Electrical Thermal Expansion Coefficient Tester from Mexico
Apparatus measuring material thermal expansion electrically using dilatometry for engineering labs. HTS 9027.89.45.90 for electrical instruments checking expansion. Tracks length change vs temperature precisely.
Duty Rate — Mexico → United States
10%
Rate breakdown
9903.05.5510%Section 301 (forced labor) — additional 10% ad valorem on products of Mexico
Import Tips
• Document temperature range and resolution specs clearly
• Classify as complete instrument, not machine part per Chapter 90 notes
• Include software validation if digital readout