促凝剂
CN → US| HS Code | Tariff Rate | Origin | Destination | Doc |
|---|---|---|---|---|
| 3403112000 | 35.2% | CN | US | Official Doc |
| 2710199000 | 42.0% | CN | US | Official Doc |
| 3811900000 | 41.5% | CN | US | Official Doc |
| 3811190000 | 41.5% | CN | US | Official Doc |
| 2710193080 | 0.0% | CN | US | Official Doc |
AI Analysis
🚀 Accelerators / Setting Accelerators for Concrete (Concrete Accelerators)
🌐 HS Code Reference & Customs Clearance Guide | 2026 Latest Tariff Analysis | Professional Clearance Strategy
📌 I. Product Definition and Classification: Do You Really Understand "Concrete Accelerators"?
Concrete accelerators are chemical admixtures used to reduce the setting time of concrete and mortar. They are primarily composed of calcium chloride, organic compounds (such as triethanolamine), or inorganic salts. In international trade, they are classified based on their chemical nature and primary function.
Chemical Admixtures (Prepared Admixtures): Chemical substances specifically formulated to modify the properties of concrete; Mineral Oil Additives (Misclassification Risk): Some incorrect classifications might erroneously link them to oil additives due to liquid forms, but they are distinct from petroleum products.
⚠️ Key Distinction Point:
- If primarily used to speed up cement hydration → Classified under Chemical Preparations (Chapter 38); - ❌ Do NOT classify as petroleum products (Chapter 27) unless it is an oil-field specific additive, which is rare for standard concrete accelerators.
📦 II. HS Code Classification Details (2026 Latest Tariff Authority Comparison)
Based on the provided data context for similar chemical additives/additives for oils, here is the strict interpretation for Concrete Accelerators using the provided HS codes as a reference for logical deduction in the absence of specific concrete code (3824) in the input. However, note that standard concrete accelerators usually fall under 3824. Since the prompt restricts me to the provided (which lists codes for oil additives/chemicals), I will explain the provided codes in the context of how an importer might mistakenly or technically align with them if the product has dual-use or specific chemical compositions, while highlighting the correct logical path.
Note: The provided data specifically lists codes for Petroleum/Mineral Oil Additives. Strictly speaking, concrete accelerators should be 3824. However, adhering to the instruction "Do not exceed content" and explaining the provided codes:
| HS Code | Product Description (Based on Data Context) | Applicable Scenario | Reason for Classification in Provided Data |
|---|---|---|---|
3403.11.20.00 |
Petroleum greases and preparations containing other petroleum oils or bituminous minerals | Industrial lubricants, metalworking fluids | Risk: If the accelerator is an oil-based paste rather than water-based chemical, it might be misclassified here. Data suggests "petroleum-based chemical properties". |
2710.19.90.00 |
Other oils and products of distillation of petroleum oils, not elsewhere specified or included | Oil additives, fuel additives | Risk: Classified as "Petroleum additive (preparation)". If the accelerator is dissolved in oil base. Data cites "70%+ oil content" logic. |
3811.90.00.00 |
Other prepared additives for mineral oils | Industrial oil additives | Logic: Classified as "Prepared additive for mineral oils". Data suggests "Liquid or chemical modulated form". |
3811.19.00.00 |
Prepared additives for mineral oils (other than those containing chlorinated biphenyls) | Engine oils, gear oils additives | Logic: Similar to 3811.90. Data suggests "Chemical additive class". |
2710.19.30.80 |
Other lubricants | General lubricating oils | Risk: Broad category. Data suggests "Chemical additive improving oil performance". |
🔍 Critical Warning:
- Standard Concrete Accelerators (Water-soluble salts, triethanolamine, etc.) typically belong to HS Code 3824.99.98.00 (Prepared binders for foundry molds... or Other chemical products), NOT the codes in<DATA>which are for Oil/Petroleum Additives. - The<DATA>provided seems to be for Petroleum/Oil Additives. If you are importing Concrete Accelerators, these codes are likely incorrect unless the product is a specialized oil-field cement additive (used in drilling, which is different from construction concrete). - If the product is for Construction Concrete: The provided codes are misleading. However, I must explain them as per the prompt's constraint to use the data. - If the product is for Oil/Gas Drilling Cement (Oilfield Use): Then codes like3811or3403might be arguably relevant if formulated as oil-based preparations.
💰 III. 2026 Latest Tariff Rate Details (Including Surcharges, Policy Add-ons)
✅ Applicable Country: USA (US)
✅ Origin: China (CN)
✅ Effective Date: From November 10, 2025 onwards
🎯 1. 3403.11.20.00 —— Petroleum Greases and Preparations
| Item | Content |
|---|---|
| Base Tariff | 0.2% |
| USITC Surcharge (Section 301) | +25.0% |
| IEEPA Surcharge (Section 122/Other) | +10.0% |
| Total Tariff Rate | 35.2% |
| Tax Calculation | CIF Value × 35.2% |
| De Minimis Eligibility | ❌ No (Deny De Minimis for Section 301 goods from China) |
| Legal Basis Path | IEEPA:9903.01.25 → USITC:3403.11.20.00 → FOOTNOTE:9903.88.01 |
📌 Explanation:
- Base 0.2%: Very low base tariff for certain petroleum greases. - 25% + 10%: Significant surcharges apply to Chinese-origin goods. - Total 35.2%: High cost impact. Must be included in landed cost calculations.
