Plastic Fire-Clay Mass from China
Plastic fire-clay mass is wet-mixed fire-clay for ramming into furnace shapes before firing. It is under HTS 2508.30.00.00 as unprocessed fire-clay, suitable for on-site refractory work. Used in steel ladles and incinerators.
Duty Rate — China → United States
12.5%
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
Import Tips
• Specify water content <25% to remain as clay, not paste/slurry
• Ship in sealed drums to maintain plasticity and avoid drying claims
• Label 'for refractory use only' to prevent end-use misclassification