Viscose Foam Insulation Panels from Japan
Cellular panels of regenerated cellulose foam (viscose process) used for thermal and acoustic insulation in walls and appliances. Classified in 3921.14.00.00 as foamed sheets of plastics specifically from regenerated cellulose monomer units.
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
• Ensure documentation proves industrial end-use to distinguish from household articles under 3924 exclusions
• Test for predominant regenerated cellulose content (>95% by weight) as per Chapter 39 subheading note (a)(1)
• Package in bulk rolls to avoid retail sizing limits triggering 3921 special rates per US note