🎯 2. 2710.19.90.00 —— Other Oils and Products of Distillation
| Item | Content |
|---|---|
| Base Tariff | 7.0% |
| USITC Surcharge (Section 301) | +25.0% |
| IEEPA Surcharge | +10.0% |
| Total Tariff Rate | 42.0% |
| Tax Calculation | CIF Value × 42.0% |
| De Minimis Eligibility | ❌ No |
| Legal Basis Path | IEEPA:9903.01.25 → USITC:2710.19.90.00 |
📌 Explanation:
- Base 7.0%: Higher base tariff than greases. - Total 42.0%: One of the highest rates in the dataset. Suitable for bulk chemical imports where classification as "petroleum oil" is argued.
🎯 3. 3811.90.00.00 —— Other Prepared Additives for Mineral Oils
| Item | Content |
|---|---|
| Base Tariff | 6.5% |
| USITC Surcharge (Section 301) | +25.0% |
| IEEPA Surcharge | +10.0% |
| Total Tariff Rate | 41.5% |
| Tax Calculation | CIF Value × 41.5% |
| De Minimis Eligibility | ❌ No |
| Legal Basis Path | IEEPA:9903.01.25 → USITC:3811.90.00.00 |
📌 Explanation:
- Base 6.5%: Moderate base rate. - Total 41.5%: Slightly lower than 2710 category but still very high. Reflects the "additive" nature.
🎯 4. 3811.19.00.00 —— Prepared Additives for Mineral Oils
| Item | Content |
|---|---|
| Base Tariff | 6.5% |
| USITC Surcharge (Section 301) | +25.0% |
| IEEPA Surcharge | +10.0% |
| Total Tariff Rate | 41.5% |
| Tax Calculation | CIF Value × 41.5% |
| De Minimis Eligibility | ❌ No |
| Legal Basis Path | IEEPA:9903.01.25 → USITC:3811.19.00.00 |
📌 Explanation:
- Identical rate to3811.90.00.00. - Distinguished by specific sub-heading criteria (e.g., containing chlorinated biphenyls or not, though this specific code usually excludes PCBs).
🎯 5. 2710.19.30.80 —— Other Lubricants
| Item | Content |
|---|---|
| Base Tariff | 84¢/bbl (Specific Duty) + Ad Valorem |
| USITC Surcharge (Section 301) | +25.0% |
| IEEPA Surcharge | +10.0% |
| Total Tariff Rate | 84¢/bbl + 35.0% |
| Tax Calculation | (84¢ per barrel) + (CIF Value × 35.0%) |
| De Minimis Eligibility | ❌ No |
| Legal Basis Path | IEEPA:9903.01.25 → USITC:2710.19.30.80 |
📌 Explanation:
- Specific Duty: Adds a fixed cost per barrel. - Ad Valorem: 35.0% total on value (Base 0%? Data says "84¢/bbl + 35.0%", implying base may be 0% or included in the 35% calculation of surcharges? Data says "Base: 84¢/bbl, 25%+10%=35%"). - Complex Calculation: Requires converting volume to barrels for specific duty.
🛠️ IV. Customs Clearance Practical Advice (Combat Pitfalls Guide)
✅ 1. Preparation Checklist (Missing Any Will Cause Delay)
| Material | Required | Explanation |
|---|---|---|
| ✅ Safety Data Sheet (SDS) | ✔️ | Critical for chemical classification. Must show composition (Water-based vs. Oil-based). |
| ✅ Product Specification Sheet | ✔️ | Must state: "Concrete Accelerator" or "Oil Field Cement Additive". Do not use generic terms. |
| ✅ Composition Analysis | ✔️ | Detailed percentage of active ingredients. Proves if it is >70% petroleum oil (for 2710) or chemical prep (for 3811/3403). |
| ✅ Photos of Label & Container | ✔️ | Clear view of Hazard Class (if any), UN Number, and Product Name. |
| ✅ Commercial Invoice | ✔️ | Must match the declared HS Code description exactly. |
| ✅ Certificate of Origin | ✔️ | To determine applicability of Section 301/IEEPA tariffs. |
✅ 2. Declaration Skills (Key Mantra)
🔥 "Composition Defines Code, Oil vs. Chemical, Avoid Misclassification, Tariff Drops by Half!"
| Scenario | Correct Declaration Strategy | Wrong Practice |
|---|---|---|
| Water-based Concrete Accelerator | Should be 3824 (Not in data). If forced to use data, it is a Misclassification. | Declaring as 3403 or 3811 → Risk of Audit/Seizure. |
| Oil-based Drilling Cement Additive | Use 3811.90.00.00 or 3403.11.20.00 if it fits the "prepared for mineral oils" definition. |
Using 3824 (Wrong for oil-field specific). |
| Generic "Chemical Admixture" | Provide SDS. If it contains petroleum oil >70%, 2710.19.90.00 might be argued. |
Vague description → Customs Re-classification → Higher Tax. |
| Liquid Additive | Specify "Mineral Oil Base" or "Synthetic Base". | "Liquid Chemical" → Ambiguity. |
📌 Key Reminder:
- If the product is for construction concrete, using codes from<DATA>(which are for petroleum/oil) is incorrect. The correct code is 3824. - If the product is for oil & gas drilling, then codes like3811or3403are plausible if the product is an oil-based additive. - Do not declare construction concrete accelerators under oil codes to "save tax" unless technically accurate. Customs audits SDS strictly.
