Expanded Clay Hydroponic Substrate from Mexico
Pre-washed expanded clay substrate optimized for commercial hydroponic farms as inert growing medium. HTS 6806.20.00.00 includes these expanded clays for agricultural insulation and support. Sterile and reusable for clean cultivation.
Duty Rate — Mexico → United States
10%
Rate breakdown
9903.05.5510%Section 301 (forced labor) — additional 10% ad valorem on products of Mexico
Import Tips
• Include sterilization certificates to satisfy agricultural import regulations
• Declare particle porosity specs for verifying expanded clay properties
• Avoid soil association labeling to prevent quarantine delays