Granulated Cork Dust for Insulation from Mexico
Finely granulated cork dust produced by grinding natural cork bark, used primarily as a lightweight thermal insulation filler in building materials and packaging. Classified under HTS 4501.90.40.00 as granulated cork, distinct from raw cork or waste, specifically prepared through crushing and grinding processes.
Duty Rate — Mexico → United States
10%
Rate breakdown
9903.03.0110%Except for products described in headings 9903.03.02–9903.03.11, articles the product of any country, as provided for in subdivision (aa) of U.S. note 2 to this subchapter
Import Tips
• Verify particle size and purity through lab testing to confirm classification as granulated cork rather than waste
• Provide certificates of origin for natural cork sourcing to avoid misclassification as synthetic materials
• Ensure bulk packaging complies with phytosanitary requirements for natural bark products