Hydroton Expanded Clay Balls from Japan
Hydroton brand expanded clay balls are spherical lightweight aggregates for hydroponic growing systems. Classified in HTS 6806.20.00.00 as expanded clays used in inert media applications. Reusable and pH neutral for plant root support.
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
• Specify ball diameter (e.g
• 8mm) and expansion specs in commercial invoices
• Ensure phytosanitary certificates if destined for agricultural use
• Package in mesh bags to demonstrate non-soil growing medium status