6806.90.00.90/Expanded Clay Pebbles Hydroponics/Japan

Expanded Clay Pebbles Hydroponics from Japan

Round, lightweight expanded clay aggregate (LECA) balls used as growing medium in hydroponic systems for thermal insulation and drainage. Classified in HTS 6806.90.00.90 as expanded clays, a sound-insulating mineral material not covered by other headings.

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%

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Import Tips

• Specify particle size (e.g

• 8-16mm) and inertness certificates for agricultural entry

• Prevent misclassification as Chapter 25 earths by proving thermal expansion process

• Fumigation may be required if suspected of pest contamination