HS 390310 covers polystyrene in primary forms, predominantly expandable polystyrene (EPS), a petrochemical derivative heavily reliant on styrene monomer priced off crude oil and benzene. China, South Korea, and Taiwan dominate global supply, making country-of-origin declarations critical for anti-dumping duty exposure in the EU and US markets. Demand is closely correlated with construction starts and consumer goods packaging cycles, making the product moderately price-sensitive to both energy shocks and macroeconomic downturns.
HS Code 390310 covers Polystyrene (expandable) under the Harmonized System. It is used for customs declarations, import duty assessment, trade statistics, export documentation, and sourcing analysis.
Products classified under HS 390310 are used across Packaging, Construction insulation, Consumer goods, Automotive. Demand is driven by Construction activity, E-commerce packaging demand, Cold chain logistics growth, Consumer electronics packaging.
Major exporting countries include China, South Korea, Taiwan, Germany, United States based on recent international trade reporting.
Demand is linked to Construction activity, E-commerce packaging demand, Cold chain logistics growth, Consumer electronics packaging. Input costs are influenced by Styrene monomer.
Verify final rates with HTSUS, TARIC, CBIC India, and a licensed customs broker.
US importers of Polystyrene (expandable) must classify at the HTS10 level. Additional measures such as Section 232, Section 301, ADD/CVD, or Chapter 99 provisions may apply depending on the exact classification and origin.
EU importers classify Polystyrene (expandable) at TARIC10 level. Preferential treatment may apply where rules of origin are satisfied under EU trade agreements. Intra-EU trade is duty-free.
India assesses Polystyrene (expandable) at the HS8 level under the CBIC Customs Tariff. The applicable duty framework is: BCD 7.50% + SWS 0.75% + IGST 18% = 27.80% effective gross rate. IGST is generally recoverable for registered B2B importers via GST filing.
Based on recent international trade data, the leading exporting countries for Polystyrene (expandable) are:
These corridors show where trade activity is concentrated. Buyers use this signal to identify supplier depth, established logistics lanes, and alternative sourcing markets.
| HS Code | 390310 |
| Product | Polystyrene (expandable) |
| Chapter | 39 — Plastics & Polymers |
| Major exporting countries | China, South Korea, Taiwan, Germany, United States |
| Primary industries | Packaging, Construction insulation, Consumer goods, Automotive |
| Trade year | Latest available |
| US duty framework | HTS10 classification dependent |
| EU duty framework | TARIC10 classification dependent |
| India BCD | 7.50% BCD |
Logitality sourcing intelligence for HS 390310 combines global trade corridors, tariff data, commodity cost signals, FX movement, and supplier-country analysis to compare origins by estimated landed cost.
Compare supplier countries for HS 390310 by full duty stack and landed cost.
Run sourcing intelligence →Read the detailed sourcing guide for HS 390310 Polystyrene (expandable), including supplier-country analysis, trade-flow context, and procurement considerations.
HS 390310 Expandable Polystyrene: Sourcing, Duties & Price Outlook 2025 →
HS Code 390310 covers Polystyrene (expandable) and is used for customs declarations, trade statistics, import duty assessment, and sourcing analysis.
Duty varies by destination and classification. US: HTS10 classification dependent. EU: TARIC10 classification dependent. India: 7.50% BCD.
Major exporting countries include China, South Korea, Taiwan, Germany, United States, based on recent trade reporting.