3827.39.00.00/HCFC Foam Blowing Agent Mixture/Japan

HCFC Foam Blowing Agent Mixture from Japan

Mixture containing HCFC-141b and HCFC-142b used as auxiliary blowing agents in polyurethane foam production for insulation panels. Classified under 3827.39.00.00 as HCFC mixtures for industrial chemical processes. Reduces foam density while maintaining thermal properties.

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%

Calculate with your customs value Verify classification with AI

Import Tips

• Provide foam manufacturing process documentation; comply with Significant New Alternatives Policy (SNAP) rules; segregate from CFC-containing stocks