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Anti explosion Agent Mixture

CN → US
HS编码 关税税率 原产国 目的国 文档
3811190000 41.5% CN US 官方文档
3824992900 41.5% CN US 官方文档
3824993990 35.0% CN US 官方文档
3824993990 35.0% CN US 官方文档
3808993000 35.0% CN US 官方文档

商品图片

AI分析

💥 Anti-Explosion Agent Mixture (Explosive Inhibitors)


🌐 HS Code Reference & Customs Clearance Guide | 2026 Latest Tariff Analysis | Professional-Level通关 Strategy
📌 I. Product Definition & Classification: Do You Really Understand "Anti-Explosion Agents"?

Anti-Explosion Agent Mixtures are chemical additives designed to suppress or prevent explosions in industrial environments, particularly in mining, petrochemicals, and grain processing. In international trade, they are broadly categorized as chemical mixtures, but their specific classification depends heavily on their primary function, chemical composition, and form.

⚠️ Key Distinction Points:
- If primarily used as an anti-detonation additive for fuels (e.g., in gasoline/oil) → Likely 3811.19.00.00;
- If used as a general preservative/chemical inhibitor (non-fuel specific) → Likely 3824.99.29.00 or 3824.99.39.90;
- If classified as a biocide/disinfectant with preservative functions → Likely 3808.99.30.00.


📦 II. HS Code Classification Details (2026 Latest Tariff Authority Comparison)

HS Code Product Description Application Scenario Composition/Form
3811.19.00.00 Anti-knock/Anti-explosion mixtures, based on mineral oil Fuel additives, engine lubricants Liquid/Mineral Oil-based
3824.99.29.00 Other prepared chemical products, not elsewhere specified General chemical inhibitors, preservatives Mixture/Chemical制剂
3824.99.39.90 Other prepared chemical products, inorganic compound mixtures Inorganic chemical inhibitors Inorganic Mixture
3808.99.30.00 Other disinfectants and bactericides, not aerosols Biocidal preservatives, antifungal agents Liquid/Solid Mixture

🔍 Key Reminder:
- Fuel-related anti-explosion agents fall under 3811;
- General chemical inhibitors fall under 3824 (Subheading 99);
- Biocidal preservatives fall under 3808.
- Do not misclassify a general chemical mixture as a fuel additive unless it is explicitly for engine use!


💰 III. 2026 Latest Tariff Rate Breakdown (Including Additional Taxes & Policy Surcharges)

Applicable Country: United States (US)
Country of Origin: China (CN)
Effective Date: From November 10, 2025 (including subsequent imports)

🎯 1. 3811.19.00.00 —— Anti-Explosion Mixtures, Based on Mineral Oil (Fuel Additives)

Item Content
Basic Tariff Rate 6.5% (ad valorem)
Section 301 Additional Tariff +25.0% (from USITC Footnote 9903.38.11.19)
Section 122 Tariff (IEEPA) +10.0% (Targeting China/Hong Kong Products)
Total Tax Rate 41.5%
Tax Calculation CIF Value × 41.5%
De Minimis Exemption Eligible? No (deny_de_minimis)
Legal Basis Path IEEPA:9903.01.25IEEPA:9903.01.24USITC:3811.19.00.00FOOTNOTE:9903.38.11

📌 Explanation:
- "6.5% Base Tariff": Standard Most Favored Nation (MFN) rate for fuel additives;
- "25% Section 301 Tariff": Imposed under U.S. Trade Act Section 301 for specific Chinese goods;
- "10% IEEPA Tariff": Additional levy under International Emergency Economic Powers Act;
- Total 41.5% is a high-cost tariff, requiring prior risk assessment!


🎯 2. 3824.99.29.00 —— Other Prepared Chemical Products (General Preservative/Inhibitor Mixtures)

Item Content
Basic Tariff Rate 6.5% (ad valorem)
Section 301 Additional Tariff +25.0%
Section 122 Tariff (IEEPA) +10.0%
Total Tax Rate 41.5%
Tax Calculation CIF × 41.5%
De Minimis Exemption Eligible? No (deny_de_minimis)
Legal Basis Path IEEPA:9903.01.25IEEPA:9903.01.24USITC:3824.99.29.00FOOTNOTE:9903.38.24

📌 Note:
- Same tariff structure as 3811.19.00.00;
- Applies to non-fuel-specific chemical mixtures that do not fall under other specific subheadings;
- Commonly used for industrial preservatives or chemical stabilizers.


