1,1,2-Trifluoroethane (HFC-143) Foam Blowing Agent from Japan
1,1,2-Trifluoroethane (HFC-143) supplied for rigid polyurethane foam insulation manufacturing as a blowing agent. This pure saturated fluorinated hydrocarbon is specifically identified in HTS 2903.44.10.30. Lower GWP alternative to HFC-245fa in building insulation applications.
Duty Rate — Japan → United States
12.5%
Rate breakdown
9903.05.4912.5%Section 301 (forced labor) — Japan (col1 rate < 12.5 percent): MFN < 12.5% → total duty capped at 12.5%
Import Tips
• Foam sector importers qualify for specific SNAP exemptions; document end-use in manufacturing declarations
• Ensure ISO 9001 certified supply chain documentation for quality assurance in construction applications