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
9903.03.0110%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
• 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