Refractory Fire-Clay Granules from Mexico
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 — Mexico → United States
10%
Rate breakdown
9903.05.5510%Except for products described in headings 9903.05.85–9903.05.92 and 9903.05.94, articles the product of Mexico, as provided for in U.S. note 52 to this subchapter
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