HFC-245fa Foam Expansion Agent from Japan
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.
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
• Obtain EPA allocation for HFC production/import quotas annually
• Maintain Certificates of Analysis verifying isomer specification
• Ensure proper venting procedures in import documentation