Refractory Fire-Clay Granules from Canada
Refractory fire-clay granules (2-6mm) serve as skeletal material in castable refractories for ladles. HTS 2508.30.00.00 covers this fire-clay form, pre-calcined for consistency. Vital for metallurgy.
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
• Screen analysis certificates prevent powder misclaims
• Declare as 'not for direct retail' to stay raw material
• Quarantine from 6806 expanded clays in manifests