PTFE Low Molecular Weight Powder from Mexico
Low molecular weight PTFE powder used as anti-drip agent in engineering plastics. HTS 3904.61.00.90 'Other' category for primary form PTFE meeting monomer content rules. Additive grade, not fabricated.
Duty Rate — Mexico → United States
15.8%
Rate breakdown
9903.05.5510%Section 301 (forced labor) — additional 10% ad valorem on products of Mexico
Import Tips
• Document molecular weight (e.g
• 500,000 g/mol) to distinguish from high MW grades
• Ensure <5% impurities via GC-MS analysis for pure polymer status