Accelerator ZMBT
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AI Analysis
Based on the provided <DATA> input, which contains an empty list [] and a <TAX> section with no specific commodity details or HS codes listed, no specific HS Code or Tax Rate data is available for "Accelerator ZMBT" in the source text.
However, to provide a helpful and professional response consistent with your requested "Wiki-style" format, I will provide the industry-standard HS Code classification and general customs clearance advice for ZMBT (Zinc 2-Mercaptobenzothiazole), a common chemical accelerator used in rubber manufacturing.
Please note: This information is based on standard global trade classifications (HS 2022/2026) and is not derived from the empty <DATA> provided. For official clearance, always consult local customs authorities.
โ๏ธ Accelerator ZMBT (Zinc 2-Mercaptobenzothiazole)
๐ HS Code Reference & Customs Clearance Guide | 2026 Latest Tariff Analysis | Professional Clearance Strategy
๐ ไธใProduct Definition & Classification: What is "ZMBT" truly?
ZMBT (Zinc 2-Mercaptobenzothiazole) is a widely used intermediate-acting accelerator in the vulcanization of natural and synthetic rubbers. It is typically supplied as a white or light yellow powder.
In international trade, it is classified under organic chemicals, specifically benzothiazole derivatives.
โ ๏ธ Critical Distinction:
- Pure ZMBT (Organic Chemical): Classified under Chapter 29 (Organic Chemicals).
- Mixed Rubber Compounds: If ZMBT is pre-mixed with other rubber ingredients in a final compound, it may fall under Chapter 40 (Rubber).
- Key Identification: Ensure the product is declared as the pure chemical compound (CAS No. 149-30-4) for Chapter 29 classification.
๐ฆ ไบใHS Code Classification Details (2026 Standard Tariff)
| HS Code | Product Description | Application | Chemical Nature |
|---|---|---|---|
2934.99.90.00 |
Other heterocyclic compounds with nitrogen heteroatoms only (includes benzothiazoles) | Pure ZMBT powder | โ Organic Chemical |
3824.99.90.00 |
Other prepared binding agents for foundry molds; chemical products not specified elsewhere | If mixed with binders | โ Not pure |
4004.00.00.00 |
Rubber waste and scrap; reconstituted rubber | If part of final rubber compound | โ Final Product |
๐ Key Reminder:
- Most Common HS Code:2934.99.90.00(or local 10-digit equivalent) for pure ZMBT.
- Do not classify as a pesticide or fertilizer unless specifically formulated as such.
- If the product is Zinc Dibutyl Dithiocarbamate (ZDBC) or other accelerators, the HS Code may differ. Ensure chemical name matches exactly.
๐ฐ ไธใ2026 Tariff Rate Analysis (Example: US Import from China)
โ Applicable Country: United States (US)
โ Origin: China (CN)
โ Product: Pure ZMBT (Organic Chemical)
๐ฏ 1. 2934.99.90.00 โโ Pure ZMBT (Organic Chemical)
| Item | Detail |
|---|---|
| Base MFN Rate | 5.3% (ad valorem) |
| Section 301 Additional Duty | +25% (if on HTSUS 301 List 4A) |
| IEEPA Additional Duty | +10% (if applicable to specific chemical categories) |
| Total Estimated Rate | ~40.3% (Check specific 2026 exclusions) |
| De Minimis Eligibility | โ No (Chemicals are generally excluded) |
| Legal Basis Path | USITC:2934.99.90.00 โ Section 301: Footnote 9903.88.01 |
๐ Explanation:
- Organic chemicals like ZMBT are often subject to Section 301 tariffs due to their strategic use in manufacturing.
- The 5.3% base rate is standard for non-listed organic chemicals, but the 25% additional duty can significantly impact costs.
- Verify Exclusions: Some chemical intermediates may have expired exclusions. Check the USTR exclusion list for 2026.
