Impregnated Coconut Shell Activated Carbon from Japan
Coconut shell activated carbon impregnated with potassium iodide for mercury vapor control. Though impregnated, base classification remains HTS 3802.90.50.00 as activated carbon if impregnant is minor. Used in industrial flue gas systems.
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
• Disclose impregnant percentage; over 10-20% may reclassify to 3824 mixtures
• EPA TSCA reporting required for certain impregnants like silver or copper
• Specify end-use in invoice to prevent generic chemical classification