HS Code | Official Doc | Tariff Rate | Origin | Destination | Effective Date |
---|---|---|---|---|---|
3903190000 | Doc | 61.5% | CN | US | 2025-05-12 |
3903905000 | Doc | 61.5% | CN | US | 2025-05-12 |
3911100000 | Doc | 61.1% | CN | US | 2025-05-12 |
3911909110 | Doc | 61.5% | CN | US | 2025-05-12 |
3907690050 | Doc | 61.5% | CN | US | 2025-05-12 |




Product Name: High Molecular Weight Polystyrene Resin
Classification: Based on the provided data, the most likely HS code for High Molecular Weight Polystyrene Resin is 3903190000 or 3903905000, both of which are under the 3903 chapter for Polymers of styrene.
✅ HS CODE: 3903190000
Description: Polymers of styrene, of high molecular weight, in primary forms.
🔍 Tariff Breakdown (as of now):
- Base Tariff Rate: 6.5%
- Additional Tariff (General): 25.0%
- Special Tariff (April 11, 2025 onwards): 30.0%
- Total Tariff Rate: 61.5%
⏱️ Time-Sensitive Policy Alert:
- April 11, 2025 Special Tariff:
A 30.0% additional tariff will be imposed after April 11, 2025. This is a significant increase and will affect the total import cost.
📌 Proactive Advice:
- Verify Material Specifications: Ensure the product is indeed polystyrene resin and not a composite or modified version, which may fall under a different HS code.
- Check Unit Price and Packaging: Tariff rates can vary based on the form (e.g., pellets, powder, sheets) and whether it's a finished product or raw material.
- Certifications Required: Confirm if any customs documentation, product certifications, or origin declarations are needed for compliance.
- Monitor Policy Updates: Stay informed about any changes in tariff schedules or trade agreements that may affect this product.
📌 Alternative HS Codes (for reference):
- 3903905000 – Polymers of styrene, primary forms (similar classification, same tariff rates).
- 3911100000 – Polysulfone resins (not applicable for polystyrene).
- 3911909110 – Polymers of polyterpenes (not applicable).
- 3907690050 – Acrylic resins (not applicable for polystyrene).
📌 Conclusion:
For High Molecular Weight Polystyrene Resin, the most accurate HS code is 3903190000, with a total import tariff of 61.5%, including a 30.0% additional tariff after April 11, 2025. Please ensure proper classification and documentation to avoid delays or penalties at customs.
Product Name: High Molecular Weight Polystyrene Resin
Classification: Based on the provided data, the most likely HS code for High Molecular Weight Polystyrene Resin is 3903190000 or 3903905000, both of which are under the 3903 chapter for Polymers of styrene.
✅ HS CODE: 3903190000
Description: Polymers of styrene, of high molecular weight, in primary forms.
🔍 Tariff Breakdown (as of now):
- Base Tariff Rate: 6.5%
- Additional Tariff (General): 25.0%
- Special Tariff (April 11, 2025 onwards): 30.0%
- Total Tariff Rate: 61.5%
⏱️ Time-Sensitive Policy Alert:
- April 11, 2025 Special Tariff:
A 30.0% additional tariff will be imposed after April 11, 2025. This is a significant increase and will affect the total import cost.
📌 Proactive Advice:
- Verify Material Specifications: Ensure the product is indeed polystyrene resin and not a composite or modified version, which may fall under a different HS code.
- Check Unit Price and Packaging: Tariff rates can vary based on the form (e.g., pellets, powder, sheets) and whether it's a finished product or raw material.
- Certifications Required: Confirm if any customs documentation, product certifications, or origin declarations are needed for compliance.
- Monitor Policy Updates: Stay informed about any changes in tariff schedules or trade agreements that may affect this product.
📌 Alternative HS Codes (for reference):
- 3903905000 – Polymers of styrene, primary forms (similar classification, same tariff rates).
- 3911100000 – Polysulfone resins (not applicable for polystyrene).
- 3911909110 – Polymers of polyterpenes (not applicable).
- 3907690050 – Acrylic resins (not applicable for polystyrene).
📌 Conclusion:
For High Molecular Weight Polystyrene Resin, the most accurate HS code is 3903190000, with a total import tariff of 61.5%, including a 30.0% additional tariff after April 11, 2025. Please ensure proper classification and documentation to avoid delays or penalties at customs.
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