a microtome, falling under tariff item 9027.90.00.
Smoke Detection Analyzer Control PCB
A printed circuit board assembly dedicated to smoke analysis apparatus, featuring particle detection algorithms and alarm interfaces. It processes optical and ionization sensor signals for accurate smoke measurement. This part falls under tariff item 9027.90.00 for parts of analysis instruments.
Spectrometer Signal Processing PCB
A PCB assembly that processes spectral data for gas chromatograph-mass spectrometers, including ADC converters and FPGA for peak analysis. It is designed exclusively for chemical composition analysis apparatus. This part is classified under tariff item 9027.90.00.
Stack Gas Velocity Measurement Electronics
A PCB assembly for thermal anemometer-based stack gas velocity sensors integrated with analyzers, calculating mass flow rates when paired with gas concentration data. It is used for EPA compliance reporting. This part is dedicated to gas analysis instruments under tariff item 9027.90.00.
Tank Grounding Clip Set
Stainless steel alligator clips used to ground electrophoresis tanks to prevent electrical hazards during runs. They are safety accessories for electrophoresis instruments used in analysis. These clips are classified under tariff item 9027.90.00 as parts of analysis apparatus.
Thermo Scientific HM 355S Automated Microtome
The Thermo Scientific HM 355S is a high-precision automated microtome for routine and research histology, capable of sectioning at 0.5-60 microns with cryogenic capabilities for frozen specimens. It includes ergonomic design and disposable blade systems. This is a microtome, classified under tariff item 9027.90.00.
Tissue-Tek TEC 6 Cryostat with Microtome
The Tissue-Tek TEC 6 Cryostat with Microtome is a next-generation cryostat microtome for intraoperative frozen sections, featuring -35°C capability and touch-screen operation for rapid cancer margin assessment. It produces artifact-free 3-10 micron sections. This is a microtome, falling under tariff item 9027.90.00.
Vertical Slab Gel Cassette Spacer
Notched polycarbonate spacers that set precise gap widths for uniform vertical PAGE gel polymerization. They are specific to non-detection electrophoresis systems. These spacers are classified under tariff item 9027.90.00 as parts of electrophoresis instruments.
VOC Emissions Portable Analyzer PCB
A compact PCB for handheld VOC analyzers, integrating photoionization detection and PID lamp control. It is designed for field industrial hygiene monitoring. This part falls under tariff item 9027.90.00 for parts of analysis instruments.