Uncoated Compressed Cork Acoustic Insulation Boards from Japan
Dense boards manufactured from compressed cork granules for superior soundproofing in studios and theaters. They qualify for HTS 4504.10.20.00 as uncoated insulation made from agglomerated compressed cork. Their porous structure effectively dampens noise vibrations.
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
• Submit acoustic performance certifications (e.g
• NRC ratings) to substantiate insulation use at customs
• Avoid packaging that suggests finished flooring; such could be reclassified under Chapter 45 flooring provisions
• Confirm no binding substance makes it resemble natural cork under Chapter 45 heading 4501