metal rust remover
CN → US| HS编码 | 关税税率 | 原产国 | 目的国 | 文档 |
|---|---|---|---|---|
| 3810100000 | 40.0% | CN | US | 官方文档 |
| 3810905000 | 40.0% | CN | US | 官方文档 |
| 3814005010 | 41.0% | CN | US | 官方文档 |
| 3824994900 | 41.5% | CN | US | 官方文档 |
| 3824995500 | 38.7% | CN | US | 官方文档 |
商品图片
AI分析
🧪 Metal Rust Remover (Metal Surface Chemical Treatment Preparations)
🌐 HS Code Reference & Customs Clearance Guide | 2026 Latest Tariff Analysis | Professional Level Customs Strategy
📌 I. Product Definition & Classification: Do You Really Understand "Metal Rust Removers"?
Metal rust removers are chemical preparations specifically designed to remove oxidation (rust) from metal surfaces through chemical reactions (typically acid-based or chelating agents). In international trade, they fall under Chapter 38: Miscellaneous Chemical Products.
However, not all "rust removers" are classified identically. The key distinction lies in: 1. Active Ingredients: Is it a simple acid mixture, a complex organic solvent, or a halogenated hydrocarbon? 2. Function: Is it purely for cleaning/rusting, or is it a solvent/diluent for other processes? 3. Composition: Is it a homogeneous solution or a mixture of hydrocarbons?
⚠️ Key Classification Point:
- If the product is primarily an acidic or inorganic preparation for descaling/rusting →归入 3810 Series
- If the product is primarily an organic solvent or diluent for degreasing →归入 3814.00
- If the product is a complex hydrocarbon mixture or halogenated hydrocarbon not specified elsewhere →归入 3824 Series
📦 II. HS Code Classification Details (2026 Latest Tariff Authority对照)
Based on the provided data <DATA>, here are the four possible HS Codes for Metal Rust Removers, depending on their exact chemical composition:
| HS Code | Product Description | Application Scenario | Key Chemical Characteristic | Total Tax Rate |
|---|---|---|---|---|
3810.10.00.00 |
Metal surface chemical treatment preparations, used for rust removal | General-purpose industrial rust removers, acidic descalers | Acidic/Inorganic chemical preparation | 40.0% |
3810.90.50.00 |
Pickling preparations for metal surfaces, classified as chemical preparations | Heavy-duty acid pickling agents, strong acid mixtures | Strong acid-based pickling agent | 40.0% |
3814.00.50.10 |
Organic composite solvents and diluents, used for metal degreasing | Solvent-based rust removers, oil & rust combination cleaners | Organic solvent/diluent mixture | 41.0% |
3824.99.49.00 |
Chemical products for the chemical industry, mixtures composed of hydrocarbons | Complex hydrocarbon-based rust inhibitors or cleaners | Hydrocarbon mixture | 41.5% |
3824.99.55.00 |
Other halogenated hydrocarbon mixtures, classified as chemical preparations | Halogenated solvent-based rust removers | Halogenated hydrocarbon mixture | 38.7% |
🔍 Important Reminder:
- Most common "Rust Removers" (acid-based) fall under 3810.
- Solvent-based cleaners (oil/rust removal) fall under 3814.
- Specialty chemical mixtures (hydrocarbons/halogenated) fall under 3824.
- Do NOT misdeclare a solvent-based product as an acid-based one, or vice versa, as the tax base and regulatory requirements differ.
💰 III. 2026 Latest Tariff Rate Breakdown (Including Surtaxes & Policy Add-ons)
✅ Applicable Country: United States (US)
✅ Country of Origin: China (CN)
✅ Effective Date: 2025 onwards (subject to current trade policies)
The total tax rate includes three components:
1. Base Tariff: Standard MFN rate.
2. Surtax (Section 301): Additional 25% duty on many Chinese chemical products.
3. Section 122 Tariff: Additional 10% tariff under specific trade provisions (as per provided data <DATA>).
🎯 1. 3810.10.00.00 & 3810.90.50.00 – Metal Surface Chemical Treatments
| Item | Content |
|---|---|
| Base Tariff | 5.0% (ad valorem) |
| Section 301 Surtax | +25.0% |
| Section 122 Tariff | +10.0% |
| Total Tax Rate | 40.0% |
| Tax Calculation | CIF Value × 40% |
| De Minimis Exemption | ❌ Not Eligible (Most chemical products from China are excluded from de minimis benefits under Section 321) |
| Legal Basis Path | HTSUS:3810 → Section 301 Footnote → Section 122 Provision |
📌 Explanation:
- These are standard acid-based rust removers.
- The 25% Section 301 tariff is critical and applies to most chemical preparations from China.
- The 10% Section 122 tariff adds further cost, bringing the total to 40%.
🎯 2. 3814.00.50.10 – Organic Composite Solvents & Diluents
| Item | Content |
|---|---|
| Base Tariff | 6.0% (ad valorem) |
| Section 301 Surtax | +25.0% |
| Section 122 Tariff | +10.0% |
| Total Tax Rate | 41.0% |
| Tax Calculation | CIF Value × 41% |
| De Minimis Exemption | ❌ Not Eligible |
| Legal Basis Path | HTSUS:3814 → Section 301 Footnote → Section 122 Provision |
📌 Explanation:
- This applies if the rust remover is solvent-based (e.g., contains organic solvents for degreasing).
