Electrical Thermal Expansion Tester from Mexico
Precision instrument electrically controlling temperature cycles to measure coefficient of thermal expansion in metals and ceramics. Under HTS 9027.89.45.60 for electrical apparatus measuring expansion. Used in materials science R&D with high-resolution dilatometer sensor.
Duty Rate — Mexico → United States
10%
Rate breakdown
9903.03.0110%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
Import Tips
• Document temperature range and sample size specs for classification verification
• Include furnace safety certifications for high-temperature models
• Distinguish from pure thermometers by emphasizing expansion measurement function