Potassium Perchlorate Powder from Japan
Fine potassium perchlorate (KClO4) powder, a strong oxidizer used in fireworks, airbag inflators, and flash powders. Classified under HTS 2829.90.40.00 specifically for perchlorates of potassium per Chapter 28 notes.
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
• Classify as UN1489 hazardous material; use DOT-approved drums or bags for transport
• Include end-use statement to CBP to prevent diversion to unregulated pyrotechnics
• Test for heavy metal impurities to confirm 'chemically defined' status per Chapter 28 Note 1