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3904.61.00.90/PTFE Filler Powder/Japan

PTFE Filler Powder from Japan

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 — Japan → United States

12.5%

Rate breakdown

9903.05.4912.5%Section 301 (forced labor) — Japan (col1 rate < 12.5 percent): MFN < 12.5% → total duty capped at 12.5%
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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