HFC-245fa Foam Expansion Agent from Mexico
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 — Mexico → United States
13.7%
Rate breakdown
9903.05.5510%Section 301 (forced labor) — additional 10% ad valorem on products of Mexico
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