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%Section 301 (forced labor) — additional 10% ad valorem on products of Mexico
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