Synthetic Silica Gel Powder for Catalyst Support from Germany
Fine powder synthetic silica gel used as inert support for petroleum cracking catalysts. HTS 2811.22.10.00 applies to pure synthetic SiO2 before impregnation with active metals.
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
• Specify BET surface area (>300 m²/g) in specs for catalyst-grade verification
• Pure support stays 2811; metal-impregnated becomes 3815 (catalysts)
• Dust hazard precautions required for fine powders in shipping