Find HS Code and trade information for Polyisobutylene Textile Auxiliary

Here is the structured analysis and customs compliance guidance for the Polyisobutylene Textile Auxiliary based on the provided HS codes and tax details:

✅ HS CODE: 3902201000

Product Description:
- Polyisobutylene auxiliary, classified under 3902.19, falls under the category of polymers of propylene or other olefins in primary form, specifically elastomers of polyisobutylene.

Tariff Summary:
- Base Tariff: 0.0%
- Additional Tariff: 25.0%
- Special Tariff after April 11, 2025: 30.0%
- Total Tax Rate: 55.0%

Key Notes:
- This code is suitable for primary form polyisobutylene used as a textile auxiliary.
- April 11, 2025 is a critical date for tariff changes — ensure compliance with updated rates.

✅ HS CODE: 3902205000

Product Description:
- Polyisobutylene auxiliary, classified under 3902.10, falls under the category of polymers of propylene or other olefins in primary form, with supplementary notes on polyisobutylene.

Tariff Summary:
- Base Tariff: 6.5%
- Additional Tariff: 25.0%
- Special Tariff after April 11, 2025: 30.0%
- Total Tax Rate: 61.5%

Key Notes:
- This code may be more appropriate if the product is not in its purest form or has additional functional additives.
- Higher base tariff compared to 3902201000 — verify the exact chemical composition and form of the product.

✅ HS CODE: 3824993990

Product Description:
- Textile auxiliary mixture, classified under 3824.99, falls under chemical products and preparations of chemical or related industries not elsewhere specified.

Tariff Summary:
- Base Tariff: 0.0%
- Additional Tariff: 25.0%
- Special Tariff after April 11, 2025: 30.0%
- Total Tax Rate: 55.0%

Key Notes:
- This code is suitable for mixed chemical formulations used in textile processing.
- No base tariff, but additional and special tariffs apply.
- Ensure the product is not classified under a more specific HS code (e.g., 3902).

✅ HS CODE: 3902900010

Product Description:
- Polybutene resin additive, containing "polybutene", matches the description of 3902.90.00.10, which refers to polybutene.

Tariff Summary:
- Base Tariff: 6.5%
- Additional Tariff: 25.0%
- Special Tariff after April 11, 2025: 30.0%
- Total Tax Rate: 61.5%

Key Notes:
- This code is for polybutene, which is a related but distinct polymer from polyisobutylene.
- If the product is not polybutene, this code may be misclassified.

✅ HS CODE: 3825610000

Product Description:
- Waste textile auxiliary, classified under 3825.61, falls under waste and scrap of chemical industry, mainly containing organic substances.

Tariff Summary:
- Base Tariff: 0.0%
- Additional Tariff: 25.0%
- Special Tariff after April 11, 2025: 30.0%
- Total Tax Rate: 55.0%

Key Notes:
- This code is for waste or scrap of textile auxiliary — not for new or unused products.
- Ensure the product is not in new condition before using this code.

📌 Proactive Advice for Users:

1. Verify the exact chemical composition of the product (e.g., is it polyisobutylene, polybutene, or a mixture?).
2. Check the form of the product (primary polymer, mixture, waste, etc.).
3. Confirm the unit price and material specifications to ensure correct HS code selection.
4. Review required certifications (e.g., REACH, RoHS, or customs documentation).
5. Monitor the April 11, 2025 deadline for tariff changes — this will impact your total import cost.
6. Consult a customs broker or classification expert if the product is complex or borderline between categories.

Let me know if you need help with certification requirements or customs documentation for any of these HS codes. Here is the structured analysis and customs compliance guidance for the Polyisobutylene Textile Auxiliary based on the provided HS codes and tax details:

✅ HS CODE: 3902201000

Product Description:
- Polyisobutylene auxiliary, classified under 3902.19, falls under the category of polymers of propylene or other olefins in primary form, specifically elastomers of polyisobutylene.

Tariff Summary:
- Base Tariff: 0.0%
- Additional Tariff: 25.0%
- Special Tariff after April 11, 2025: 30.0%
- Total Tax Rate: 55.0%

Key Notes:
- This code is suitable for primary form polyisobutylene used as a textile auxiliary.
- April 11, 2025 is a critical date for tariff changes — ensure compliance with updated rates.

✅ HS CODE: 3902205000

Product Description:
- Polyisobutylene auxiliary, classified under 3902.10, falls under the category of polymers of propylene or other olefins in primary form, with supplementary notes on polyisobutylene.

Tariff Summary:
- Base Tariff: 6.5%
- Additional Tariff: 25.0%
- Special Tariff after April 11, 2025: 30.0%
- Total Tax Rate: 61.5%

Key Notes:
- This code may be more appropriate if the product is not in its purest form or has additional functional additives.
- Higher base tariff compared to 3902201000 — verify the exact chemical composition and form of the product.

✅ HS CODE: 3824993990

Product Description:
- Textile auxiliary mixture, classified under 3824.99, falls under chemical products and preparations of chemical or related industries not elsewhere specified.

Tariff Summary:
- Base Tariff: 0.0%
- Additional Tariff: 25.0%
- Special Tariff after April 11, 2025: 30.0%
- Total Tax Rate: 55.0%

Key Notes:
- This code is suitable for mixed chemical formulations used in textile processing.
- No base tariff, but additional and special tariffs apply.
- Ensure the product is not classified under a more specific HS code (e.g., 3902).

✅ HS CODE: 3902900010

Product Description:
- Polybutene resin additive, containing "polybutene", matches the description of 3902.90.00.10, which refers to polybutene.

Tariff Summary:
- Base Tariff: 6.5%
- Additional Tariff: 25.0%
- Special Tariff after April 11, 2025: 30.0%
- Total Tax Rate: 61.5%

Key Notes:
- This code is for polybutene, which is a related but distinct polymer from polyisobutylene.
- If the product is not polybutene, this code may be misclassified.

✅ HS CODE: 3825610000

Product Description:
- Waste textile auxiliary, classified under 3825.61, falls under waste and scrap of chemical industry, mainly containing organic substances.

Tariff Summary:
- Base Tariff: 0.0%
- Additional Tariff: 25.0%
- Special Tariff after April 11, 2025: 30.0%
- Total Tax Rate: 55.0%

Key Notes:
- This code is for waste or scrap of textile auxiliary — not for new or unused products.
- Ensure the product is not in new condition before using this code.

📌 Proactive Advice for Users:

1. Verify the exact chemical composition of the product (e.g., is it polyisobutylene, polybutene, or a mixture?).
2. Check the form of the product (primary polymer, mixture, waste, etc.).
3. Confirm the unit price and material specifications to ensure correct HS code selection.
4. Review required certifications (e.g., REACH, RoHS, or customs documentation).
5. Monitor the April 11, 2025 deadline for tariff changes — this will impact your total import cost.
6. Consult a customs broker or classification expert if the product is complex or borderline between categories.

Let me know if you need help with certification requirements or customs documentation for any of these HS codes.