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Mixed CFC/HCFC Foam Blowing Agent

Blend of CFCs like R-11 with HCFC-141b for polyurethane foam production in insulation panels. Falls under 3827.11.00.00 because it contains CFCs along with other fluorocarbons as a propane/methane derivative mixture.

Import Duty Rates by Country of Origin

Origin CountryMFN RateCh.99 SurchargesTotal Effective Rate
🇨🇳China3.7%+37.5%41.2%
🇲🇽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.

3827Same rate: 41.2%

If HCFC-only without any CFCs

Absence of CFCs shifts to other halogenated mixtures subheading.

3909.31.00Higher: 44% vs 41.2%

If pre-polymerized into foam chemical

If chemically modified into polymers, it becomes Chapter 39 plastics.

2942.00Lower: 16.2% vs 41.2%

If classified as organic derivative intermediate

Pure intermediates may fall under Chapter 29 if not final mixture.

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

• Apply for foam blowing exemption under Clean Air Act allocations

• Document blend ratios to prove CFC presence for correct heading

Related Products under HTS 3827.11.00.00