HS Code 8421.91 : Parts, Of centrifuges, including centrifugal dryers
The 6-digit Harmonized System (HS) code for parts, of centrifuges, including centrifugal dryers is 8421.91. Under the 2026 Japan (Japan Customs / 税関), the representative MFN general duty rate is Free [Japan Customs Tariff 2026].
Import Duty Rates by Destination
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MODULE 6: Mandatory Customs Entry Document Matrix
Commercial Invoice
Itemized description, currency, Incoterms, seller/buyer details, and country of origin.
Packing List & Bill of Lading
Gross/net weight, container/seal numbers, piece count, and transport B/L or Air Waybill.
Certificate of Origin (If Claiming FTA)
Required only when claiming zero-duty preference under USMCA, KORUS, or GSP.
MODULE 7: Regulatory Compliance & Partner Government Agency (PGA) Flags
MODULE 8: Japanese Trade Remedies (MOF Anti-Dumping / CVD) & Safeguards
MODULE 9: Free Trade Agreements (FTA) & Rules of Origin (RoO)
| Agreement Code | Trade Agreement / Program | Preferential Rate | Rules of Origin (RoO) Requirement |
|---|
MODULE 10: Logistics, Freight & Transport Specifications
MODULE 11: Japan Customs Advance Ruling (事前教示制度)
Legally binding tariff classification rulings issued by Japan Customs (税関), valid for 3 years for HS 8421.91.
Query the official Japan Customs Advance Ruling database:
Search Japan Customs Advance Rulings Portal for 8421.91 →Japan Customs 9-Digit Tariff Schedule Lines (8421.91)
| Commodity Code | Description | Duty Rate | Unit |
|---|---|---|---|
| Of centrifuges, including centrifugal dryers | Free | — |
MODULE 12: Candidate Subheadings & Related Codes
| Related HS Code | Heading Category | Action |
|---|---|---|
| 8421.11 | Subheading under Heading 8421 | Compare Subheading 8421.11 → |
| 8421.12 | Subheading under Heading 8421 | Compare Subheading 8421.12 → |
| 8421.19 | Subheading under Heading 8421 | Compare Subheading 8421.19 → |
| 8421.21 | Subheading under Heading 8421 | Compare Subheading 8421.21 → |
| 8421.22 | Subheading under Heading 8421 | Compare Subheading 8421.22 → |
| 8421.23 | Subheading under Heading 8421 | Compare Subheading 8421.23 → |
| 8421.29 | Subheading under Heading 8421 | Compare Subheading 8421.29 → |
| 8421.31 | Subheading under Heading 8421 | Compare Subheading 8421.31 → |
Official Primary Sources & Authority References
USITC HTS Chapter 84 Tariff Schedule (2026) ↗
Official U.S. 10-digit tariff lines and general duty rates for Parts, Of centrifuges, including centrifugal dryers.
CBP CROSS Ruling Database (8421.91) ↗
Binding customs classification precedents for Heading 8421.