Carbon Paste for Silicon Carbide Production from Japan
Paste formulation of artificial graphite powder and phenolic resin used in Acheson furnace process for synthetic silicon carbide manufacture. HTS 3801.90.0050 classification as graphite-based paste semi-manufacture. Essential charge material for abrasive production.
Duty Rate — Japan → United States
12.5%
Rate breakdown
9903.05.4912.5%Section 301 (forced labor) — Japan (col1 rate < 12.5 percent): MFN < 12.5% → total duty capped at 12.5%
Import Tips
• Include furnace process specifications confirming paste end-use; prevents chemical mixture classification
• Phenol-formaldehyde resin content requires VOC emissions documentation for certain ports
• Test for free crystalline silica <1% to avoid respirable dust hazmat requirements