Porcelain Watch Glass from Mexico
Concave porcelain dish for covering lab vessels, evaporating liquids, or as a lid in technical processes. Classified in HTS 6909.19.50 for other ceramic lab wares, meeting fired porcelain criteria. Chemical resistance key for technical use distinction.
Duty Rate — Mexico → United States
14%
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
• Label clearly as lab-grade to prevent tableware confusion
• Avoid Chapter 71 exclusion by confirming no jewelry imitation
• Batch certify firing process for multiple imports