High-Carbon Graphite Retort for Laboratory Use from Mexico
Sealed graphite retort vessel for high-temperature chemical reactions and distillation. Contains over 50% free carbon, fired after shaping per Chapter 69 requirements. Used in analytical and research laboratories.
Duty Rate — Mexico → United States
10%
Rate breakdown
9903.05.5510%Except for products described in headings 9903.05.85–9903.05.92 and 9903.05.94, articles the product of Mexico, as provided for in U.S. note 52 to this subchapter
Import Tips
• Distinguish from glassware (7017) via carbon content and firing certification
• Laboratory end-use may qualify for duty-free entry under certain HTS provisions
• Ensure not classified as lab glass (7017) by emphasizing refractory properties