🎯 3. 3824.99.39.90 —— Other Prepared Chemical Products, Inorganic Compound Mixtures

Item Content
Basic Tariff Rate 0.0% (ad valorem)
Section 301 Additional Tariff +25.0%
Section 122 Tariff (IEEPA) +10.0%
Total Tax Rate 35.0%
Tax Calculation CIF × 35.0%
De Minimis Exemption Eligible? No (deny_de_minimis)
Legal Basis Path IEEPA:9903.01.25IEEPA:9903.01.24USITC:3824.99.39.90FOOTNOTE:9903.38.24

📌 Key Advantage:
- Lower total tariff (35%) compared to 41.5% due to 0% base tariff;
- Applicable only if the mixture is explicitly inorganic (e.g., metal salts, inorganic inhibitors);
- Must provide chemical composition proof to justify inorganic classification.


🎯 4. 3808.99.30.00 —— Other Disinfectants and Bactericides (Biocidal Preservatives)

Item Content
Basic Tariff Rate 0.0% (ad valorem)
Section 301 Additional Tariff +25.0%
Section 122 Tariff (IEEPA) +10.0%
Total Tax Rate 35.0%
Tax Calculation CIF × 35.0%
De Minimis Exemption Eligible? No (deny_de_minimis)
Legal Basis Path IEEPA:9903.01.25IEEPA:9903.01.24USITC:3808.99.30.00FOOTNOTE:9903.38.08

📌 Key Advantage:
- Also benefits from 0% base tariff;
- Applicable if the "anti-explosion" function is secondary to biocidal/disinfectant purposes (e.g., fungal preservatives);
- Requires efficacy test reports to prove biocidal function.


🛠️ IV. Customs Clearance Practical Advice (Battle-Tested Pitfall Avoidance Guide)

✅ 1. Preparation Checklist (All Documents Mandatory)

Document Required Explanation
Product Specification Sheet ✔️ Must include CAS numbers, chemical composition, concentration, and primary function
Safety Data Sheet (SDS) ✔️ Mandatory for chemical mixtures; must indicate hazardous nature
Formula/Composition List ✔️ Critical for determining between 3811 (fuel), 3824 (general), or 3808 (biocide)
Third-Party Test Report ✔️ Efficacy tests for anti-explosion, preservative, or biocidal claims
Commercial Invoice ✔️ Must clearly state "Anti-Explosion Agent Mixture" or specific chemical name
Packing List ✔️ Detail net/gross weight, volume, and packaging type

✅ 2. Declaration Tips (Key Mantras)

🔥 "Function First, Formula Second, Name Precise, Tariff Reduced!"

Scenario Correct Declaration Wrong Practice
Fuel additive (engine use) 3811.19.00.00 Misdeclare as "chemical inhibitor" → 41.5% vs 41.5% (no difference, but compliance risk)
General chemical inhibitor 3824.99.29.00 Misdeclare as "fuel additive" → 41.5% (correct rate, but wrong classification)
Inorganic mixture 3824.99.39.90 Fail to prove inorganic composition → 41.5% instead of 35%
Biocidal preservative 3808.99.30.00 Fail to prove biocidal efficacy → 41.5% instead of 35%

✅ 3. Special Case Handling

Scenario Handling Advice
Multi-Function Product (e.g., preservative + anti-explosion) Declare based on primary function; provide test reports to support claim
Unmarked/Unknown Composition Cannot import; HS classification requires known composition
OEM Custom Formulation Provide customer order + formulation design; avoid generic names
Liquids vs. Solids Clearly state physical form; affects packaging and hazard classification

🌍 V. Global Market Customs Comparison (2026 Latest)

