Resin-Bonded Magnesia Carbon Ramming Mix from China
Pre-formed ramming mix articles with >70% magnesia, trace-28% carbon, resin-bonded for repairing furnace linings on-site. Used in steel plants for quick hot repairs. Classified in HTS 6815.99.41.10 as other resin/pitch-bonded magnesia-carbon articles.
Duty Rate — China → United States
37.5%
Rate breakdown
9903.05.3112.5%Except for products described in headings 9903.05.85–9903.05.92, articles the product of China, as provided for in U.S. note 52 to this subchapter
9903.88.0325%Except as provided in headings 9903.88.13, 9903.88.18, 9903.88.33, 9903.88.34, 9903.88.35, 9903.88.36, 9903.88.37, 9903.88.38, 9903.88.40, 9903.88.41, 9903.88.43, 9903.88.45, 9903.88.46, 9903.88.48, 9903.88.56, 9903.88.64, 9903.88.66, 9903.88.67, 9903.88.68, or 9903.88.69, articles the product of China, as provided for in U.S. note 20(e) to this subchapter and as provided for in the subheadings enumerated in U.S. note 20(f)
Import Tips
• Classify as 'articles' only if pre-shaped; loose mixes go to 3824—include photos/dimensions
• Certify carbon content via spectrometry; trace amounts still qualify if <30%
• Palletize securely; vibration can alter composition during transit