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: Alginic Acid Series Products
Classification HS Code:
- 3913100000
- 3913902090
🔍 HS Code Classification Overview
- HS Code 3913100000
- Description: Covers raw materials such as alginic acid, alginates, alginic acid powder, granules, and esters, which are considered primary forms or derivatives of natural polymers.
-
Total Tax Rate: 41.7%
- Base Tariff: 4.2%
- Additional Tariff: 7.5%
- Special Tariff after April 11, 2025: 30.0%
-
HS Code 3913902090
- Description: Applies to alginates, which are natural polymers or their modified derivatives, and aligns with the classification description of this HS code.
- Total Tax Rate: 60.8%
- Base Tariff: 5.8%
- Additional Tariff: 25.0%
- Special Tariff after April 11, 2025: 30.0%
⚠️ Important Notes on Tariff Changes
-
April 11, 2025 Special Tariff:
Both HS codes will be subject to an additional 30.0% tariff after April 11, 2025. This is a time-sensitive policy and must be accounted for in cost estimation and customs clearance planning. -
Anti-dumping duties:
No specific anti-dumping duties for iron or aluminum are currently applicable to these products. However, it is advisable to confirm with customs or a trade compliance expert if the product is subject to any ongoing investigations or duties.
📌 Proactive Advice for Importers
- Verify Material Specifications: Ensure the product is correctly classified under the appropriate HS code based on its chemical form (e.g., alginic acid, alginates, esters).
- Check Unit Price and Certification: Confirm the unit price and whether any certifications (e.g., food-grade, pharmaceutical-grade) are required for import.
- Monitor Tariff Updates: Stay informed about any changes in tariff policies, especially the April 11, 2025 deadline.
- Consult Customs or Trade Experts: For complex product formulations or large-volume imports, seek professional advice to avoid misclassification and additional penalties.
Let me know if you need help with customs documentation or further classification details.
Product Name: Alginic Acid Series Products
Classification HS Code:
- 3913100000
- 3913902090
🔍 HS Code Classification Overview
- HS Code 3913100000
- Description: Covers raw materials such as alginic acid, alginates, alginic acid powder, granules, and esters, which are considered primary forms or derivatives of natural polymers.
-
Total Tax Rate: 41.7%
- Base Tariff: 4.2%
- Additional Tariff: 7.5%
- Special Tariff after April 11, 2025: 30.0%
-
HS Code 3913902090
- Description: Applies to alginates, which are natural polymers or their modified derivatives, and aligns with the classification description of this HS code.
- Total Tax Rate: 60.8%
- Base Tariff: 5.8%
- Additional Tariff: 25.0%
- Special Tariff after April 11, 2025: 30.0%
⚠️ Important Notes on Tariff Changes
-
April 11, 2025 Special Tariff:
Both HS codes will be subject to an additional 30.0% tariff after April 11, 2025. This is a time-sensitive policy and must be accounted for in cost estimation and customs clearance planning. -
Anti-dumping duties:
No specific anti-dumping duties for iron or aluminum are currently applicable to these products. However, it is advisable to confirm with customs or a trade compliance expert if the product is subject to any ongoing investigations or duties.
📌 Proactive Advice for Importers
- Verify Material Specifications: Ensure the product is correctly classified under the appropriate HS code based on its chemical form (e.g., alginic acid, alginates, esters).
- Check Unit Price and Certification: Confirm the unit price and whether any certifications (e.g., food-grade, pharmaceutical-grade) are required for import.
- Monitor Tariff Updates: Stay informed about any changes in tariff policies, especially the April 11, 2025 deadline.
- Consult Customs or Trade Experts: For complex product formulations or large-volume imports, seek professional advice to avoid misclassification and additional penalties.
Let me know if you need help with customs documentation or further classification details.
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