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

PTFE Filler Powder from China

PTFE powder used as functional filler in thermoset composites and rubbers. HTS 3904.61.00.90 'Other' for pure primary form PTFE meeting Chapter notes. Standard filler grade.

Duty Rate — China → United States

43.3%

Rate breakdown

9903.88.0225%Except as provided in headings 9903.88.12, 9903.88.17, 9903.88.20, 9903.88.54, 9903.88.59, 9903.88.61, 9903.88.63, 9903.88.66, 9903.88.67, 9903.88.68, 9903.88.69, or 9903.88.70, articles the product of China, as provided for in U.S. note 20(c) to this subchapter and as provided for in the subheadings enumerated in U.S. note 20(d)
9903.05.3112.5%Section 301 (forced labor) — additional 12.5% ad valorem on products of China

Import Tips

Specify reinforcement index and aspect ratio for filler characterization

Ensure RoHS compliance declaration for electronics fillers

Pure powder only; composites classify 3921.90 or 4002