New

Ask Wove anything about tariffs.

Try Tariff Assistant

Montmorillonite K10 Activated Clay Catalyst from China

Acid-treated montmorillonite K10 clay serving as a heterogeneous catalyst in organic synthesis reactions. Classified in HTS 3802.90.2000 as activated earth with catalytic adsorptive properties. Common in pharmaceutical and fine chemical manufacturing.

Duty Rate — China → United States

40%

Rate breakdown

9903.05.3112.5%Except for products described in headings 9903.05.85–9903.05.92, articles the product of China, as provided for in U.S. note 52 to this subchapter
9903.88.0325%Except as provided in headings 9903.88.13, 9903.88.18, 9903.88.33, 9903.88.34, 9903.88.35, 9903.88.36, 9903.88.37, 9903.88.38, 9903.88.40, 9903.88.41, 9903.88.43, 9903.88.45, 9903.88.46, 9903.88.48, 9903.88.56, 9903.88.64, 9903.88.66, 9903.88.67, 9903.88.68, or 9903.88.69, articles the product of China, as provided for in U.S. note 20(e) to this subchapter and as provided for in the subheadings enumerated in U.S. note 20(f)

Import Tips

• Provide catalyst activity specifications and safety data sheets for customs verification

• Declare as industrial catalyst to avoid consumer product scrutiny

• Ensure REACH/TSCA compliance for chemical import notifications