9027.50.80.20/Differential Scanning Calorimeter (DSC)/Japan

Differential Scanning Calorimeter (DSC) from Japan

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.

Duty Rate — Japan → United States

12.5%

Rate breakdown

9903.05.4912.5%Except for products described in headings 9903.05.85–9903.05.92, articles the product of Japan, with an ad valorem (or ad valorem equivalent) rate of duty under column 1 less than 12.5 percent, as provided for in U.S. note 52 to this subchapter

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Import Tips

• Verify CE marking or FDA compliance if destined for medical research applications to avoid customs holds

• Include detailed technical specifications and calibration certificates in documentation to confirm classification as thermal analysis apparatus

• Beware of misclassification as general lab equipment under 9027.80; ensure optical radiation use is documented