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PTFE Low Molecular Weight Powder

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.

Import Duty Rates by Country of Origin

Origin CountryMFN RateCh.99 SurchargesTotal Effective Rate
🇨🇳China5.8%+37.5%43.3%
🇲🇽Mexico5.8%+10.0%15.8%
🇨🇦Canada5.8%+10.0%15.8%
🇩🇪GermanyFree+10.0%10%
🇯🇵JapanFree+12.5%12.5%

Alternative Classifications

This product could be classified differently depending on its characteristics or intended use.

3824.99Lower: 17.5% vs 43.3%

If pre-compounded into masterbatch pellets

Polymer concentrates are chemical preparations.

3912.39.00Lower: 41.7% vs 43.3%

If cellulose-based modified polymer

Different base polymer series applies.

3402.90Lower: 16.2% vs 43.3%

If surface-treated for organic surface-active use

Treated polymers become surfactants.

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

• 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