HS Code | Official Doc | Tariff Rate | Origin | Destination | Effective Date |
---|---|---|---|---|---|
3903190000 | Doc | 61.5% | CN | US | 2025-05-12 |
3911902500 | Doc | 61.1% | CN | US | 2025-05-12 |
3911902500 | Doc | 61.1% | CN | US | 2025-05-12 |
3911902500 | Doc | 61.1% | CN | US | 2025-05-12 |
3911902500 | Doc | 61.1% | CN | US | 2025-05-12 |




Product Name: Modified Flame Retardant Polystyrene Resin
Classification Analysis and Tax Information:
- HS CODE: 3903190000
- Description: Polystyrene modified resin belongs to the primary form of styrene polymers, which aligns with the description under HS code 3903.
- Total Tax Rate: 61.5%
- Base Tariff Rate: 6.5%
- Additional Tariff: 25.0%
- Special Tariff after April 11, 2025: 30.0%
-
Note: This is the most accurate classification for modified polystyrene resin, especially if it is in its primary form and not further processed.
-
Alternative HS CODEs (for reference):
- 3911902500 (multiple entries)
- Description: Modified polystyrene resin is classified under this code if it is considered a petroleum resin or contains aromatic monomer units and is a thermoplastic material.
- Total Tax Rate: 61.1%
- Base Tariff Rate: 6.1%
- Additional Tariff: 25.0%
- Special Tariff after April 11, 2025: 30.0%
- Note: This code may apply if the product is classified as a modified resin with aromatic components, but it is less specific than 3903190000 for polystyrene-based resins.
✅ Key Tax Rate Changes (April 11, 2025 onwards):
- All listed HS codes will have an additional 30.0% tariff applied.
- This is a time-sensitive policy, so ensure your customs declarations are updated accordingly.
⚠️ Proactive Advice:
- Verify Material Composition: Confirm whether the product is in its primary form (e.g., polystyrene resin) or modified with other components (e.g., flame retardants, aromatic units).
- Check Unit Price and Certification: Ensure that the product is not classified under a higher tariff category due to additional processing or additives.
- Consult with Customs Authority: If the product contains flame retardants or other additives, it may fall under a different classification or require specific documentation.
📌 Recommendation:
- Preferred HS Code: 3903190000 (for modified polystyrene resin in primary form)
- Alternative Options: 3911902500 (if the product contains aromatic or modified aromatic units and is classified as a thermoplastic resin)
Let me know if you need help with customs documentation or further classification clarification.
Product Name: Modified Flame Retardant Polystyrene Resin
Classification Analysis and Tax Information:
- HS CODE: 3903190000
- Description: Polystyrene modified resin belongs to the primary form of styrene polymers, which aligns with the description under HS code 3903.
- Total Tax Rate: 61.5%
- Base Tariff Rate: 6.5%
- Additional Tariff: 25.0%
- Special Tariff after April 11, 2025: 30.0%
-
Note: This is the most accurate classification for modified polystyrene resin, especially if it is in its primary form and not further processed.
-
Alternative HS CODEs (for reference):
- 3911902500 (multiple entries)
- Description: Modified polystyrene resin is classified under this code if it is considered a petroleum resin or contains aromatic monomer units and is a thermoplastic material.
- Total Tax Rate: 61.1%
- Base Tariff Rate: 6.1%
- Additional Tariff: 25.0%
- Special Tariff after April 11, 2025: 30.0%
- Note: This code may apply if the product is classified as a modified resin with aromatic components, but it is less specific than 3903190000 for polystyrene-based resins.
✅ Key Tax Rate Changes (April 11, 2025 onwards):
- All listed HS codes will have an additional 30.0% tariff applied.
- This is a time-sensitive policy, so ensure your customs declarations are updated accordingly.
⚠️ Proactive Advice:
- Verify Material Composition: Confirm whether the product is in its primary form (e.g., polystyrene resin) or modified with other components (e.g., flame retardants, aromatic units).
- Check Unit Price and Certification: Ensure that the product is not classified under a higher tariff category due to additional processing or additives.
- Consult with Customs Authority: If the product contains flame retardants or other additives, it may fall under a different classification or require specific documentation.
📌 Recommendation:
- Preferred HS Code: 3903190000 (for modified polystyrene resin in primary form)
- Alternative Options: 3911902500 (if the product contains aromatic or modified aromatic units and is classified as a thermoplastic resin)
Let me know if you need help with customs documentation or further classification clarification.
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