Concrete Chemical Corrosion Resistance Additive
CN → US| HS编码 | 关税税率 | 原产国 | 目的国 | 文档 |
|---|---|---|---|---|
| 3403191000 | 35.2% | CN | US | 官方文档 |
| 3824405000 | 40.0% | CN | US | 官方文档 |
| 3403195000 | 40.8% | CN | US | 官方文档 |
| 3824402000 | 35.0% | CN | US | 官方文档 |
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AI分析
🏗️ Concrete Chemical Corrosion Resistance Additive
🌐 HS Code Reference & Customs Clearance Guide | 2026 Latest Tariff Full Analysis | Professional Clearance Strategy
📌 I. Product Definition & Classification: Do You Really Understand "Concrete Anti-Corrosion Additives"?
Concrete Chemical Corrosion Resistance Additives are specialized chemical formulations designed to protect concrete structures from chemical attacks (such as sulfuric acid, chlorides, or sulfates) and environmental degradation. In international trade, these products are typically classified based on their primary function and chemical composition.
There are two main classification paths: 1. Lubricating/Preservative Preparations (Chapter 34): If the additive functions primarily as a preservative, penetrant, or contains petroleum/mineral oil-based components for corrosion inhibition. 2. Prepared Binders/Concrete Admixtures (Chapter 38): If the additive is specifically formulated as a binder, mold-release agent, or concrete preparation that modifies the chemical properties of cement/mortar/concrete.
⚠️ Key Distinction Point:
- If the product is a petroleum-oil-based corrosion inhibitor or penetrant → Classify under Chapter 34 (3403.19)
- If the product is a cement/concrete-specific chemical admixture (organic/inorganic chemical preparation for concrete) → Classify under Chapter 38 (3824.40)
📦 2. HS Code Classification Details (2026 Latest Tariff Authority Comparison)
| HS Code | Product Description | Application Scenario | Composition Type |
|---|---|---|---|
3403.19.10.00 |
Lubricating preparations containing petroleum oils, other | Penetrating corrosion inhibitors, oil-based concrete sealers | ✅ Petroleum Oil-based |
3824.40.50.00 |
Prepared binders for mold casting, concrete preparations | Concrete anti-corrosion admixtures, cement additives | ✅ Chemical Concrete Additive |
3403.19.50.00 |
Lubricating preparations containing petroleum oils or mineral oils, other | General petroleum-based preservatives for construction materials | ✅ Petroleum/Mineral Oil |
3824.40.20.00 |
Prepared mold-release agents, other prepared concrete binders | Specific concrete preparation additives, organic/inorganic chemical blends | ✅ Chemical Concrete Binder |
🔍 Key Reminder:
- If the product is explicitly labeled as a "Concrete Admixture" or "Binders" and is chemically formulated for cement interaction → 3824.40 is the more accurate classification. - If the product is a "Preservative" or "Lubricant" with petroleum content used to coat or protect concrete → 3403.19 is applicable. - Misclassification Risk: Declaring a concrete-specific chemical admixture under Chapter 34 may lead to customs scrutiny, as Chapter 38 is more specific to concrete preparations.
💰 3. 2026 Latest Tariff Rate Details (Including Additional Taxes & Policy Surcharges)
✅ Applicable Country: United States (US)
✅ Origin: China (CN)
✅ Effective Date: November 10, 2025 onwards (including subsequent imports)
🎯 1. 3403.19.10.00 – Lubricating Preparations with Petroleum Oils
| Item | Content |
|---|---|
| Base Tariff Rate | 0.2% (ad valorem) |
| Section 301 Tariff (Additional) | +25.0% |
| Section 122 Tariff (Additional) | +10.0% |
| Total Tariff Rate | 35.2% |
| Tax Calculation | CIF Value × 35.2% |
| De Minimis Exemption Eligible? | ❌ No (deny_de_minimis) |
| Legal Basis Path | USITC:3403.19.10.00 → SECTION_301:25% → SECTION_122:10% |
📌 Explanation:
- The 0.2% base tariff is the standard Most Favored Nation (MFN) rate for this specific subheading. - The 25% Section 301 tariff applies to all Chinese-origin goods in this category. - The 10% Section 122 tariff is an additional surcharge on Chinese imports. - Total 35.2% is a high-cost entry barrier; precise documentation is required to justify the HS code.
