Dilatometers for Thermal Expansion from China
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 — China → United States
37.5%
Rate breakdown
9903.05.3112.5%Except for products described in headings 9903.05.85–9903.05.92, articles the product of China, as provided for in U.S. note 52 to this subchapter
9903.88.0125%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]
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