HS Code | Official Doc | Tariff Rate | Origin | Destination | Effective Date |
---|---|---|---|---|---|
3809935000 | Doc | 61.0% | CN | US | 2025-05-12 |
3809910000 | Doc | 61.0% | CN | US | 2025-05-12 |
3815905000 | Doc | 60.0% | CN | US | 2025-05-12 |
3812105000 | Doc | 60.0% | CN | US | 2025-05-12 |
3812105000 | Doc | 60.0% | CN | US | 2025-05-12 |




Product Name: Polyisobutylene Leather Auxiliary
Classification HS Code Analysis:
Below are the HS codes and corresponding tariff details for the declared product, "Polyisobutylene Leather Auxiliary," based on your input:
✅ HS CODE: 3809935000
Description: Other products for the leather industry, including leather adhesive auxiliaries
Total Tax Rate: 61.0%
- Base Tariff: 6.0%
- Additional Tariff: 25.0%
- Special Tariff after April 11, 2025: 30.0%
- Note: This code is most relevant if the product is primarily used as a leather adhesive auxiliary.
✅ HS CODE: 3809910000
Description: Products and preparations used to accelerate dyeing or fixation, and other products used in textile, paper, and leather industries
Total Tax Rate: 61.0%
- Base Tariff: 6.0%
- Additional Tariff: 25.0%
- Special Tariff after April 11, 2025: 30.0%
- Note: This code may apply if the product is used for dyeing or fixing in the leather industry.
✅ HS CODE: 3815905000
Description: Chemicals used in the rubber industry
Total Tax Rate: 60.0%
- Base Tariff: 5.0%
- Additional Tariff: 25.0%
- Special Tariff after April 11, 2025: 30.0%
- Note: This code is more relevant for rubber industry chemicals, not directly for leather auxiliaries.
✅ HS CODE: 3812105000 (Repeated)
Description: Prepared rubber accelerators; composite plasticizers not otherwise specified; antioxidant preparations and other composite stabilizers for rubber or plastic
Total Tax Rate: 60.0%
- Base Tariff: 5.0%
- Additional Tariff: 25.0%
- Special Tariff after April 11, 2025: 30.0%
- Note: This code is for rubber additives, not directly for leather auxiliaries.
🔍 Recommendation for Classification:
- Preferred HS Code: 3809935000
- Most accurate for leather auxiliary products, especially if the product is used as a leather adhesive or processing aid.
- Alternative: 3809910000 if the product is used for dyeing or fixing in the leather industry.
⚠️ Important Notes:
- April 11, 2025 Special Tariff: A 30.0% additional tariff will be imposed after this date. Ensure your customs declaration includes this in cost calculations.
- Anti-dumping duties: Not currently applicable for this product category.
- Certifications: Verify if any product certifications (e.g., REACH, RoHS, or industry-specific approvals) are required for import.
- Material Verification: Confirm the exact chemical composition and intended use of the product to ensure correct classification.
📌 Action Steps:
- Confirm the exact function of the product (e.g., adhesive, dye fixative, etc.).
- Verify the chemical composition and intended use in the leather industry.
- Check if certifications are required for import.
- Calculate total import costs, including the 30.0% special tariff after April 11, 2025.
- Consult with a customs broker or classification expert if the product is borderline between categories.
Let me know if you need help with certification requirements or customs documentation.
Product Name: Polyisobutylene Leather Auxiliary
Classification HS Code Analysis:
Below are the HS codes and corresponding tariff details for the declared product, "Polyisobutylene Leather Auxiliary," based on your input:
✅ HS CODE: 3809935000
Description: Other products for the leather industry, including leather adhesive auxiliaries
Total Tax Rate: 61.0%
- Base Tariff: 6.0%
- Additional Tariff: 25.0%
- Special Tariff after April 11, 2025: 30.0%
- Note: This code is most relevant if the product is primarily used as a leather adhesive auxiliary.
✅ HS CODE: 3809910000
Description: Products and preparations used to accelerate dyeing or fixation, and other products used in textile, paper, and leather industries
Total Tax Rate: 61.0%
- Base Tariff: 6.0%
- Additional Tariff: 25.0%
- Special Tariff after April 11, 2025: 30.0%
- Note: This code may apply if the product is used for dyeing or fixing in the leather industry.
✅ HS CODE: 3815905000
Description: Chemicals used in the rubber industry
Total Tax Rate: 60.0%
- Base Tariff: 5.0%
- Additional Tariff: 25.0%
- Special Tariff after April 11, 2025: 30.0%
- Note: This code is more relevant for rubber industry chemicals, not directly for leather auxiliaries.
✅ HS CODE: 3812105000 (Repeated)
Description: Prepared rubber accelerators; composite plasticizers not otherwise specified; antioxidant preparations and other composite stabilizers for rubber or plastic
Total Tax Rate: 60.0%
- Base Tariff: 5.0%
- Additional Tariff: 25.0%
- Special Tariff after April 11, 2025: 30.0%
- Note: This code is for rubber additives, not directly for leather auxiliaries.
🔍 Recommendation for Classification:
- Preferred HS Code: 3809935000
- Most accurate for leather auxiliary products, especially if the product is used as a leather adhesive or processing aid.
- Alternative: 3809910000 if the product is used for dyeing or fixing in the leather industry.
⚠️ Important Notes:
- April 11, 2025 Special Tariff: A 30.0% additional tariff will be imposed after this date. Ensure your customs declaration includes this in cost calculations.
- Anti-dumping duties: Not currently applicable for this product category.
- Certifications: Verify if any product certifications (e.g., REACH, RoHS, or industry-specific approvals) are required for import.
- Material Verification: Confirm the exact chemical composition and intended use of the product to ensure correct classification.
📌 Action Steps:
- Confirm the exact function of the product (e.g., adhesive, dye fixative, etc.).
- Verify the chemical composition and intended use in the leather industry.
- Check if certifications are required for import.
- Calculate total import costs, including the 30.0% special tariff after April 11, 2025.
- Consult with a customs broker or classification expert if the product is borderline between categories.
Let me know if you need help with certification requirements or customs documentation.
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