HS Code | Official Doc | Tariff Rate | Origin | Destination | Effective Date |
---|---|---|---|---|---|
4411931000 | Doc | 55.0% | CN | US | 2025-05-12 |
4411936000 | Doc | 55.0% | CN | US | 2025-05-12 |
4413000000 | Doc | 58.7% | CN | US | 2025-05-12 |




✅ Customs Classification and Tariff Analysis for Medium Density Fiberboard (Unsurfaced)
Below is a structured breakdown of the HS codes and associated tariffs for the declared product: Medium Density Fiberboard (Unsurfaced, Density 0.5–0.8 g/cm³, Standard Grade).
🔍 1. HS Code: 4411931000
Product Description:
- Fiberboard of wood or other ligneous materials, whether or not bonded with resins or other organic substances
- Other: Of a density exceeding 0.5 g/cm³ but not exceeding 0.8 g/cm³
- Not mechanically worked or surface covered
Tariff Breakdown:
- Base Tariff Rate: 0.0%
- Additional Tariff (General): 25.0%
- Special Tariff (After April 11, 2025): 30.0%
- Total Tariff: 55.0%
Key Notes: - This code applies to unsurfaced fiberboard with a density between 0.5 and 0.8 g/cm³. - No mechanical working or surface covering is allowed under this classification. - No anti-dumping duties are currently applicable for this product.
🔍 2. HS Code: 4411936000
Product Description:
- Fiberboard of wood or other wood materials, whether or not bonded with resins
- Other: Of a density exceeding 0.5 g/cm³ but not exceeding 0.8 g/cm³
- Other: Other: Not surface covered (except for oil treatment)
Tariff Breakdown:
- Base Tariff Rate: 0.0%
- Additional Tariff (General): 25.0%
- Special Tariff (After April 11, 2025): 30.0%
- Total Tariff: 55.0%
Key Notes: - This code is for unsurfaced fiberboard (except for oil treatment) with the same density range as above. - The oil treatment is an exception to the "not surface covered" rule. - No anti-dumping duties are currently applicable for this product.
🔍 3. HS Code: 4413000000
Product Description:
- Densified wood, in blocks, plates, strips or profile shapes
Tariff Breakdown:
- Base Tariff Rate: 3.7%
- Additional Tariff (General): 25.0%
- Special Tariff (After April 11, 2025): 30.0%
- Total Tariff: 58.7%
Key Notes: - This code is for densified wood products in various forms (blocks, plates, etc.). - It is not fiberboard, but rather a different category of wood-based material. - No anti-dumping duties are currently applicable for this product.
⚠️ Important Alerts and Proactive Advice
- Time-sensitive policy:
- After April 11, 2025, an additional 30.0% tariff will be applied to all three HS codes listed above.
-
This is a critical date for customs clearance planning and cost estimation.
-
Verify the product details:
- Confirm the density of the fiberboard (must be between 0.5 and 0.8 g/cm³).
- Ensure the product is not surface covered (except for oil treatment, if applicable).
-
Check if the fiberboard is mechanically worked or surface treated — this may change the classification.
-
Certifications and Documentation:
- Ensure all product specifications are clearly documented for customs.
-
If exporting to specific countries, check for additional import restrictions or environmental certifications (e.g., FSC, CARB, etc.).
-
Tariff Calculation:
- Total tariff = Base + Additional + Special (if applicable)
- For example: 0.0% + 25.0% + 30.0% = 55.0% (after April 11, 2025)
✅ Summary Table
HS Code | Description | Base Tariff | Additional Tariff | Special Tariff (After 2025.4.11) | Total Tariff |
---|---|---|---|---|---|
4411931000 | Unsurfaced fiberboard (0.5–0.8 g/cm³) | 0.0% | 25.0% | 30.0% | 55.0% |
4411936000 | Unsurfaced fiberboard (0.5–0.8 g/cm³) | 0.0% | 25.0% | 30.0% | 55.0% |
4413000000 | Densified wood (blocks, plates, etc.) | 3.7% | 25.0% | 30.0% | 58.7% |
If you have more details about the material composition, intended use, or destination country, I can provide a more tailored customs compliance analysis.
