HS Code 3903.19 : Polymers of styrene, in primary forms, Polystyrene, Other
The 6-digit Harmonized System (HS) code for polymers of styrene, in primary forms, polystyrene, other is 3903.19. Under the 2026 United Kingdom (UKGT), the representative MFN general duty rate is 6.00 % [HMRC Trade Tariff 2026].
Import Duty Rates by Destination
MODULE 5: UK IMPORT DUTY & VAT BREAKDOWN
Get Real-Time Tariff & Trade Remedy Change Alerts for HS 3903.19
Receive an automated email notification whenever HMRC publishes duty rate adjustments or customs notices for 3903.19.
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: UK Trade Remedies (TRA) & Safeguards
MODULE 9: Free Trade Agreements (FTA) & Rules of Origin (RoO)
| Agreement Code | Trade Agreement / Program | Preferential Rate | Rules of Origin (RoO) Requirement |
|---|---|---|---|
| TCA | UK-EU Trade and Cooperation Agreement | Free | Must satisfy UK-EU Statement on Origin and product-specific rules. |
| AUS | UK-Australia Free Trade Agreement | Free | Direct origin proof or tariff shift requirement. |
| CPTPP | Comprehensive and Progressive Agreement for Trans-Pacific Partnership | Free | CPTPP Certificate of Origin and regional value content rule. |
MODULE 10: Logistics, Freight & Transport Specifications
MODULE 11: UK Advanced Tariff Rulings (ATaR)
Legally binding classification rulings issued by HM Revenue & Customs (HMRC) for HS 3903.19.
Query the official HMRC Advanced Tariff Rulings (ATaR) database:
Search HMRC Trade Tariff Database for 3903.19 →UKGT Declarable Commodity Lines (3903.19)
| HTS Code | Description | General Rate | Special (FTA) Rate | Column 2 Rate | Unit |
|---|---|---|---|---|---|
| 3903.19.00.00 | Polymers of styrene, in primary forms, Polystyrene, Other | 6.5% | Free (A,AU,BH,CL,CO,D,E,IL,JO,KR,MA,OM,P,PA,PE,S,SG) | 15.4¢/kg + 46% | kg |
MODULE 12: Candidate Subheadings & Related Codes
| Related HS Code | Heading Category | Action |
|---|---|---|
| 3903.11 | Subheading under Heading 3903 | Compare Subheading 3903.11 → |
| 3903.20 | Subheading under Heading 3903 | Compare Subheading 3903.20 → |
| 3903.30 | Subheading under Heading 3903 | Compare Subheading 3903.30 → |
| 3903.90 | Subheading under Heading 3903 | Compare Subheading 3903.90 → |
Official Primary Sources & Authority References
HMRC Trade Tariff Service (UKGT 2026) ↗
Official UK 10-digit commodity codes and UKGT MFN duty rates.
HM Revenue & Customs (HMRC) Customs Declarations ↗
UK customs entry guidance and CDS procedures.