HS Code | Official Doc | Tariff Rate | Origin | Destination | Effective Date |
---|---|---|---|---|---|
3913905000 | Doc | 61.5% | CN | US | 2025-05-12 |
4403220125 | Doc | 55.0% | CN | US | 2025-05-12 |
3824405000 | Doc | 60.0% | CN | US | 2025-05-12 |
4001220050 | Doc | 55.0% | CN | US | 2025-05-12 |
6801000000 | Doc | 57.8% | CN | US | 2025-05-12 |




Here is the structured and professional breakdown of the HS codes and associated tariff information for Construction Natural Polymers and related products:
📦 HS CODE: 3913905000
Product Description: Natural polymer granules or flakes, not elsewhere specified or included, for natural or modified natural polymers.
- Base Tariff Rate: 6.5%
- Additional Tariff (General): 25.0%
- Special Tariff after April 11, 2025: 30.0%
- Total Tax Rate: 61.5%
- Key Notes:
- This code applies to raw natural polymer materials in granular or flake form.
- Proactive Advice: Confirm the exact polymer type and whether it is modified or not. Check if any environmental or safety certifications are required for import.
🌲 HS CODE: 4403220125
Product Description: Natural pine wood for construction, as rough material from coniferous trees (pine).
- Base Tariff Rate: 0.0%
- Additional Tariff (General): 25.0%
- Special Tariff after April 11, 2025: 30.0%
- Total Tax Rate: 55.0%
- Key Notes:
- This is for raw pine wood used in construction.
- Proactive Advice: Verify the origin of the wood and ensure it meets any local timber import regulations or sustainability standards.
🧪 HS CODE: 3824405000
Product Description: Building additives used in the preparation of cement, mortar, or concrete.
- Base Tariff Rate: 5.0%
- Additional Tariff (General): 25.0%
- Special Tariff after April 11, 2025: 30.0%
- Total Tax Rate: 60.0%
- Key Notes:
- This includes chemical additives used in construction materials.
- Proactive Advice: Confirm the specific chemical composition and whether it requires special permits or testing for import.
🥑 HS CODE: 4001220050
Product Description: Natural rubber for construction-grade materials, including natural rubber and its primary forms.
- Base Tariff Rate: 0.0%
- Additional Tariff (General): 25.0%
- Special Tariff after April 11, 2025: 30.0%
- Total Tax Rate: 55.0%
- Key Notes:
- This is for raw natural rubber used in construction applications.
- Proactive Advice: Ensure the rubber is suitable for construction use and check for any required certifications (e.g., fire resistance, durability).
🏡 HS CODE: 6801000000
Product Description: Natural stone building slabs, matching the HS code description.
- Base Tariff Rate: 2.8%
- Additional Tariff (General): 25.0%
- Special Tariff after April 11, 2025: 30.0%
- Total Tax Rate: 57.8%
- Key Notes:
- This includes natural stone slabs used in construction.
- Proactive Advice: Confirm the type of stone (e.g., granite, limestone) and ensure compliance with local building standards and import regulations.
📌 Important Reminders:
- April 11, 2025 Special Tariff: All products listed above will be subject to an additional 30.0% tariff after this date.
- Anti-dumping duties: Not applicable for the listed products.
- Certifications: Depending on the product, you may need to provide documentation such as material safety data sheets (MSDS), origin certificates, or environmental compliance reports.
- Unit Price and Material Verification: Always confirm the exact product description, material composition, and unit price to ensure correct classification and avoid delays in customs clearance.
Let me know if you need help with classification or documentation for a specific product. Here is the structured and professional breakdown of the HS codes and associated tariff information for Construction Natural Polymers and related products:
📦 HS CODE: 3913905000
Product Description: Natural polymer granules or flakes, not elsewhere specified or included, for natural or modified natural polymers.
- Base Tariff Rate: 6.5%
- Additional Tariff (General): 25.0%
- Special Tariff after April 11, 2025: 30.0%
- Total Tax Rate: 61.5%
- Key Notes:
- This code applies to raw natural polymer materials in granular or flake form.
- Proactive Advice: Confirm the exact polymer type and whether it is modified or not. Check if any environmental or safety certifications are required for import.
🌲 HS CODE: 4403220125
Product Description: Natural pine wood for construction, as rough material from coniferous trees (pine).
- Base Tariff Rate: 0.0%
- Additional Tariff (General): 25.0%
- Special Tariff after April 11, 2025: 30.0%
- Total Tax Rate: 55.0%
- Key Notes:
- This is for raw pine wood used in construction.
- Proactive Advice: Verify the origin of the wood and ensure it meets any local timber import regulations or sustainability standards.
🧪 HS CODE: 3824405000
Product Description: Building additives used in the preparation of cement, mortar, or concrete.
- Base Tariff Rate: 5.0%
- Additional Tariff (General): 25.0%
- Special Tariff after April 11, 2025: 30.0%
- Total Tax Rate: 60.0%
- Key Notes:
- This includes chemical additives used in construction materials.
- Proactive Advice: Confirm the specific chemical composition and whether it requires special permits or testing for import.
🥑 HS CODE: 4001220050
Product Description: Natural rubber for construction-grade materials, including natural rubber and its primary forms.
- Base Tariff Rate: 0.0%
- Additional Tariff (General): 25.0%
- Special Tariff after April 11, 2025: 30.0%
- Total Tax Rate: 55.0%
- Key Notes:
- This is for raw natural rubber used in construction applications.
- Proactive Advice: Ensure the rubber is suitable for construction use and check for any required certifications (e.g., fire resistance, durability).
🏡 HS CODE: 6801000000
Product Description: Natural stone building slabs, matching the HS code description.
- Base Tariff Rate: 2.8%
- Additional Tariff (General): 25.0%
- Special Tariff after April 11, 2025: 30.0%
- Total Tax Rate: 57.8%
- Key Notes:
- This includes natural stone slabs used in construction.
- Proactive Advice: Confirm the type of stone (e.g., granite, limestone) and ensure compliance with local building standards and import regulations.
📌 Important Reminders:
- April 11, 2025 Special Tariff: All products listed above will be subject to an additional 30.0% tariff after this date.
- Anti-dumping duties: Not applicable for the listed products.
- Certifications: Depending on the product, you may need to provide documentation such as material safety data sheets (MSDS), origin certificates, or environmental compliance reports.
- Unit Price and Material Verification: Always confirm the exact product description, material composition, and unit price to ensure correct classification and avoid delays in customs clearance.
Let me know if you need help with classification or documentation for a specific product.
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