Synthetic Amorphous Silica Gel from Germany
Synthetic amorphous silica gel is a porous form of silicon dioxide manufactured by acidifying sodium silicate, used as a desiccant. It is classified in HTS 2811.22.5000 as 'other' silicon dioxide, meeting Chapter 28 chemical definition.
Duty Rate — Germany → United States
10%
Rate breakdown
9903.05.3910%Except for products described in headings 9903.05.85–9903.05.92 and 9903.05.97, articles the product of a member state of the European Union, with an ad valorem (or ad valorem equivalent) rate of duty under column 1 less than 10 percent, as provided for in U.S. note 52 to this subchapter
Import Tips
• Document pore volume and surface area to differentiate from natural silica; include MSDS confirming synthetic origin
• For beaded/granular forms, specify not calcined to avoid mineral product confusion