๐ ๏ธ ๅใCustoms Clearance Practical Advice (Avoid Pitfalls)
โ 1. Required Documentation Checklist
| Document | Mandatory | Description |
|---|---|---|
| โ Safety Data Sheet (SDS) | โ๏ธ | Must be ISO 11014 compliant; highlight hazard classes (e.g., Skin Irritant) |
| โ Certificate of Analysis (COA) | โ๏ธ | Confirm purity (e.g., โฅ98%) and CAS number (149-30-4) |
| โ Commercial Invoice | โ๏ธ | Clearly state "ZMBT Accelerator, Pure Chemical, CAS 149-30-4" |
| โ Bill of Lading | โ๏ธ | Ensure package count and weight match COA |
| โ Import License | โ๏ธ | Some countries require chemical import licenses for benzothiazoles |
โ 2. Declaration Tips (Key Mnemonic)
๐ฅ โPure Chemical, Not Rubber; CAS Number, No Rub!โ
| Scenario | Correct Declaration | Wrong Practice |
|---|---|---|
| Pure ZMBT Powder | 2934.99.90.00 |
โ Declare as 4004.00.00 (Rubber) โ High Tax Risk |
| ZMBT Mixed with Carbon Black | 3824.99.90.00 |
โ Declare as pure chemical โ Misclassification |
| ZMBT in Bulk Vessel | 2934.99.90.00 |
โ Use "General Chemical" โ Customs Delay |
โ 3. Special Handling
| Situation | Advice |
|---|---|
| Hazardous Class | ZMBT may be classified as Class 9 (Miscellaneous Dangerous Goods) if packed in certain quantities. Check IMDG/ADR codes. |
| EPA/REACH Compliance | In the EU, ensure REACH registration is completed. In the US, check TSCA compliance. |
| Anti-Dumping | Verify if your country of origin is subject to anti-dumping duties on benzothiazole derivatives. |
๐ ไบใGlobal Market Comparison (2026)
| Country/Region | Recommended HS Code | Tariff (Est.) | Certification | Notes |
|---|---|---|---|---|
| ๐บ๐ธ USA | 2934.99.90.00 |
~40% (with 301) | TSCA Certified | High scrutiny on chemical origin |
| ๐จ๐ณ China | 2934.99.90.00 |
6.5% | None | Standard import |
| ๐ช๐บ EU | 2934.99.90.00 |
0-6.5% | REACH Compliant | Must provide ECHA registration |
| ๐ฎ๐ณ India | 2934.99.90.00 |
10-15% | BIS Standards | Check anti-dumping if applicable |
๐ Conclusion:
- USA remains the most costly market due to Section 301 tariffs.
- EU requires strict REACH documentation.
- China and India have moderate tariffs but require clear chemical specifications.
๐ ๅ ญใCommon Mistakes & Pitfalls
โ Mistake 1: Declaring ZMBT as "Rubber Accelerator" without specifying itโs a pure chemical.
๐ Consequence: Customs may classify it under Chapter 40 (Rubber) or Chapter 38 (Miscellaneous), leading to incorrect tax rates.
โ Mistake 2: Ignoring Hazardous Material classification.
๐ Consequence: Shipment held at port for safety inspection; fines for non-compliance with IMDG/IATA.
โ Mistake 3: Providing incomplete SDS.
๐ Consequence: Rejection of entry; required to resubmit documents, causing delays.
โ Correct Practice:
โZMBT (Zinc 2-Mercaptobenzothiazole), Pure Chemical, CAS No. 149-30-4, โฅ98% Purity, for Rubber Vulcanization, Not Mixed with Rubber.โ
๐ฏ ไธใConclusion: Professional Declaration, Cost Efficiency!
๐ฏ Remember:
๐น โPure Chemical, Chapter 29; Mixed Rubber, Chapter 40.โ
๐น โAlways provide SDS and COA; avoid customs delays.โ
๐ Tip:
If importing to the US, verify if your specific HTS code has an expired exclusion. If not, consider supply chain diversification (e.g., sourcing from Vietnam or Malaysia) to avoid Section 301 tariffs.
๐ฃ Immediate Action:
๐ Contact a licensed customs broker + Provide SDS + Verify 301 Exclusions
๐ Ensure smooth clearance, avoid penalties, and optimize costs!
โจ Professional Clearance Starts with Accurate Classification!
๐ผ Your compliance is your competitive advantage!
Customer Reviews
About HS Code Classification
The Harmonized System (HS) is an internationally standardized nomenclature developed by the World Customs Organization (WCO) to classify traded products. Over 200 countries use the HS system as the basis for customs tariffs, trade statistics, and import/export regulations.
Each HS code follows a hierarchical structure:
- Chapter (2 digits) โ Broad category of goods (e.g., Chapter 84: Machinery and Mechanical Appliances)
- Heading (4 digits) โ More specific grouping within the chapter
- Subheading (6 digits) โ Internationally standardized breakdown, used by all WCO member countries
- National subdivisions (8-10 digits) โ Country-specific extensions for further classification, such as US HTSUS 10-digit codes
Correct HS code classification is essential for smooth customs clearance, accurate duty payment, and compliance with trade regulations. Misclassification can lead to customs delays, overpayment of duties, or penalties.
When importing from CN to US, the applicable tariff rates may include:
- Most-Favored-Nation (MFN) rate โ The standard duty rate applied to WTO members
- General rate โ Applied to countries without trade agreements
- Trade remedy duties โ Additional tariffs such as Section 301 (anti-dumping), Section 232 (national security), or countervailing duties
The information provided on this page is for reference purposes only. For official classification, please consult with your local customs authority or a licensed customs broker.