HS Code | Official Doc | Tariff Rate | Origin | Destination | Effective Date |
---|---|---|---|---|---|
3902205000 | Doc | 61.5% | CN | US | 2025-05-12 |
3902900010 | Doc | 61.5% | CN | US | 2025-05-12 |
3903190000 | Doc | 61.5% | CN | US | 2025-05-12 |
3905300000 | Doc | 58.2% | CN | US | 2025-05-12 |
3907912000 | Doc | 55.0% | CN | US | 2025-05-12 |




Product Name: Industrial Grade Polyisobutylene
Classification: Based on the provided HS codes and summaries, the most relevant classification for Industrial Grade Polyisobutylene is likely HS CODE: 3902205000 ("Polyisobutylene, medical grade raw material"). However, since the product is industrial grade, not medical grade, we must consider the most appropriate HS code for industrial-grade polyisobutylene.
✅ HS CODE: 3902205000
Description: Polyisobutylene, medical grade raw material
Total Tax Rate: 61.5%
Tax Breakdown:
- Base Tariff Rate: 6.5%
- Additional Tariff: 25.0%
- Special Tariff after April 11, 2025: 30.0%
- Anti-dumping duties on iron and aluminum: Not applicable (not relevant for this product)
⚠️ Important Notes:
- Product Classification Alert:
- The HS code 3902205000 is for medical-grade polyisobutylene. If your product is industrial-grade, it may be misclassified.
-
You should verify the exact product specification (e.g., intended use, purity, and technical data sheet) to ensure correct classification.
-
Tariff Changes After April 11, 2025:
-
A 30.0% additional tariff will be imposed on this product after April 11, 2025. This is a time-sensitive policy and will significantly increase the total tax burden.
-
Certifications Required:
- Ensure that the product has the necessary technical specifications and certifications (e.g., material safety data sheet, purity level, and application details) to support the classification.
📌 Proactive Advice:
- Verify Material and Unit Price:
-
Confirm the exact chemical composition and intended use of the polyisobutylene to ensure it is correctly classified under the appropriate HS code (e.g., 3902205000 for medical-grade or possibly 3902900010 for industrial-grade polybutene).
-
Check for Alternative HS Codes:
-
If the product is not medical-grade, consider HS CODE: 3902900010 ("Polybutene resin, industrial grade raw material") as a possible alternative.
-
Consult Customs Authority:
- For high-value or complex products, it is advisable to consult with customs authorities or a qualified customs broker to avoid misclassification and potential penalties.
📊 Summary Table:
HS CODE | Description | Total Tax Rate | Base Tariff | Additional Tariff | Special Tariff (after 2025.4.11) |
---|---|---|---|---|---|
3902205000 | Polyisobutylene, medical grade | 61.5% | 6.5% | 25.0% | 30.0% |
3902900010 | Polybutene resin, industrial grade | 61.5% | 6.5% | 25.0% | 30.0% |
3903190000 | Industrial grade polystyrene granules | 61.5% | 6.5% | 25.0% | 30.0% |
3905300000 | Industrial grade polyvinyl alcohol | 58.2% | 3.2% | 25.0% | 30.0% |
3907912000 | Industrial grade polyacrylate | 55.0% | 0.0% | 25.0% | 30.0% |
If you provide more details about the exact chemical structure, application, and technical data, I can help you further refine the HS code and tax implications.
Product Name: Industrial Grade Polyisobutylene
Classification: Based on the provided HS codes and summaries, the most relevant classification for Industrial Grade Polyisobutylene is likely HS CODE: 3902205000 ("Polyisobutylene, medical grade raw material"). However, since the product is industrial grade, not medical grade, we must consider the most appropriate HS code for industrial-grade polyisobutylene.
✅ HS CODE: 3902205000
Description: Polyisobutylene, medical grade raw material
Total Tax Rate: 61.5%
Tax Breakdown:
- Base Tariff Rate: 6.5%
- Additional Tariff: 25.0%
- Special Tariff after April 11, 2025: 30.0%
- Anti-dumping duties on iron and aluminum: Not applicable (not relevant for this product)
⚠️ Important Notes:
- Product Classification Alert:
- The HS code 3902205000 is for medical-grade polyisobutylene. If your product is industrial-grade, it may be misclassified.
-
You should verify the exact product specification (e.g., intended use, purity, and technical data sheet) to ensure correct classification.
-
Tariff Changes After April 11, 2025:
-
A 30.0% additional tariff will be imposed on this product after April 11, 2025. This is a time-sensitive policy and will significantly increase the total tax burden.
-
Certifications Required:
- Ensure that the product has the necessary technical specifications and certifications (e.g., material safety data sheet, purity level, and application details) to support the classification.
📌 Proactive Advice:
- Verify Material and Unit Price:
-
Confirm the exact chemical composition and intended use of the polyisobutylene to ensure it is correctly classified under the appropriate HS code (e.g., 3902205000 for medical-grade or possibly 3902900010 for industrial-grade polybutene).
-
Check for Alternative HS Codes:
-
If the product is not medical-grade, consider HS CODE: 3902900010 ("Polybutene resin, industrial grade raw material") as a possible alternative.
-
Consult Customs Authority:
- For high-value or complex products, it is advisable to consult with customs authorities or a qualified customs broker to avoid misclassification and potential penalties.
📊 Summary Table:
HS CODE | Description | Total Tax Rate | Base Tariff | Additional Tariff | Special Tariff (after 2025.4.11) |
---|---|---|---|---|---|
3902205000 | Polyisobutylene, medical grade | 61.5% | 6.5% | 25.0% | 30.0% |
3902900010 | Polybutene resin, industrial grade | 61.5% | 6.5% | 25.0% | 30.0% |
3903190000 | Industrial grade polystyrene granules | 61.5% | 6.5% | 25.0% | 30.0% |
3905300000 | Industrial grade polyvinyl alcohol | 58.2% | 3.2% | 25.0% | 30.0% |
3907912000 | Industrial grade polyacrylate | 55.0% | 0.0% | 25.0% | 30.0% |
If you provide more details about the exact chemical structure, application, and technical data, I can help you further refine the HS code and tax implications.
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