Fused Silica Pharmaceutical Drying Tubes from Mexico
Unworked tubes of fused quartz used in freeze-drying equipment for pharmaceutical lyophilization processes. Inertness prevents product-glass interactions during sublimation. Classified under 7002.31.00.00 as unworked fused silica tubes.
Duty Rate — Mexico → United States
10%
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
• USP Class VI biocompatibility certificates often required alongside material specs
• Document cleanroom production to prove pharmaceutical grade purity