✅ Customs Classification and Tariff Analysis for Medium Density Fiberboard (Unsurfaced)
Below is a structured breakdown of the HS codes and associated tariffs for the declared product: Medium Density Fiberboard (Unsurfaced, Density 0.5–0.8 g/cm³, Standard Grade).
🔍 1. HS Code: 4411931000
Product Description:
- Fiberboard of wood or other ligneous materials, whether or not bonded with resins or other organic substances
- Other: Of a density exceeding 0.5 g/cm³ but not exceeding 0.8 g/cm³
- Not mechanically worked or surface covered
Tariff Breakdown:
- Base Tariff Rate: 0.0%
- Additional Tariff (General): 25.0%
- Special Tariff (After April 11, 2025): 30.0%
- Total Tariff: 55.0%
Key Notes: - This code applies to unsurfaced fiberboard with a density between 0.5 and 0.8 g/cm³. - No mechanical working or surface covering is allowed under this classification. - No anti-dumping duties are currently applicable for this product.
🔍 2. HS Code: 4411936000
Product Description:
- Fiberboard of wood or other wood materials, whether or not bonded with resins
- Other: Of a density exceeding 0.5 g/cm³ but not exceeding 0.8 g/cm³
- Other: Other: Not surface covered (except for oil treatment)
Tariff Breakdown:
- Base Tariff Rate: 0.0%
- Additional Tariff (General): 25.0%
- Special Tariff (After April 11, 2025): 30.0%
- Total Tariff: 55.0%
Key Notes: - This code is for unsurfaced fiberboard (except for oil treatment) with the same density range as above. - The oil treatment is an exception to the "not surface covered" rule. - No anti-dumping duties are currently applicable for this product.
🔍 3. HS Code: 4413000000
Product Description:
- Densified wood, in blocks, plates, strips or profile shapes
Tariff Breakdown:
- Base Tariff Rate: 3.7%
- Additional Tariff (General): 25.0%
- Special Tariff (After April 11, 2025): 30.0%
- Total Tariff: 58.7%
Key Notes: - This code is for densified wood products in various forms (blocks, plates, etc.). - It is not fiberboard, but rather a different category of wood-based material. - No anti-dumping duties are currently applicable for this product.
⚠️ Important Alerts and Proactive Advice
- Time-sensitive policy:
- After April 11, 2025, an additional 30.0% tariff will be applied to all three HS codes listed above.
-
This is a critical date for customs clearance planning and cost estimation.
-
Verify the product details:
- Confirm the density of the fiberboard (must be between 0.5 and 0.8 g/cm³).
- Ensure the product is not surface covered (except for oil treatment, if applicable).
-
Check if the fiberboard is mechanically worked or surface treated — this may change the classification.
-
Certifications and Documentation:
- Ensure all product specifications are clearly documented for customs.
-
If exporting to specific countries, check for additional import restrictions or environmental certifications (e.g., FSC, CARB, etc.).
-
Tariff Calculation:
- Total tariff = Base + Additional + Special (if applicable)
- For example: 0.0% + 25.0% + 30.0% = 55.0% (after April 11, 2025)
✅ Summary Table
HS Code | Description | Base Tariff | Additional Tariff | Special Tariff (After 2025.4.11) | Total Tariff |
---|---|---|---|---|---|
4411931000 | Unsurfaced fiberboard (0.5–0.8 g/cm³) | 0.0% | 25.0% | 30.0% | 55.0% |
4411936000 | Unsurfaced fiberboard (0.5–0.8 g/cm³) | 0.0% | 25.0% | 30.0% | 55.0% |
4413000000 | Densified wood (blocks, plates, etc.) | 3.7% | 25.0% | 30.0% | 58.7% |
If you have more details about the material composition, intended use, or destination country, I can provide a more tailored customs compliance analysis.
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