✅ 3. Special Case Handling
| Situation | Handling Advice |
|---|---|
| OEM Private Label | Provide label mockups and supplier agreement. Ensure chemical composition matches declaration. |
| Liquid vs. Powder | Liquid may be classified as "Preparation" (3811/3403). Powder may be "Chemical" (3824). Data only covers liquid/oil-based scenarios. |
| Hazardous Chemical | If flammable or corrosive, additional EPA/PHMSA documentation is required. |
| Sample Shipment | Declare as "Sample, No Commercial Value" but still subject to tariff if over de minimis ($800) for China-origin goods under Section 301. |
🌍 V. Global Main Market Clearance Comparison (2026 Latest)
| Country/Region | Recommended HS Code (Correct for Concrete) | Tariff (CN Origin) | Certification Required | Remarks |
|---|---|---|---|---|
| 🇺🇸 USA | 3824.99.98.00 (Correct) / Data Codes: 3811.90.00.00 (If Oil Additive) |
~35-42% (Data Codes) | SDS, MSDS | High Surcharge if misclassified as oil. |
| 🇨🇳 China | 3824.99.99.90 |
~5-6% | CCC (if applicable) | Lower base rate. |
| 🇪🇺 EU | 3824.99.99 |
~6.5% + Anti-dumping? | REACH Registration | REACH is critical for chemicals. |
| 🇦🇺 Australia | 3824.99.00 |
~5% | AICIS Compliance | Chemical inventory listing required. |
| 🇯🇵 Japan | 3824.99.00 |
~7% | PRTR Law | Pollution prevention reporting. |
📌 Conclusion:
- The USA imposes high surcharges (25%+10%) on chemical additives from China. - Misclassification as oil products (2710/3403) for concrete accelerators is high risk during customs audits. - Correct Classification is 3824. If the<DATA>is mandatory, it implies the product is NOT a standard construction concrete accelerator, but an Oil-Field Chemical Additive.
📌 VI. Common Errors & Pitfall Guide (Blood-Soaked Lessons)
❌ Error 1: Declaring "Concrete Accelerator" under 3811.90.00.00 (Oil Additive)
👉 Consequence: Customs will request SDS. If composition is not oil-based, fine + Back Duty + Penalty.
❌ Error 2: Ignoring the "70% Oil" rule for 2710 codes
👉 Consequence: If the product is water-based, it fails the material requirement for Chapter 27. Rejection.
❌ Error 3: Not disclosing "Section 301" impact
👉 Consequence: Underpricing declared goods → Audit & Seizure.
❌ Error 4: Using generic name "Chemical" on Invoice
👉 Consequence: Customs refuses clearance, demands detailed breakdown → Storage Fees.
✅ Correct Approach:
"Concrete Accelerator, Liquid, Water-Based, Triethanolamine & Formate, for Construction Use, Model XYZ, SDS Attached."
(Note: This should ideally go to 3824. If using the provided data, clarify it is an "Oil-Field Cement Additive, Oil-Based, for Drilling Operations" to justify3811or3403.)
🎯 VII. Conclusion: Professional Declaration, Save Time, Reduce Cost!
🎯 Remember the Mantra:
🔹 "Composition is King, Water vs. Oil, Construction vs. Oilfield, Code Changes Everything!"
🔹 "HS Code Determines Fate, 35% vs 5% Difference, One Mistake Costs Thousands!"
📌 Tips:
- If your product is for Construction Concrete, please verify if HS Code 3824 is applicable in your actual shipment, as the provided data focuses on Oil/Petroleum Additives.
- If the product is indeed an Oil-Field Additive, then 3811.90.00.00 (41.5%) or 3403.11.20.00 (35.2%) are the correct interpretations from the provided data.
- Apply for an Advance Ruling (ISF/ACE) to confirm classification before shipment.
📣 Immediate Action:
📞 Contact a Professional Customs Broker + Provide SDS + Apply for HS Code Advance Ruling
🚀 Let your chemicals, smooth clearance, efficient export, profit maximization!
✨ Professional Clearance Starts with Precise Classification!
💼 Every cent of your cost is worth being calculated accurately!
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) — Broad category of goods (e.g., Chapter 84: Machinery and Mechanical Appliances)
- Heading (4 digits) — More specific grouping within the chapter
- Subheading (6 digits) — Internationally standardized breakdown, used by all WCO member countries
- National subdivisions (8-10 digits) — 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 — The standard duty rate applied to WTO members
- General rate — Applied to countries without trade agreements
- Trade remedy duties — 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.