🎯 2. 3824.40.50.00 – Concrete Preparations (Chemical Admixtures)
| Item | Content |
|---|---|
| Base Tariff Rate | 5.0% (ad valorem) |
| Section 301 Tariff (Additional) | +25.0% |
| Section 122 Tariff (Additional) | +10.0% |
| Total Tariff Rate | 40.0% |
| Tax Calculation | CIF Value × 40.0% |
| De Minimis Exemption Eligible? | ❌ No (deny_de_minimis) |
| Legal Basis Path | USITC:3824.40.50.00 → SECTION_301:25% → SECTION_122:10% |
📌 Note:
- This classification assumes the product is a prepared binder or concrete-specific chemical. - The 5.0% base tariff is higher than 3403.19.10, but the total rate is still competitive if the product is clearly a concrete admixture. - Crucial: Must provide Technical Data Sheets (TDS) proving it is a "concrete preparation" and not just a general lubricant.
🎯 3. 3403.19.50.00 – Other Lubricating Preparations with Petroleum/Mineral Oils
| Item | Content |
|---|---|
| Base Tariff Rate | 5.8% (ad valorem) |
| Section 301 Tariff (Additional) | +25.0% |
| Section 122 Tariff (Additional) | +10.0% |
| Total Tariff Rate | 40.8% |
| Tax Calculation | CIF Value × 40.8% |
| De Minimis Exemption Eligible? | ❌ No (deny_de_minimis) |
| Legal Basis Path | USITC:3403.19.50.00 → SECTION_301:25% → SECTION_122:10% |
📌 Note:
- This is the "Other" category under 3403.19 if the product doesn't fit the specific 10.00 subheading. - Total rate is 40.8%, the highest among the petroleum-based options.
🎯 4. 3824.40.20.00 – Prepared Mold-Release Agents / Other Concrete Binders
| Item | Content |
|---|---|
| Base Tariff Rate | 0.0% (ad valorem) |
| Section 301 Tariff (Additional) | +25.0% |
| Section 122 Tariff (Additional) | +10.0% |
| Total Tariff Rate | 35.0% |
| Tax Calculation | CIF Value × 35.0% |
| De Minimis Exemption Eligible? | ❌ No (deny_de_minimis) |
| Legal Basis Path | USITC:3824.40.20.00 → SECTION_301:25% → SECTION_122:10% |
📌 Note:
- Lowest Base Tariff (0.0%) among all options. - Total Rate 35.0% is the most competitive if the product can be classified as a "prepared mold-release agent" or "other concrete binder." - Risk: Customs may challenge this classification if the product is clearly a corrosion inhibitor rather than a mold-release agent.
🛠️ 4. Customs Clearance Practical Advice (Real-World Pitfall Avoidance Guide)
✅ 1. Required Documentation List (All Essential)
| Document | Required | Explanation |
|---|---|---|
| ✅ Technical Data Sheet (TDS) | ✔️ | Must specify chemical composition, pH, and intended use (e.g., "Concrete Anti-Corrosion Admixture") |
| ✅ Safety Data Sheet (SDS) | ✔️ | Required for chemical imports; check Hazard Class and UN Number |
| ✅ Product Label/Photos | ✔️ | Clear images of packaging, batch number, and warning labels |
| ✅ Commercial Invoice | ✔️ | Must state "Chemical Corrosion Resistance Additive for Concrete" |
| ✅ Packing List | ✔️ | Detail net/gross weight and dimensions |
| ✅ Certificate of Origin | ✔️ | Required to determine applicability of Section 301/122 tariffs |
| ✅ Import License (If Applicable) | ✔️ | Some chemicals may require EPA or other agency pre-approval |
✅ 2. Declaration Tips (Key Mnemonics)
🔥 “Concrete Admixture = 3824.40, Petroleum Inhibitor = 3403.19”
| Scenario | Correct Declaration | Incorrect Practice |
|---|---|---|
| Product is a chemical admixture for concrete mix | 3824.40.xxxx |
Misdeclare as "Lubricant" → 35.2% or 40.8% |
| Product is an oil-based sealant/coating for concrete | 3403.19.xxxx |
Misdeclare as "Concrete Admixture" → Risk of rejection |
| Product is a mold-release agent for precast concrete | 3824.40.20.00 |
Declare as "General Chemical" → Higher scrutiny |
