</>Build with Tariff Intelligence|Programmatic access to tariff calculations and HS code classification.Explore Developer Resources →

Diatomaceous Earth Activated Filter Aid from China

Calcined and flux-calcined diatomaceous earth activated for use as filter aid in beverage and pharmaceutical filtration. HTS 3802.90.2000 covers this activated siliceous earth enhancing filtration efficiency. Removes fine particles and clarifies liquids effectively.

Duty Rate — China → United States

40%

Rate breakdown

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)
9903.05.3112.5%Section 301 (forced labor) — additional 12.5% ad valorem on products of China

Import Tips

Provide calcination temperature records to verify activation process

Ensure silica dust safety data for worker protection compliance

Obtain food-grade certification for beverage/pharma applications

Diatomaceous Earth Activated Filter Aid from China — Import Duty Rate | HTS 3802.90.20.00