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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

1,1,2-Trifluoroethane (HFC-143) Foam Blowing Agent from Japan — Import Duty Rate | HTS 2903.44.10.30