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.

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.

9027.50.40Same rate: 35%

If using only optical radiations without thermal specificity

General optical radiation instruments exclude dedicated thermal analysis apparatus.

8479.89.65Lower: 20.3% vs 35%

If industrial process control equipment

End-use in manufacturing shifts from lab analysis to machinery accessories.

9033.00Lower: 14.4% vs 35%

If as parts or accessories for other analyzers

Chapter note 2(c) classifies non-specific parts in 9033 if not solely for thermal instruments.

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

Provide user manuals specifying optical components to distinguish from basic balances under 8423

Ensure proper hazardous material declarations for sample handling features during import

Related Products 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.