High-Purity PTFE Granules
Pharmaceutical-grade polytetrafluoroethylene granules with ultra-high purity (>99.9% PTFE), used in medical device molding. Falls under HTS 3904.61.00 per strict 95% monomer content rule for named polymers.
Import Duty Rates by Country of Origin
| Origin Country | MFN Rate | Ch.99 Surcharges | Total Effective Rate |
|---|---|---|---|
| 🇨🇳China | 5.8% | +37.5% | 43.3% |
| 🇲🇽Mexico | 5.8% | +10.0% | 15.8% |
| 🇨🇦Canada | 5.8% | +10.0% | 15.8% |
| 🇩🇪Germany | Free | +10.0% | 10% |
| 🇯🇵Japan | Free | +12.5% | 12.5% |
More Specific Codes
This product may fall under a more specific subheading:
Alternative Classifications
This product could be classified differently depending on its characteristics or intended use.
If certified for direct medical use
Finished pharmaceutical articles shift to Chapter 30.
If purity <95% due to stabilizers
Impure polymers classify by weight-dominant monomer.
If imported as sterile-packed units
Retail-ready sterile plastic items may qualify as articles.
Not sure which classification is right?
The Tariff Assistant works through the GRI rules on your specific product to reach the right HTS code — and can price the duty on it in the same conversation.
Import Tips & Compliance
• Include USP Class VI or ISO 10993 biocompatibility certificates for CBP review
• Test for extractables to confirm purity and prevent reclass to mixtures
Related Products under HTS 3904.61.00
PTFE Food Contact Compliant Resin
FDA-compliant polytetrafluoroethylene resin for food processing equipment components. Meets HTS 3904.61.00 as pure PTFE with required extractive limitations.
PTFE Chemical Processing Grade
High chemical resistance polytetrafluoroethylene for lining reactors and tanks. Pure resin form qualifies under HTS 3904.61.00 fluoropolymer heading.
High-Bulk Density PTFE
Polytetrafluoroethylene resin with engineered high bulk density (0.8+ g/cc) for automated molding. Pure PTFE composition qualifies under HTS 3904.61.00 primary polymer provisions.
PTFE for Electrical Insulation
Low dielectric loss polytetrafluoroethylene resin for wire insulation extrusion. Meets HTS 3904.61.00 as ≥95% pure PTFE monomer in primary form.
PTFE Aerospace Grade Resin
Polytetrafluoroethylene meeting aerospace specifications (AMS 3660) for seals and bearings. HTS 3904.61.00 classification as specification-grade pure PTFE polymer.
Virgin Polytetrafluoroethylene Resin
Pure polytetrafluoroethylene (PTFE) resin in granular form, consisting of 100% PTFE monomer units, used as a base material for molding into sheets, rods, or other shapes. It falls under HTS 3904.61.00 as it meets the 'poly' prefix requirement of 95% or more PTFE content by weight in primary form.