Silicalite-1 Aluminosilicate from Germany
Silicalite-1 (pure silica MFI) with trace aluminum forms hydrophobic zeolite membranes. Classified HTS 2842.10.00.00 when chemically defined as complex silicate. Used in pervaporation and organic separations.
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 aluminum content <1% if applicable; provide hydrophobicity contact angle data; distinguish from optical grade under Chapter 90 exclusion