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 |
3913905000 | Doc | 61.5% | CN | US | 2025-05-12 |
3913100000 | Doc | 41.7% | CN | US | 2025-05-12 |
3913902090 | Doc | 60.8% | CN | US | 2025-05-12 |




Product Name: Industrial Grade Alginate
Classification: HS Code 3913100000 and 3913902090 (among others)
🔍 HS Code Classification Overview
- HS Code 3913100000
- Description: Alginate, its salts and esters
- Total Tax Rate: 41.7%
- Breakdown:
- Base Tariff: 4.2%
- Additional Tariff: 7.5%
- Special Tariff after April 11, 2025: 30.0%
-
Note: This code applies to the primary form of natural polymers like alginate.
-
HS Code 3913902090
- Description: Other (e.g., natural polymers and their derivatives)
- Total Tax Rate: 60.8%
- Breakdown:
- Base Tariff: 5.8%
- Additional Tariff: 25.0%
- Special Tariff after April 11, 2025: 30.0%
-
Note: This code may apply to more processed or derivative forms of alginate.
-
HS Code 3913905000
- Description: Other (e.g., synthetic or modified forms)
- Total Tax Rate: 61.5%
- Breakdown:
- Base Tariff: 6.5%
- Additional Tariff: 25.0%
- Special Tariff after April 11, 2025: 30.0%
⚠️ Key Tax Rate Changes and Alerts
- April 11, 2025 Special Tariff:
- A 30.0% additional tariff will be imposed on all listed HS codes after April 11, 2025.
-
This is a time-sensitive policy and may significantly increase the total import cost.
-
Anti-dumping duties:
- No specific anti-dumping duties are listed for this product in the provided data.
- However, always verify if any anti-dumping or countervailing duties apply based on the country of origin and product specifics.
📌 Proactive Advice for Importers
- Verify Material Specifications:
-
Confirm whether the product is in its primary form (alginate) or a derivative (e.g., ester or salt form), as this will determine the correct HS code.
-
Check Unit Price and Certification Requirements:
-
Some HS codes may require certifications (e.g., food-grade, industrial-grade) or origin documentation to qualify for preferential rates.
-
Monitor Tariff Updates:
-
The April 11, 2025 tariff is a critical date. Ensure your import timeline accounts for this to avoid unexpected costs.
-
Consult with Customs Broker:
- For complex classifications or large volumes, it is advisable to seek professional customs brokerage support to ensure compliance and cost efficiency.
✅ Summary Table
HS Code | Description | Base Tariff | Additional Tariff | April 11, 2025 Tariff | Total Tax Rate |
---|---|---|---|---|---|
3913100000 | Alginate, its salts and esters | 4.2% | 7.5% | 30.0% | 41.7% |
3913902090 | Other (natural polymers) | 5.8% | 25.0% | 30.0% | 60.8% |
3913905000 | Other (synthetic/modified) | 6.5% | 25.0% | 30.0% | 61.5% |
If you provide more details about the specific form of the alginate (e.g., sodium alginate, calcium alginate, esterified), I can help you further narrow down the HS code and tax implications.
Product Name: Industrial Grade Alginate
Classification: HS Code 3913100000 and 3913902090 (among others)
🔍 HS Code Classification Overview
- HS Code 3913100000
- Description: Alginate, its salts and esters
- Total Tax Rate: 41.7%
- Breakdown:
- Base Tariff: 4.2%
- Additional Tariff: 7.5%
- Special Tariff after April 11, 2025: 30.0%
-
Note: This code applies to the primary form of natural polymers like alginate.
-
HS Code 3913902090
- Description: Other (e.g., natural polymers and their derivatives)
- Total Tax Rate: 60.8%
- Breakdown:
- Base Tariff: 5.8%
- Additional Tariff: 25.0%
- Special Tariff after April 11, 2025: 30.0%
-
Note: This code may apply to more processed or derivative forms of alginate.
-
HS Code 3913905000
- Description: Other (e.g., synthetic or modified forms)
- Total Tax Rate: 61.5%
- Breakdown:
- Base Tariff: 6.5%
- Additional Tariff: 25.0%
- Special Tariff after April 11, 2025: 30.0%
⚠️ Key Tax Rate Changes and Alerts
- April 11, 2025 Special Tariff:
- A 30.0% additional tariff will be imposed on all listed HS codes after April 11, 2025.
-
This is a time-sensitive policy and may significantly increase the total import cost.
-
Anti-dumping duties:
- No specific anti-dumping duties are listed for this product in the provided data.
- However, always verify if any anti-dumping or countervailing duties apply based on the country of origin and product specifics.
📌 Proactive Advice for Importers
- Verify Material Specifications:
-
Confirm whether the product is in its primary form (alginate) or a derivative (e.g., ester or salt form), as this will determine the correct HS code.
-
Check Unit Price and Certification Requirements:
-
Some HS codes may require certifications (e.g., food-grade, industrial-grade) or origin documentation to qualify for preferential rates.
-
Monitor Tariff Updates:
-
The April 11, 2025 tariff is a critical date. Ensure your import timeline accounts for this to avoid unexpected costs.
-
Consult with Customs Broker:
- For complex classifications or large volumes, it is advisable to seek professional customs brokerage support to ensure compliance and cost efficiency.
✅ Summary Table
HS Code | Description | Base Tariff | Additional Tariff | April 11, 2025 Tariff | Total Tax Rate |
---|---|---|---|---|---|
3913100000 | Alginate, its salts and esters | 4.2% | 7.5% | 30.0% | 41.7% |
3913902090 | Other (natural polymers) | 5.8% | 25.0% | 30.0% | 60.8% |
3913905000 | Other (synthetic/modified) | 6.5% | 25.0% | 30.0% | 61.5% |
If you provide more details about the specific form of the alginate (e.g., sodium alginate, calcium alginate, esterified), I can help you further narrow down the HS code and tax implications.
Customer Reviews
No reviews yet.