HS Code | Official Doc | Tariff Rate | Origin | Destination | Effective Date |
---|---|---|---|---|---|
3913902090 | Doc | 60.8% | CN | US | 2025-05-12 |
3913905000 | Doc | 61.5% | CN | US | 2025-05-12 |
3913905000 | Doc | 61.5% | CN | US | 2025-05-12 |
3823194000 | Doc | 40.7% | CN | US | 2025-05-12 |
3823130040 | Doc | 40.7% | CN | US | 2025-05-12 |




Product Classification: Industrial Grade Modified Starch
Based on the provided HS codes and summaries, the classification of industrial grade modified starch depends on its specific application and chemical modification. Below is a structured breakdown of the relevant HS codes and associated tariff information:
1. General Classification Overview
- Modified starch is a derivative of natural starch and is typically classified under HS Chapter 3913 (Polysaccharides and their derivatives).
- If the modified starch is used in industrial applications (e.g., papermaking, construction), it may fall under HS 3913.90.50.00.
- If the modified starch is used in other industrial or chemical applications, it may be classified under HS 3823 (Industrial organic chemicals).
2. HS Code Breakdown and Tax Rates
A. HS Code: 3913902090
- Description: Modified starch (general use), classified under 3913.90 (Polysaccharides and their derivatives, not elsewhere specified).
- Total Tax Rate: 60.8%
- Base Tariff: 5.8%
- Additional Tariff: 25.0%
- Special Tariff after April 11, 2025: 30.0%
- Applicable for: General-purpose modified starch, not specifically for construction or papermaking.
B. HS Code: 3913905000
- Description: Modified starch used in construction or papermaking, classified under 3913.90.50.00 (Natural polymers and modified natural polymers, not elsewhere specified).
- Total Tax Rate: 61.5%
- Base Tariff: 6.5%
- Additional Tariff: 25.0%
- Special Tariff after April 11, 2025: 30.0%
- Applicable for: Industrial-grade modified starch used in paper or construction.
C. HS Code: 3823194000
- Description: Industrial-grade modified fatty acids, classified under 3823.19.40.00 (Industrial single-carboxylic acid fatty acids and refined oleic acid).
- Total Tax Rate: 40.7%
- Base Tariff: 3.2%
- Additional Tariff: 7.5%
- Special Tariff after April 11, 2025: 30.0%
- Applicable for: Modified fatty acids used in industrial chemical processes.
D. HS Code: 3823130040
- Description: Industrial-grade modified fatty acid products, classified under 3823.13.00.40 (Industrial single-carboxylic acid fatty acids; refined oleic acid; industrial fatty alcohols).
- Total Tax Rate: 40.7%
- Base Tariff: 3.2%
- Additional Tariff: 7.5%
- Special Tariff after April 11, 2025: 30.0%
- Applicable for: Modified fatty acid derivatives used in industrial applications.
3. Key Tax Rate Changes (April 11, 2025)
- All products listed above 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 customs clearance planning.
4. Anti-Dumping and Countervailing Duties
- No specific anti-dumping or countervailing duties are listed for modified starch or its derivatives in the provided data.
- However, if the product is imported from countries under anti-dumping investigations, additional duties may apply. Always verify with customs or a trade compliance expert.
5. Proactive Advice for Importers
- Verify the exact application of the modified starch (e.g., paper, construction, or chemical use) to determine the correct HS code.
- Check the unit price and material composition to ensure proper classification.
- Confirm required certifications (e.g., food-grade, industrial-grade, or chemical safety documentation).
- Plan for the April 11, 2025, tariff increase to avoid unexpected costs.
- Consult with customs brokers or trade compliance experts for accurate classification and duty calculation.
Summary Table
HS Code | Product Description | Base Tariff | Additional Tariff | Special Tariff (after 2025.4.11) | Total Tax Rate |
---|---|---|---|---|---|
3913902090 | General-purpose modified starch | 5.8% | 25.0% | 30.0% | 60.8% |
3913905000 | Construction/papermaking modified starch | 6.5% | 25.0% | 30.0% | 61.5% |
3823194000 | Industrial modified fatty acids | 3.2% | 7.5% | 30.0% | 40.7% |
3823130040 | Industrial modified fatty acid products | 3.2% | 7.5% | 30.0% | 40.7% |
Let me know if you need help with certification requirements or customs documentation for any of these HS codes.
