Calcined Tripolite from Canada
Heat-treated tripolite, a diatomaceous siliceous earth, for use in paints and coatings as an extender. Retains specific gravity ≤1, classifying under HTS 2512.00.00.00.
Duty Rate — Canada → United States
10%
Rate breakdown
9903.05.2910%Section 301 (forced labor) — additional 10% ad valorem on products of Canada
Import Tips
• TSCA pre-notice for pigment use; whiteness index specs; distinguish from fumed silica