| Product contains petroleum distillates | 3403.19.10.00 or 3403.19.50.00 |
Hide petroleum content → Fraud risk |
✅ 3. Special Cases Handling
| Scenario | Handling Advice |
|---|---|
| OEM Private Label | Provide brand authorization letter; ensure TDS matches the declared HS code |
| Mixed Shipments | Separate declarations for Chapter 34 and Chapter 38 items; do not mix |
| High-Volume Importer | Apply for Advance Ruling from CBP to lock in HS classification |
| Chemical Exemption | Check if product qualifies for any EPA exemptions or industrial use exclusions |
🌍 5. Global Major Market Comparison (2026 Latest)
| Country/Region | Recommended HS Code | Tariff Rate | Certification Requirements | Notes |
|---|---|---|---|---|
| 🇺🇸 United States | 3824.40.20.00 or 3403.19.10.00 |
35.0% - 40.8% | EPA Registration, TSCA Compliance | High scrutiny on chemical composition |
| 🇨🇳 China | 3824.40 or 3403.19 |
5% - 8% | CCC (if applicable), SDS | No Section 301/122 tariffs |
| 🇪🇺 European Union | 3824.40 or 3403.19 |
4% - 6% | REACH Registration, CLP Labeling | Strict chemical regulations |
| 🇬🇧 United Kingdom | 3824.40 or 3403.19 |
4% - 6% | UKCA Marking, REACH (UK) | Post-Brexit rules apply |
| 🇦🇺 Australia | 3824.40 or 3403.19 |
5% | AICIS Registration | Chemical inventory requirements |
📌 Conclusion:
- USA imposes the highest total tariffs (35-40%) due to Section 301 and 122 surcharges. - China and EU have much lower base tariffs, but strict chemical compliance (REACH, TSCA) adds administrative costs. - Strategy: Optimize HS classification based on product formulation to minimize duties where possible.
📌 6. Common Errors & Pitfall Guide (Lessons from Experience)
❌ Mistake 1: Declaring all concrete chemicals under one HS code regardless of composition
👉 Consequence: Customs may audit and reclassify, leading to back taxes + penalties.
❌ Mistake 2: Ignoring Section 122 tariffs in cost calculation
👉 Consequence: Profit margin erosion; unexpected 10% surcharge on every shipment.
❌ Mistake 3: Incomplete Technical Data Sheets (TDS)
👉 Consequence: Customs cannot verify the HS code → Shipment held for inspection → Delays and storage fees.
❌ Mistake 4: Mislabeling as "Lubricant" when it is a "Concrete Admixture"
👉 Consequence: Incorrect duty assessment; potential fraud allegations if intentional.
✅ Best Practice:
"Concrete Chemical Corrosion Resistance Additive, Chemical Composition: [List Ingredients], Intended Use: Anti-Corrosion for Cement-Based Structures, HS Code: [3824.40.20.00 / 3403.19.10.00]"
🎯 7. Conclusion: Professional Declaration, Save Time, Reduce Costs!
🎯 Remember the Mnemonics:
🔹 "Concrete Admixture = 3824.40, Petroleum Inhibitor = 3403.19"
🔹 "Base Tariff + 25% + 10% = Total Duty, Don't Forget the Surcharge!"
🔹 "HS Code Determines Duty, TDS Proves Classification, Declaration Must Be Precise!"
📌 Pro Tip:
If your product originates from Vietnam, Mexico, Thailand, or Malaysia, you may qualify for IEEPA Exemptions or lower Section 301 rates (0%~5%).
Recommendation: Apply for Advance Ruling (CBP) and REACH/TSCA Compliance beforehand to avoid clearance risks.
📣 Immediate Action:
📞 Contact Professional Customs Broker + Provide Product TDS + Apply for HS Code Advance Ruling
🚀 Ensure your concrete additives pass customs smoothly, maximize efficiency, and protect profits!
✨ Professional Clearance Begins with Precise Classification!
💼 Every Dollar of Your Cost Deserves Accurate Calculation!
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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。
从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。