Product Classification: Industrial Grade Modified Starch
Based on the provided HS codes and summaries, the classification of industrial grade modified starch depends on its specific application and chemical modification. Below is a structured breakdown of the relevant HS codes and associated tariff information:
1. General Classification Overview
- Modified starch is a derivative of natural starch and is typically classified under HS Chapter 3913 (Polysaccharides and their derivatives).
- If the modified starch is used in industrial applications (e.g., papermaking, construction), it may fall under HS 3913.90.50.00.
- If the modified starch is used in other industrial or chemical applications, it may be classified under HS 3823 (Industrial organic chemicals).
2. HS Code Breakdown and Tax Rates
A. HS Code: 3913902090
- Description: Modified starch (general use), classified under 3913.90 (Polysaccharides and their derivatives, not elsewhere specified).
- Total Tax Rate: 60.8%
- Base Tariff: 5.8%
- Additional Tariff: 25.0%
- Special Tariff after April 11, 2025: 30.0%
- Applicable for: General-purpose modified starch, not specifically for construction or papermaking.
B. HS Code: 3913905000
- Description: Modified starch used in construction or papermaking, classified under 3913.90.50.00 (Natural polymers and modified natural polymers, not elsewhere specified).
- Total Tax Rate: 61.5%
- Base Tariff: 6.5%
- Additional Tariff: 25.0%
- Special Tariff after April 11, 2025: 30.0%
- Applicable for: Industrial-grade modified starch used in paper or construction.
C. HS Code: 3823194000
- Description: Industrial-grade modified fatty acids, classified under 3823.19.40.00 (Industrial single-carboxylic acid fatty acids and refined oleic acid).
- Total Tax Rate: 40.7%
- Base Tariff: 3.2%
- Additional Tariff: 7.5%
- Special Tariff after April 11, 2025: 30.0%
- Applicable for: Modified fatty acids used in industrial chemical processes.
D. HS Code: 3823130040
- Description: Industrial-grade modified fatty acid products, classified under 3823.13.00.40 (Industrial single-carboxylic acid fatty acids; refined oleic acid; industrial fatty alcohols).
- Total Tax Rate: 40.7%
- Base Tariff: 3.2%
- Additional Tariff: 7.5%
- Special Tariff after April 11, 2025: 30.0%
- Applicable for: Modified fatty acid derivatives used in industrial applications.
3. Key Tax Rate Changes (April 11, 2025)
- All products listed above 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 customs clearance planning.
4. Anti-Dumping and Countervailing Duties
- No specific anti-dumping or countervailing duties are listed for modified starch or its derivatives in the provided data.
- However, if the product is imported from countries under anti-dumping investigations, additional duties may apply. Always verify with customs or a trade compliance expert.
5. Proactive Advice for Importers
- Verify the exact application of the modified starch (e.g., paper, construction, or chemical use) to determine the correct HS code.
- Check the unit price and material composition to ensure proper classification.
- Confirm required certifications (e.g., food-grade, industrial-grade, or chemical safety documentation).
- Plan for the April 11, 2025, tariff increase to avoid unexpected costs.
- Consult with customs brokers or trade compliance experts for accurate classification and duty calculation.
Summary Table
HS Code | Product Description | Base Tariff | Additional Tariff | Special Tariff (after 2025.4.11) | Total Tax Rate |
---|---|---|---|---|---|
3913902090 | General-purpose modified starch | 5.8% | 25.0% | 30.0% | 60.8% |
3913905000 | Construction/papermaking modified starch | 6.5% | 25.0% | 30.0% | 61.5% |
3823194000 | Industrial modified fatty acids | 3.2% | 7.5% | 30.0% | 40.7% |
3823130040 | Industrial modified fatty acid products | 3.2% | 7.5% | 30.0% | 40.7% |
Let me know if you need help with certification requirements or customs documentation for any of these HS codes.
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