PTFE Filler Powder from Mexico
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 — Mexico → United States
15.8%
Rate breakdown
9903.05.5510%Except for products described in headings 9903.05.85–9903.05.92 and 9903.05.94, articles the product of Mexico, as provided for in U.S. note 52 to this subchapter
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