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HFC Foam Blowing Agent Mixture

This mixture of HFC-134a (2903.42) and HFC-152a (2903.41) serves as a blowing agent for polyurethane insulation foams in appliances. It falls under 3827.68.00.00 as an HFC mixture from designated subheadings without CFCs/HCFCs.

Import Duty Rates by Country of Origin

Origin CountryMFN RateCh.99 SurchargesTotal Effective Rate
🇨🇳China3.7%+35.0%38.7%
🇲🇽Mexico3.7%+10.0%13.7%
🇨🇦Canada3.7%+10.0%13.7%
🇩🇪Germany3.7%+10.0%13.7%
🇯🇵Japan3.7%+10.0%13.7%

Alternative Classifications

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

2903.41.10.00Lower: 13.7% vs 38.7%

If primarily HFC-152a

Single dominant fluoromethane derivatives classify in 2903.41.

3824.60.00.00Lower: 22.4% vs 38.7%

If contains sorbitol per subheading notes

Specific mixtures with listed substances in 3824 notes change classification.

3909.31.00.00Higher: 41.5% vs 38.7%

If pre-reacted into polyurethane prepolymer

Polymerized forms become primary plastic products in Chapter 39.

Not sure which classification is right?

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Import Tips & Compliance

Provide volatility and flammability data; ensure compatibility cert for foam machinery; track HFC allocations under phasedown

Related Products under HTS 3827.68.00.00

R-404A Refrigerant Blend

R-404A is a zeotropic HFC refrigerant blend containing pentafluoroethane (HFC-125, 2903.41), 1,1,1,2-tetrafluoroethane (HFC-134a, 2903.42), and 1,1,1-trifluoroethane (HFC-143a, 2903.43). It is used in commercial refrigeration systems like supermarket freezers and transport units. Classified under 3827.68.00.00 as a mixture of halogenated derivatives from 2903.41-2903.48 without CFCs or HCFCs.

R-407C HFC Refrigerant

R-407C is an HFC blend of difluoromethane (HFC-32, 2903.41), pentafluoroethane (HFC-125, 2903.41), and 1,1,1,2-tetrafluoroethane (HFC-134a, 2903.42) used as a replacement for R-22 in air conditioning systems. It qualifies for 3827.68.00.00 due to containing HFCs from subheadings 2903.41-2903.48 without prohibited substances.

R-410A Air Conditioning Refrigerant

R-410A is a near-azeotropic HFC mixture of difluoromethane (HFC-32, 2903.41) and pentafluoroethane (HFC-125, 2903.41), standard in new residential and commercial AC units. It fits 3827.68.00.00 as an HFC-only blend from specified methane/ethane derivatives.

HFC-134a/R-134a Replacement Blend

This blend combines 1,1,1,2-tetrafluoroethane (HFC-134a, 2903.42) with minor HFC-32 and HFC-125 for automotive AC retrofits. Classified in 3827.68.00.00 for HFC mixtures from 2903.41-2903.48 lacking CFCs/HCFCs.

R-417A Drop-In Refrigerant

R-417A (ISCEON MO59) is an HFC blend of HFC-134a (2903.42), HFC-125 (2903.41), and HFC-600 (butane, but classified via HFCs) for R-22 replacements in chillers. Meets 3827.68.00.00 criteria for specified HFC-containing mixtures.

R-428A Mineral Oil Compatible Refrigerant

R-428A (New Capacity 70) blends HFC-125 (2903.41), HFC-143a (2903.43), HFC-404-227ea wait, HFC-134a and butane, but HFC components qualify for 3827.68.00.00 as mixtures of 2903.41-48 substances.