HFC-23 Foam Blowing Agent Blend from Japan
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 — Japan → United States
12.5%
Rate breakdown
9903.05.4912.5%Except for products described in headings 9903.05.85–9903.05.92, articles the product of Japan, with an ad valorem (or ad valorem equivalent) rate of duty under column 1 less than 12.5 percent, 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