Clam Shell Powder from Canada
Simply ground powder from clam shells (Mercenaria spp.), unworked beyond basic crushing. Falls under HTS 0508.00.00.00 as powder of mollusc shells for soil amendment or cosmetics.
Duty Rate — Canada → United States
0%
Rate breakdown
9903.05.860%Articles provided for in subdivision (b) of U.S. note 52 to this subchapter
Import Tips
• Particle size specs prevent chemical reclassification
• Eco-cert for organic farming use