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Dilatometers for Thermal Expansion from Japan

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.

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

Import Tips

• Document optical measurement method (e.g

• laser interferometry) to support 9027.50 classification

• Check for Section XVI notes applicability if integrated with machine tools

• Avoid bulk packaging misclassification; retail lab units stay here, industrial per end-use