Leather Tankage Fertilizer from Canada
Leather tankage from chrome-tanned leather scraps hydrolyzed into 10% nitrogen fertilizer. Animal-derived under HTS 3101.00.00.00 through alkaline hydrolysis processing. Chromium levels safe for agricultural use.
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
• Hexavalent chromium testing certificates mandatory for leather products
• Hydrolysis pH logs validate processing conditions
• Tannin content analysis for organic certification