HS Code | Official Doc | Tariff Rate | Origin | Destination | Effective Date |
---|---|---|---|---|---|
3913905000 | Doc | 61.5% | CN | US | 2025-05-12 |
3824405000 | Doc | 60.0% | CN | US | 2025-05-12 |
3826003000 | Doc | 61.5% | CN | US | 2025-05-12 |
3907700000 | Doc | 61.5% | CN | US | 2025-05-12 |
3824840000 | Doc | 61.5% | CN | US | 2025-05-12 |




Here is the structured classification and tariff information for the "Natural Polymer Biodegradation Additives" product, based on the provided HS codes and tax details:
✅ HS CODE: 3913905000
Product Description: Natural polymer granules or flakes, not elsewhere specified or included, for natural or modified natural polymers.
- Base Tariff Rate: 6.5%
- Additional Tariff: 25.0%
- Special Tariff after April 11, 2025: 30.0%
- Total Tax Rate: 61.5%
- Key Notes:
- This code is suitable for natural polymer raw materials in granular or flake form.
- Ensure the product is not classified under a more specific HS code.
✅ HS CODE: 3824405000
Product Description: Organic additives for cement, mortar, or concrete.
- Base Tariff Rate: 5.0%
- Additional Tariff: 25.0%
- Special Tariff after April 11, 2025: 30.0%
- Total Tax Rate: 60.0%
- Key Notes:
- This code applies to additives used in construction materials.
- Confirm the product is not a biodegradable additive or a polymer-based additive.
✅ HS CODE: 3826003000
Product Description: Additives for biodiesel to improve its performance.
- Base Tariff Rate: 6.5%
- Additional Tariff: 25.0%
- Special Tariff after April 11, 2025: 30.0%
- Total Tax Rate: 61.5%
- Key Notes:
- This code is for additives used in biodiesel.
- Ensure the product is not a polymer or biodegradable additive.
✅ HS CODE: 3907700000
Product Description: Biodegradable plastic raw materials, including primary forms of biodegradable plastics like PLA.
- Base Tariff Rate: 6.5%
- Additional Tariff: 25.0%
- Special Tariff after April 11, 2025: 30.0%
- Total Tax Rate: 61.5%
- Key Notes:
- This code is for biodegradable plastics in their raw or primary form.
- Confirm the product is not a finished product or a polymer additive.
✅ HS CODE: 3824840000
Product Description: Mixtures of natural products, not elsewhere specified or included, for chemical industry or related industries.
- Base Tariff Rate: 6.5%
- Additional Tariff: 25.0%
- Special Tariff after April 11, 2025: 30.0%
- Total Tax Rate: 61.5%
- Key Notes:
- This code is for natural product mixtures used in chemical processes.
- Ensure the product is not a polymer or biodegradable additive.
📌 Proactive Advice for Users:
- Verify Material Composition: Confirm the exact chemical or polymer composition of the product to ensure correct HS code classification.
- Check Unit Price: Tariff rates may vary based on the declared value and product category.
- Certifications Required: Some products may require environmental or safety certifications (e.g., biodegradability, REACH compliance).
- April 11, 2025 Deadline: Be aware of the additional tariffs that will apply after this date.
- Consult Customs Authority: For complex or borderline cases, seek confirmation from local customs or a customs broker.
Let me know if you need help with HS code selection or customs documentation. Here is the structured classification and tariff information for the "Natural Polymer Biodegradation Additives" product, based on the provided HS codes and tax details:
✅ HS CODE: 3913905000
Product Description: Natural polymer granules or flakes, not elsewhere specified or included, for natural or modified natural polymers.
- Base Tariff Rate: 6.5%
- Additional Tariff: 25.0%
- Special Tariff after April 11, 2025: 30.0%
- Total Tax Rate: 61.5%
- Key Notes:
- This code is suitable for natural polymer raw materials in granular or flake form.
- Ensure the product is not classified under a more specific HS code.
✅ HS CODE: 3824405000
Product Description: Organic additives for cement, mortar, or concrete.
- Base Tariff Rate: 5.0%
- Additional Tariff: 25.0%
- Special Tariff after April 11, 2025: 30.0%
- Total Tax Rate: 60.0%
- Key Notes:
- This code applies to additives used in construction materials.
- Confirm the product is not a biodegradable additive or a polymer-based additive.
✅ HS CODE: 3826003000
Product Description: Additives for biodiesel to improve its performance.
- Base Tariff Rate: 6.5%
- Additional Tariff: 25.0%
- Special Tariff after April 11, 2025: 30.0%
- Total Tax Rate: 61.5%
- Key Notes:
- This code is for additives used in biodiesel.
- Ensure the product is not a polymer or biodegradable additive.
✅ HS CODE: 3907700000
Product Description: Biodegradable plastic raw materials, including primary forms of biodegradable plastics like PLA.
- Base Tariff Rate: 6.5%
- Additional Tariff: 25.0%
- Special Tariff after April 11, 2025: 30.0%
- Total Tax Rate: 61.5%
- Key Notes:
- This code is for biodegradable plastics in their raw or primary form.
- Confirm the product is not a finished product or a polymer additive.
✅ HS CODE: 3824840000
Product Description: Mixtures of natural products, not elsewhere specified or included, for chemical industry or related industries.
- Base Tariff Rate: 6.5%
- Additional Tariff: 25.0%
- Special Tariff after April 11, 2025: 30.0%
- Total Tax Rate: 61.5%
- Key Notes:
- This code is for natural product mixtures used in chemical processes.
- Ensure the product is not a polymer or biodegradable additive.
📌 Proactive Advice for Users:
- Verify Material Composition: Confirm the exact chemical or polymer composition of the product to ensure correct HS code classification.
- Check Unit Price: Tariff rates may vary based on the declared value and product category.
- Certifications Required: Some products may require environmental or safety certifications (e.g., biodegradability, REACH compliance).
- April 11, 2025 Deadline: Be aware of the additional tariffs that will apply after this date.
- Consult Customs Authority: For complex or borderline cases, seek confirmation from local customs or a customs broker.
Let me know if you need help with HS code selection or customs documentation.
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