Industrial Retort Carbon from China
Industrial retort carbon is specialized high-fixed-carbon material from coal retorts for silicon carbide production. Covered by HTS 2704.00.00.50 explicitly as retort carbon, 'other'.
Duty Rate — China → United States
0%
Rate breakdown
9903.05.860%Universal product exemption (U.S. note 52(b))
Import Tips
• Supply fixed carbon percentage (>85%) via ASTM tests for verification
• Declare industrial end-use to avoid consumer product scrutiny
• Use anti-static packaging for fine powders