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: Alginate Esters
Classification HS CODEs and Tax Details:
HS CODE: 3913100000
Description:
- Covers primary forms of modified natural polymers such as alginate esters, alginate ester powders, ethyl alginate, octyl alginate, propyl alginate, butyl alginate, and stearoyl alginate.
Tax Summary:
- Total Tax Rate: 41.7%
- Breakdown:
- Base Tariff: 4.2%
- Additional Tariff: 7.5%
- Special Tariff after April 11, 2025: 30.0%
Key Notes:
- This HS code is for the primary modified forms of alginate esters.
- Time-sensitive alert: A 30.0% additional tariff will be imposed after April 11, 2025.
HS CODE: 3913902090
Description:
- Covers other polysaccharides and their derivatives, including various forms of alginate salts and esters.
Tax Summary:
- Total Tax Rate: 60.8%
- Breakdown:
- Base Tariff: 5.8%
- Additional Tariff: 25.0%
- Special Tariff after April 11, 2025: 30.0%
Key Notes:
- This HS code is for other polysaccharides and their derivatives, which may include more complex or processed forms of alginate esters.
- Time-sensitive alert: A 30.0% additional tariff will be imposed after April 11, 2025.
Proactive Advice for Importers:
- Verify the exact product form and chemical structure to determine the correct HS code (e.g., whether it is a primary ester or a derivative).
- Check the unit price and material specifications to ensure compliance with customs documentation.
- Confirm if any certifications (e.g., food-grade, industrial use) are required for import.
- Plan for increased costs due to the 30.0% additional tariff after April 11, 2025.
- Consult with customs brokers or legal advisors to ensure full compliance with current and upcoming regulations.
Product Name: Alginate Esters
Classification HS CODEs and Tax Details:
HS CODE: 3913100000
Description:
- Covers primary forms of modified natural polymers such as alginate esters, alginate ester powders, ethyl alginate, octyl alginate, propyl alginate, butyl alginate, and stearoyl alginate.
Tax Summary:
- Total Tax Rate: 41.7%
- Breakdown:
- Base Tariff: 4.2%
- Additional Tariff: 7.5%
- Special Tariff after April 11, 2025: 30.0%
Key Notes:
- This HS code is for the primary modified forms of alginate esters.
- Time-sensitive alert: A 30.0% additional tariff will be imposed after April 11, 2025.
HS CODE: 3913902090
Description:
- Covers other polysaccharides and their derivatives, including various forms of alginate salts and esters.
Tax Summary:
- Total Tax Rate: 60.8%
- Breakdown:
- Base Tariff: 5.8%
- Additional Tariff: 25.0%
- Special Tariff after April 11, 2025: 30.0%
Key Notes:
- This HS code is for other polysaccharides and their derivatives, which may include more complex or processed forms of alginate esters.
- Time-sensitive alert: A 30.0% additional tariff will be imposed after April 11, 2025.
Proactive Advice for Importers:
- Verify the exact product form and chemical structure to determine the correct HS code (e.g., whether it is a primary ester or a derivative).
- Check the unit price and material specifications to ensure compliance with customs documentation.
- Confirm if any certifications (e.g., food-grade, industrial use) are required for import.
- Plan for increased costs due to the 30.0% additional tariff after April 11, 2025.
- Consult with customs brokers or legal advisors to ensure full compliance with current and upcoming regulations.
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