Drilled Borosilicate Laboratory Flask Blanks from Mexico
Borosilicate glass sheets from heading 7005, drilled with precise holes and edge-worked for forming lab equipment blanks. Classified in 7006.00.4050 as worked but not yet fitted into complete articles.
Duty Rate — Mexico → United States
14.9%
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
• Include chemical composition certificates confirming borosilicate from heading 7005 to justify classification
• Avoid importing with temporary fittings; even plastic protectors can trigger reclassification out of 7006
• Declare intended end-use carefully; lab glass may require additional FDA or safety certifications