HS Code | Official Doc | Tariff Rate | Origin | Destination | Effective Date |
---|---|---|---|---|---|
3913100000 | Doc | 41.7% | CN | US | 2025-05-12 |
3913902090 | Doc | 60.8% | CN | US | 2025-05-12 |




Product Name: Modified Alginate
Classification: HS Code 3913.10.00.00 or 3913.90.20.90
🔍 HS Code Classification and Tax Details
- HS Code 3913.10.00.00
- Description: Modified Alginate is a modified form of alginate, which aligns with the classification under HS code 3913.10.00.00.
-
Total Tax Rate: 41.7%
- Base Tariff Rate: 4.2%
- Additional Tariff: 7.5%
- Special Tariff after April 11, 2025: 30.0%
-
HS Code 3913.90.20.90
- Description: Modified Alginate is classified as a modified derivative of natural polymers, which fits under HS code 3913.90.20.90.
- Total Tax Rate: 60.8%
- Base Tariff Rate: 5.8%
- Additional Tariff: 25.0%
- Special Tariff after April 11, 2025: 30.0%
⚠️ Important Notes on Tariff Changes
-
April 11, 2025 Special Tariff:
A 30.0% additional tariff will be imposed on both HS codes after April 11, 2025. This is a time-sensitive policy and must be considered in cost planning. -
Anti-dumping duties:
No specific anti-dumping duties for iron or aluminum are currently applicable to modified alginate. However, always verify with the latest customs updates.
📌 Proactive Advice for Importers
- Verify Material Specifications: Ensure the product is indeed a modified alginate and not a different chemical derivative, as this can affect HS code classification.
- Check Unit Price and Certification: Confirm the unit price and whether any certifications (e.g., food-grade, medical-grade) are required for import.
- Consult Customs Authority: For high-value or complex shipments, consider consulting a customs broker or the local customs authority to confirm the correct HS code and applicable duties.
- Plan for Tariff Increases: If the shipment is scheduled after April 11, 2025, budget for the 30.0% additional tariff to avoid unexpected costs.
Let me know if you need help determining the correct HS code based on specific product details or documentation.
Product Name: Modified Alginate
Classification: HS Code 3913.10.00.00 or 3913.90.20.90
🔍 HS Code Classification and Tax Details
- HS Code 3913.10.00.00
- Description: Modified Alginate is a modified form of alginate, which aligns with the classification under HS code 3913.10.00.00.
-
Total Tax Rate: 41.7%
- Base Tariff Rate: 4.2%
- Additional Tariff: 7.5%
- Special Tariff after April 11, 2025: 30.0%
-
HS Code 3913.90.20.90
- Description: Modified Alginate is classified as a modified derivative of natural polymers, which fits under HS code 3913.90.20.90.
- Total Tax Rate: 60.8%
- Base Tariff Rate: 5.8%
- Additional Tariff: 25.0%
- Special Tariff after April 11, 2025: 30.0%
⚠️ Important Notes on Tariff Changes
-
April 11, 2025 Special Tariff:
A 30.0% additional tariff will be imposed on both HS codes after April 11, 2025. This is a time-sensitive policy and must be considered in cost planning. -
Anti-dumping duties:
No specific anti-dumping duties for iron or aluminum are currently applicable to modified alginate. However, always verify with the latest customs updates.
📌 Proactive Advice for Importers
- Verify Material Specifications: Ensure the product is indeed a modified alginate and not a different chemical derivative, as this can affect HS code classification.
- Check Unit Price and Certification: Confirm the unit price and whether any certifications (e.g., food-grade, medical-grade) are required for import.
- Consult Customs Authority: For high-value or complex shipments, consider consulting a customs broker or the local customs authority to confirm the correct HS code and applicable duties.
- Plan for Tariff Increases: If the shipment is scheduled after April 11, 2025, budget for the 30.0% additional tariff to avoid unexpected costs.
Let me know if you need help determining the correct HS code based on specific product details or documentation.
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