Pitch Impregnated Magnesia Carbon Plugs from Mexico
Porous plugs for steel ladle bottom argon stirring, with 71% MgO, 25% carbon, pitch-bonded and impregnated for durability. Improves steel homogeneity. Classified under HTS 6815.99.41.10 matching composition specs.
Duty Rate — Mexico → United States
10%
Rate breakdown
9903.05.5510%Section 301 (forced labor) — additional 10% ad valorem on products of Mexico
Import Tips
• Document impregnation process; distinguishes from standard bricks
• Ensure plugs marked with dimensions/weight for valuation
• Avoid mixing with Chapter 69 fired goods in same container