Expanded Clay Pebbles Hydroponic Grow Media from Japan
Lightweight clay balls expanded at high temperature for hydroponic plant support and drainage. Classified in HTS 6806.90.00 as expanded mineral material articles for thermal insulation properties.
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
• Provide expansion process specs to confirm lightweight insulating properties
• Sterilization certificates prevent agricultural quarantine issues