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HFC-245fa Foam Expansion Agent

Technical grade HFC-245fa used specifically for expanding polystyrene and phenolic foam boards in building insulation. Falls squarely under HTS 2903.47.10.00 as the named pentafluoropropane chemical compound.

Import Duty Rates by Country of Origin

Origin CountryMFN RateCh.99 SurchargesTotal Effective Rate
🇨🇳China3.7%+12.5%16.2%
🇲🇽Mexico3.7%+10.0%13.7%
🇨🇦Canada3.7%+10.0%13.7%
🇩🇪GermanyFree+10.0%10%
🇯🇵JapanFree+12.5%12.5%

Alternative Classifications

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

8461.90Higher: 16.9% vs 16.2%

If imported in foam production machinery

Refrigerants/agents in equipment classified with machinery components.

2710.19Higher: 19.5% vs 16.2%

If butane/propane physical mixtures

Hydrocarbon blowing agent blends classified as petroleum gases.

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

• Obtain EPA allocation for HFC production/import quotas annually

• Maintain Certificates of Analysis verifying isomer specification

• Ensure proper venting procedures in import documentation