HS Code | Official Doc | Tariff Rate | Origin | Destination | Effective Date |
---|---|---|---|---|---|
3902205000 | Doc | 61.5% | CN | US | 2025-05-12 |
3811190000 | Doc | 61.5% | CN | US | 2025-05-12 |
3811290000 | Doc | 61.5% | CN | US | 2025-05-12 |
3811210000 | Doc | 61.5% | CN | US | 2025-05-12 |
3902900010 | Doc | 61.5% | CN | US | 2025-05-12 |




Product Name: Polyisobutylene Lubricant Additive
Classification HS Codes and Tax Information:
- HS CODE: 3902205000
- Description: Polyisobutylene lubricant additive falls under HS code 3902.20.50.00, which is classified as a primary form of polymer of propylene or other olefins.
-
Total Tax Rate: 61.5%
- Base Tariff: 6.5%
- Additional Tariff: 25.0%
- Special Tariff after April 11, 2025: 30.0%
-
HS CODE: 3811190000
- Description: Lubricant additives used in mineral oil formulations, including anti-knock agents and oxidation inhibitors.
-
Total Tax Rate: 61.5%
- Base Tariff: 6.5%
- Additional Tariff: 25.0%
- Special Tariff after April 11, 2025: 30.0%
-
HS CODE: 3811290000
- Description: Lubricant additives for automotive use, classified under formulations used with mineral oil or other oils for similar purposes.
-
Total Tax Rate: 61.5%
- Base Tariff: 6.5%
- Additional Tariff: 25.0%
- Special Tariff after April 11, 2025: 30.0%
-
HS CODE: 3811210000
- Description: Grease additives, which align with the description of HS code 3811210000, falling under mineral oil additives.
-
Total Tax Rate: 61.5%
- Base Tariff: 6.5%
- Additional Tariff: 25.0%
- Special Tariff after April 11, 2025: 30.0%
-
HS CODE: 3902900010
- Description: Polybutene resin lubricant additive, which fits the description of HS code 3902.90.00.10, classified as a primary form of polymer of propylene or other olefins.
- Total Tax Rate: 61.5%
- Base Tariff: 6.5%
- Additional Tariff: 25.0%
- Special Tariff after April 11, 2025: 30.0%
✅ Key Notes:
- Tariff Structure: All listed HS codes have the same total tax rate of 61.5%, composed of 6.5% base tariff, 25% additional tariff, and 30% special tariff after April 11, 2025.
- April 11 Special Tariff: This is a time-sensitive policy. Ensure your customs declaration is completed before April 11, 2025, if possible, to avoid the higher rate.
- No Anti-Dumping Duties Mentioned: No specific anti-dumping duties for iron or aluminum are applicable to this product.
- Certifications Required: Verify if your product requires any specific certifications (e.g., REACH, RoHS, or other local regulations) for import compliance.
🛑 Proactive Advice:
- Confirm Product Composition: Ensure the product is indeed a polyisobutylene lubricant additive and not a finished product or formulation that may fall under a different HS code.
- Check Unit Price and Material: The tax rate may vary based on the material composition and unit price. Confirm with customs or a classification expert if in doubt.
-
Document Preparation: Maintain detailed documentation, including technical specifications, to support the correct HS code classification during customs clearance. Product Name: Polyisobutylene Lubricant Additive
Classification HS Codes and Tax Information: -
HS CODE: 3902205000
- Description: Polyisobutylene lubricant additive falls under HS code 3902.20.50.00, which is classified as a primary form of polymer of propylene or other olefins.
-
Total Tax Rate: 61.5%
- Base Tariff: 6.5%
- Additional Tariff: 25.0%
- Special Tariff after April 11, 2025: 30.0%
-
HS CODE: 3811190000
- Description: Lubricant additives used in mineral oil formulations, including anti-knock agents and oxidation inhibitors.
-
Total Tax Rate: 61.5%
- Base Tariff: 6.5%
- Additional Tariff: 25.0%
- Special Tariff after April 11, 2025: 30.0%
-
HS CODE: 3811290000
- Description: Lubricant additives for automotive use, classified under formulations used with mineral oil or other oils for similar purposes.
-
Total Tax Rate: 61.5%
- Base Tariff: 6.5%
- Additional Tariff: 25.0%
- Special Tariff after April 11, 2025: 30.0%
-
HS CODE: 3811210000
- Description: Grease additives, which align with the description of HS code 3811210000, falling under mineral oil additives.
-
Total Tax Rate: 61.5%
- Base Tariff: 6.5%
- Additional Tariff: 25.0%
- Special Tariff after April 11, 2025: 30.0%
-
HS CODE: 3902900010
- Description: Polybutene resin lubricant additive, which fits the description of HS code 3902.90.00.10, classified as a primary form of polymer of propylene or other olefins.
- Total Tax Rate: 61.5%
- Base Tariff: 6.5%
- Additional Tariff: 25.0%
- Special Tariff after April 11, 2025: 30.0%
✅ Key Notes:
- Tariff Structure: All listed HS codes have the same total tax rate of 61.5%, composed of 6.5% base tariff, 25% additional tariff, and 30% special tariff after April 11, 2025.
- April 11 Special Tariff: This is a time-sensitive policy. Ensure your customs declaration is completed before April 11, 2025, if possible, to avoid the higher rate.
- No Anti-Dumping Duties Mentioned: No specific anti-dumping duties for iron or aluminum are applicable to this product.
- Certifications Required: Verify if your product requires any specific certifications (e.g., REACH, RoHS, or other local regulations) for import compliance.
🛑 Proactive Advice:
- Confirm Product Composition: Ensure the product is indeed a polyisobutylene lubricant additive and not a finished product or formulation that may fall under a different HS code.
- Check Unit Price and Material: The tax rate may vary based on the material composition and unit price. Confirm with customs or a classification expert if in doubt.
- Document Preparation: Maintain detailed documentation, including technical specifications, to support the correct HS code classification during customs clearance.
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