Country/Region Recommended HS Code Tariff Certification Remarks
🇺🇸 USA 3811.19.00.00 / 3824.99.29.00 41.5% TSCA, EPA (if biocide) High tariffs due to Section 301 + IEEPA
🇨🇳 China 3811.19.00.00 / 3824.99.29.00 6.5% ~ 8% CCC (if industrial) No additional US tariffs
🇪🇺 EU 3824.99.99 / 3808.99 0% ~ 5% REACH, CLP No Section 301; REACH registration mandatory
🇬🇧 UK 3824.99.99 / 3808.99 0% ~ 5% UK REACH Post-Brexit regulations apply
🇦🇺 Australia 3824.99.99 / 3808.99 5% AICIS No additional tariffs

📌 Conclusion:
- USA imposes the highest tariffs (41.5% or 35%) due to trade policies;
- EU/UK/AU have lower base tariffs but stricter chemical regulations (REACH, UK REACH);
- China production costs may be offset by high US tariffs; consider supply chain diversification.


📌 VI. Common Mistakes & Pitfall Guide (Lessons Learned)

Mistake 1: Declaring a fuel additive as a general chemical to avoid "fuel-related" scrutiny
👉 Consequence: Customs may reclassify and impose penalties + back taxes;
👉 Truth: Both 3811 and 3824 have 41.5% total tariff for China-origin, so no savings, only compliance risk.

Mistake 2: Failing to provide SDS or Formula
👉 Consequence: Customs will delay clearance or reject the shipment;
👉 Fix: Always include SDS and detailed composition.

Mistake 3: Misclassifying inorganic mixtures as organic/general
👉 Consequence: Pay 41.5% instead of 35%;
👉 Fix: Provide chemical analysis reports to prove inorganic nature for 3824.99.39.90.

Mistake 4: Using vague names like "Chemical Mixture" without function description
👉 Consequence: Customs may assign a default high tariff or require additional documentation;
👉 Fix: Use precise names like "Anti-Explosion Agent for Mining, Inorganic, Liquid".

Correct Declaration Example:

"Anti-Explosion Agent Mixture, Inorganic Composition, Liquid Form, for Industrial Use, Model XYZ, SDS Provided"


🎯 VII. Conclusion: Professional Declaration Saves Time and Money!

🎯 Remember the Mantras:

🔹 "Function First, Formula Second, Name Precise, Tariff Reduced!"
🔹 "HS Code Determines Destiny, Tariff Difference is Critical, One Step Wrong, Thousands in Penalties!"


📌 Pro Tip:
- If your product is originally from Vietnam, Mexico, Thailand, or Malaysia, you may qualify for IEEPA Exemption, reducing tariffs to 0%~5%;
- Recommend applying for Advance Ruling (Pre-classification) with U.S. Customs to avoid clearance risks.


📣 Take Action Now:

📞 Contact a Professional Customs Broker + Provide Product Images + Apply for HS Code Advance Ruling
🚀 Ensure Your Anti-Explosion Agents Clear Customs Smoothly, Efficiently Export, and Maximize Profits!


Professional Clearance Starts with Accurate Classification!
💼 Every Cent of Your Cost Deserves to Be Precisely Calculated!

用户评价

关于 HS 编码归类

协调制度(HS)是由世界海关组织(WCO)制定的国际贸易商品分类标准。全球 200 多个国家采用 HS 系统作为海关关税、贸易统计和进出口监管的基础。

每个 HS 编码遵循以下层级结构:

  • 章(2 位)——商品大类(例如:第 84 章:机器和机械设备)
  • 品目(4 位)——章内的更具体分类
  • 子目(6 位)——国际通用细分,所有 WCO 成员国统一使用
  • 本国细分(8-10 位)——各国自行扩展的细分编码,如美国 HTSUS 10 位编码

正确的 HS 编码归类对于顺利通关、准确缴纳关税和遵守贸易法规至关重要。错误归类可能导致海关延误、多缴关税或罚款。

CN进口到US时,适用的关税税率可能包括:

  • 最惠国(MFN)税率——适用于 WTO 成员国的标准关税税率
  • 普通税率——适用于无贸易协定国家
  • 贸易救济关税——附加关税,如 301 条款(反倾销)、232 条款(国家安全)或反补贴税

本页内容仅供参考。如需正式归类,请咨询当地海关或持牌报关代理。