New

Ask Wove anything about tariffs.

Try Tariff Assistant

HFC-23 Foam Blowing Agent Blend from Mexico

Polyurethane foam blowing agent mixture incorporating HFC-23 for insulated panels and appliances. Falls under HTS 3827.51.00.00 because it contains trifluoromethane without CFCs or HCFCs, used in energy-efficient insulation production.

Duty Rate — Mexico → United States

13.7%

Rate breakdown

9903.05.5510%Except for products described in headings 9903.05.85–9903.05.92 and 9903.05.94, articles the product of Mexico, as provided for in U.S. note 52 to this subchapter

Import Tips

• Foam end-product EPA registration may be required for blowing agents

• Vapor pressure and flammability data sheets essential for classification

• Document compatibility with specific polyol/isocyanate systems