Fused Silica Pharmaceutical Drying Tubes from Japan
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 — Japan → United States
12.5%
Rate breakdown
9903.05.4912.5%Except for products described in headings 9903.05.85–9903.05.92, articles the product of Japan, with an ad valorem (or ad valorem equivalent) rate of duty under column 1 less than 12.5 percent, as provided for in U.S. note 52 to this subchapter
Import Tips
• USP Class VI biocompatibility certificates often required alongside material specs
• Document cleanroom production to prove pharmaceutical grade purity