Thermal analysis instruments and apparatus
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: > Other instruments and apparatus using optical radiations (ultraviolet, visible, infrared): > Other: > Other > Thermal analysis instruments and apparatus
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 9903.88.05, 9903.88.06, 9903.88.07, 9903.88.08, 9903.88.10, 9903.88.11, 9903.88.14, 9903.88.19, 9903.88.50, 9903.88.52, 9903.88.58, 9903.88.60, 9903.88.62, 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(a) to this subchapter and as provided for in the subheadings enumerated in U.S. note 20(b) [to this subchapter]
Products classified under HTS 9027.50.80.20
Micro-Thermal Analysis Stage
Precision stage for AFM/STM with local heating and IR thermography for nanoscale thermal mapping. Classified HTS 9027.50.8020 as optical thermal micro-analysis apparatus. Nanotechnology applications.
Rheo-Thermal Optical Analyzer
Combined rheometer-DSC with optical windows for simultaneous flow/thermal behavior under IR monitoring. HTS 9027.50.8020 for multi-property thermal analysis using optical radiations. For complex fluids research.
Differential Scanning Calorimeter (DSC)
A differential scanning calorimeter measures heat flow differences between a sample and reference as a function of temperature, used for analyzing phase transitions and thermal stability in materials like polymers. It falls under HTS 9027.50.8020 as a thermal analysis instrument employing optical radiation for precise temperature and heat capacity measurements. Commonly used in quality control for pharmaceuticals and plastics.
Dilatometers for Thermal Expansion
Dilatometers measure dimensional changes in materials with temperature variation using interferometric optical techniques for high precision. This apparatus is under HTS 9027.50.8020 as thermal analysis equipment relying on optical radiations. Applied in ceramics, metals, and electronics industries.
Laser Flash Thermal Conductivity Analyzer
Apparatus using laser pulse and IR detection to measure thermal diffusivity and conductivity in solids. Under HTS 9027.50.8020 for optical radiation-based thermal analysis. Used in aerospace and electronics thermal management.
Photothermal Microscope for Thermal Analysis
Microscopy system combining IR excitation with thermal imaging for localized thermal property mapping. Classed under HTS 9027.50.8020 as optical thermal analysis instrument. Ideal for semiconductors and thin films.
Thermal Desorption Optical Analyzer
Units heating samples for volatile compound release detected by IR spectroscopy in thermal profiling. HTS 9027.50.8020 for optical thermal analysis apparatus. Used in VOC testing for materials.
Thermogravimetric Analyzer (TGA)
A thermogravimetric analyzer continuously measures mass change of a sample as temperature increases, detecting decomposition and volatility in materials. Classified under HTS 9027.50.8020 for its use of infrared optical systems in thermal profiling. Vital for R&D in chemicals, food, and composites.
Flash Differential Calorimeter
High-speed chip-based calorimeters for rapid heat capacity and reaction analysis using modulated IR radiation. Fits HTS 9027.50.8020 for specialized thermal analysis with optical components. Used in high-throughput screening for batteries and nanomaterials.
Simultaneous TGA-DSC Analyzer
Combined thermogravimetric and differential scanning systems for coupled mass/heat analysis using dual optical detection. Classified in HTS 9027.50.8020 as advanced thermal apparatus with optical radiations. Essential for polymer degradation studies.
Infrared Thermomechanical Analyzer (TMA)
TMA instruments measuring mechanical properties under controlled temperature via IR pyrometry. Falls under HTS 9027.50.8020 for thermal analysis using infrared optical radiations. Used for viscoelastic material characterization.
Modulated Differential Scanning Calorimeter
Advanced DSC with sinusoidal temperature modulation and optical heat flow detection for reversible/irreversible process separation. HTS 9027.50.8020 classification for sophisticated optical thermal analysis. Key for curing kinetics in composites.
Optical Pyrolysis Analyzer
Systems inducing pyrolysis with IR heating monitored by optical spectroscopy for evolved gas analysis. Under HTS 9027.50.8020 as thermal decomposition analysis apparatus using optical radiations. Used in environmental and polymer forensics.
HyperDSC High-Pressure Thermal Analyzer
High-pressure DSC systems with sapphire optical windows for in-situ polymerization studies. Classified HTS 9027.50.8020 for pressurized thermal analysis using visible/IR optics. Applications in oil & gas simulations.
Evolved Gas Analysis FTIR Interface
Interface coupling thermal analyzers to FTIR spectrometers for real-time gas evolution optical analysis. Under HTS 9027.50.8020 as thermal analysis accessory with optical transfer. Enhances TGA/DSC capabilities.