9404.21.00—Of cellular rubber or plastics, whether or not covered
General duty rate
3%
Across 3 10-digit lines
Coverage on this page
Plain-English explanation
HTS 9404.21.00 is an 8-digit tariff item of the U.S. Harmonized Tariff Schedule covering Of cellular rubber or plastics, whether or not covered. It sits in Chapter 94: Furniture; bedding, mattresses, mattress supports, cushions and similar stuffed furnishings; lamps and lighting fittings, not elsewhere specified or included; illuminated signs, illuminated nameplates and the like; prefabricated buildings, Section XX: Miscellaneous Manufactured Articles and rolls up 3 10-digit statistical lines, all with a general duty rate of 3%. 22 AD/CVD orders flag at least one child line.
10-digit lines under 9404.21.00(3)
Pick a line to view full rate detail and compute landed duty
AD/CVD orders(22)
Antidumping or countervailing orders covering one or more lines under 9404.21.00
Frequently asked questions
What does HTS 9404.21.00 cover?
HTS 9404.21.00 is an 8-digit tariff item of the U.S. Harmonized Tariff Schedule covering Of cellular rubber or plastics, whether or not covered. It belongs to Chapter 94 and rolls up 3 10-digit statistical lines that brokers actually file at entry.
What is the duty rate for HTS 9404.21.00?
Every 10-digit line under HTS 9404.21.00 carries a general (Column 1) duty rate of 3%. Section 301, Section 232, and AD/CVD overlays may stack on top of this rate at the per-line level — open a specific 10-digit code to see its complete tariff stack.
How do I find the right 10-digit line under HTS 9404.21.00?
U.S. Customs requires entries to be filed at the 10-digit statistical level — the broader tariff item HTS 9404.21.00 is not directly fileable. Match your product description to the most specific 10-digit line in the list on this page; if multiple lines could apply, the General Rules of Interpretation (GRIs) and chapter notes determine which one governs.
Are there AD/CVD orders affecting HTS 9404.21.00?
Learn more
Tandom guides relevant to this code
Trade compliance APIs in broker workflows
Where trade compliance APIs fit in a broker's filing pipeline: HTS classification, duty calculation, AD/CVD scope match, and post-summary corrections.
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Determine if a product is in scope of an AD/CVD order
Scope text is authoritative; the HTS list is illustrative. Read scope, find past rulings, and file a 19 CFR 351.225 inquiry. Worked example on case A-570-106 (wooden cabinets from China).
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