3827.31.00.00/HCFC-123 Foam Blowing Agent Mixture/Japan

HCFC-123 Foam Blowing Agent Mixture from Japan

Specialty mixture with HCFC-123 for polyurethane foam insulation in appliances and buildings, not containing CFCs. Falls under 3827.31.00.00 for HCFC content per subheadings 2903.41-2903.48. Used in rigid foam production for energy-efficient insulation.

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%

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Import Tips

• Declare exact HCFC percentages for quota eligibility; include VOC emission test results

• Pitfall: Failing to specify non-CFC status can trigger hazardous waste scrutiny