Expanded Clay Acoustical Partition Boards from Japan
Lightweight boards made from expanded clay (LECA) granules bound with mineral adhesives for office partitions that reduce noise transmission. Classified in HTS 6806.90.00.10 for sound-absorbing articles of expanded clays, excluding coated textiles or Chapter 69 items. Ideal for modular interior construction.
Duty Rate — Japan → United States
12.5%
Rate breakdown
9903.05.4912.5%Except for products described in headings 9903.05.85–9903.05.92, articles the product of Japan, with an ad valorem (or ad valorem equivalent) rate of duty under column 1 less than 12.5 percent, as provided for in U.S. note 52 to this subchapter
Import Tips
• Test and certify clay expansion process and sound transmission class (STC); label as non-toxic
• For EU imports, meet REACH for clay sourcing; pitfall is bulk import misclassified as raw clay
• Use humidity-controlled shipping to maintain integrity of porous structure