Ceramic Bone Black Staining Powder from Mexico
Bone black calcined to 1400°C for underglaze black stains in ceramic tile production, providing durable color at high firing temperatures. Classified HTS 3802.90.1000 as bone black pigment for ceramics. High purity minimizes firing defects.
Duty Rate — Mexico → United States
15.8%
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
• Certify vitrification temperature (>1200°C) and thermal expansion compatibility
• Package in moisture-proof bags (<0.5% moisture) to prevent clumping