Kieselguhr Filter Aid from Canada
Calcined kieselguhr (diatomite) used as a filter aid in brewing and wine production, featuring high porosity and specific gravity under 1. This siliceous earth meets HTS 2512.00.00.00 criteria as a fossil meal.
Duty Rate — Canada → 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
• Ensure FDA compliance for food-grade use with purity certificates; declare calcination status; watch for density testing pitfalls during customs valuation