What is HS code 9404.21?

HS code 9404.21 covers: Of cellular rubber or plastics, whether or not covered. It belongs to chapter 94 (Furniture; bedding; lamps; prefabricated buildings) of the Harmonized System.

What is the US import duty for HS code 9404.21?

The US general (normal trade relations) rate is: 3%. Preference programs and Section 232/301 surcharges can change the effective rate; see the HTS lines for detail.

What is the UK commodity code for 9404.21?

The UK extends 9404.21 to 3 declarable 10-digit commodity codes, starting with 9404210000. The full code goes on the UK customs declaration.

Chapter 94 · Furniture; bedding; lamps; prefabricated buildings · Section 20

HS Code 9404.21

Of cellular rubber or plastics, whether or not covered

Heading 9404: Mattress supports; articles of bedding and similar furnishing (for example, mattresses, quilts, eiderdowns, cushions, pouffes and pillows) fitted with springs or stuffed or internally fitted with any material or of cellular rubber or plastics, whether or not covered

US duty (general)

US HTS lines

EU CN codes

UK commodity codes

Unit

No.

US HTS + UK Tariff v4.0.1596 · updated 2026-09-10 · sources

United States - HTS lines under 9404.21

Source: official Harmonized Tariff Schedule (USITC). "General" is the normal-trade-relations rate; "Special" lists preference programs; "Other" is the column-2 rate. Additional Section 232/301 duties may apply on top.

HTS code	Description	General	Special	Other	Unit
9404.21.00	Of cellular rubber or plastics, whether or not covered 3 statistical lines (10-digit) 9404.21.00.10 - For use in a crib or toddler bed 9404.21.00.13 - Of a width exceeding 91 cm, of a length exceeding 184 cm, and a depth exceeding 8 cm 9404.21.00.95 - Other	3%	Free (A*,AU,BH,CL,CO,D,E,IL,JO,KR,MA,OM,P,PA,PE,S,SG)	40%	No.

Estimate the US duty runs in your browser · no caps

Enter the customs value (and quantity, when a rate is per-unit) to estimate the general-rate duty per HTS line. Estimates exclude Section 232/301 surcharges, MPF/HMF and fees. Not a customs ruling.

Customs value (USD) Quantity (No.)

European Union - CN codes under 9404.21

Source: EU Combined Nomenclature (Eurostat, © European Union, reused per Decision 2011/833/EU). Duty rates and measures live in TARIC; each code links to the official consultation.

CN code	Description
9404 21 90	Of plastics	EU duty (TARIC) →
9404 21 10	Of rubber	EU duty (TARIC) →
9404 21 00	Of cellular rubber or plastics, whether or not covered	EU duty (TARIC) →

United Kingdom - commodity codes under 9404.21

Source: UK Integrated Online Tariff (Open Government Licence v3.0). Declarable 10-digit codes go on the customs declaration; check the official page for the current duty and VAT measures.

Commodity code	Description
9404 21 00 00	Of cellular rubber or plastics, whether or not covered	UK duty & VAT →
9404 21 10 00	Of rubber	UK duty & VAT →
9404 21 90 00	Of plastics	UK duty & VAT →

Not a customs ruling. Classification is determined by the importing country's customs authority and depends on the exact product. This page is reference information from official published schedules, not legal advice. For a binding decision, request a ruling (US: CBP CROSS · UK: HMRC ATaR · EU: BTI).

Other subheadings in 9404

9404.00 9404 Mattress supports; articles of bedding and similar furnishing (for example, mattresse 9404.10 Mattress supports 9404.21 Of cellular rubber or plastics, whether or not covered 9404.29 Of other materials 9404.30 Sleeping bags 9404.40 Quilts, bedspreads, eiderdowns and duvets (comforters) 9404.90 Other

Sources: U.S. International Trade Commission, Harmonized Tariff Schedule (public domain) · EU Combined Nomenclature © European Union, Eurostat (Decision 2011/833/EU) · UK Integrated Online Tariff, contains public sector information licensed under the Open Government Licence v3.0. Data refreshed weekly. Details on About & Data Sources.