- Slightly higher total tax (41%) due to a higher base tariff (6% vs 5%).
🎯 3. 3824.99.49.00 – Hydrocarbon Mixtures
| Item | Content |
|---|---|
| Base Tariff | 6.5% (ad valorem) |
| Section 301 Surtax | +25.0% |
| Section 122 Tariff | +10.0% |
| Total Tax Rate | 41.5% |
| Tax Calculation | CIF Value × 41.5% |
| De Minimis Exemption | ❌ Not Eligible |
| Legal Basis Path | HTSUS:3824 → Section 301 Footnote → Section 122 Provision |
📌 Explanation:
- Applies to complex hydrocarbon mixtures.
- Highest base tariff (6.5%), leading to the highest total tax (41.5%).
🎯 4. 3824.99.55.00 – Halogenated Hydrocarbon Mixtures
| Item | Content |
|---|---|
| Base Tariff | 3.7% (ad valorem) |
| Section 301 Surtax | +25.0% |
| Section 122 Tariff | +10.0% |
| Total Tax Rate | 38.7% |
| Tax Calculation | CIF Value × 38.7% |
| De Minimis Exemption | ❌ Not Eligible |
| Legal Basis Path | HTSUS:3824 → Section 301 Footnote → Section 122 Provision |
📌 Explanation:
- Applies to halogenated hydrocarbon based products.
- Lowest total tax rate (38.7%) among all options due to a lower base tariff (3.7%).
- Caution: Halogenated solvents may face additional environmental regulations (EPA).
🛠️ IV. Customs Clearance Practical Advice (Battle-Tested Pitfall Guide)
✅ 1. Required Documentation Checklist (No Exceptions)
| Document | Must Provide | Description |
|---|---|---|
| ✅ Product Specification Sheet | ✔️ | Must detail chemical composition, pH level, active ingredients (e.g., % Acid, % Solvent) |
| ✅ Safety Data Sheet (SDS) | ✔️ | Mandatory for chemical imports. Must comply with GHS standards. |
| ✅ Product Photos (Labeling) | ✔️ | Clear view of label, including hazard symbols, ingredients, and brand. |
| ✅ Commercial Invoice | ✔️ | Must explicitly state "Chemical Preparation for Metal Surface Treatment" or "Solvent" – NOT just "Rust Remover" |
| ✅ Certificate of Origin (CO) | ✔️ | If applicable for preferential treatment (rare for US-China chemicals) |
| ✅ EPA Registration Number | ✔️ | If the product makes pest control or antimicrobial claims, EPA approval is required. |
✅ 2. Declaration Tips (Critical Keywords)
🔥 "Declare by Chemistry, Not by Function"
| Scenario | Correct Declaration | Wrong Practice |
|---|---|---|
| Acid-based rust remover | Metal Surface Chemical Treatment Preparation (Acid-based) |
"Rust Remover" (Too vague → Risk of misclassification) |
| Solvent-based cleaner | Organic Composite Solvent for Degreasing |
"Rust Cleaner" (Misleading → Risk of penalty) |
| Halogenated solvent | Halogenated Hydrocarbon Mixture |
"Industrial Cleaner" (Vague → High scrutiny) |
📌 Note:
- Using generic terms like "Rust Remover" without specifying the chemical nature (acid, solvent, hydrocarbon) can lead to customs audits.
- Always link the product to its HS Code description in the commercial invoice.
✅ 3. Special Circumstances Handling
| Situation | Handling Advice |
|---|---|
| Mixed Formulation | If the product contains both acid and solvent, consult a customs broker to determine the principal character. |
| EPA Regulations | If the product claims to "inhibit rust" long-term, it may be regulated as a pesticide or antimicrobial. Check EPA status first. |
| Hazardous Material | If classified as hazardous, ensure proper UN packaging and labeling. |
| Section 301 Exclusion | Check if your specific product has an exclusion number. If yes, you may avoid the 25% surtax. |
🌍 V. Global Market Comparison (2026 Latest)
| Country/Region | Recommended HS Code | Tariff (China Origin) | Certification Requirements | Notes |
|---|---|---|---|---|
| 🇺🇸 USA | 3810.10.00.00 (Acid) / 3814.00 (Solvent) |
40.0% - 41.5% | SDS, EPA (if applicable) | High tariffs due to Section 301 & 122 |
| 🇨🇳 China | 3810.10.00 |
5% | GB Standards | No additional surtaxes |
| 🇪🇺 EU | 3810.10 / 3814.00 |
6.5% | REACH Registration | No Section 301 tax, but REACH compliance is costly |
| 🇦🇺 Australia | 3810.10 |
5% | GHS Labeling | Moderate tariffs |
| 🇯🇵 Japan | 3810.10 |
6.0% | JIS Standards | No additional surtaxes |
📌 Conclusion:
- USA has the highest effective tariff (40%+) due to geopolitical trade policies.
- EU and Japan have lower base tariffs but strict environmental regulations (REACH, etc.).
- China-origin chemicals face significant hurdles in the US market.
📌 VI. Common Mistakes & Pitfall Guide (Lessons Learned)
❌ Mistake 1: Declaring "Rust Remover" without specifying chemical composition
👉 Consequence: Customs may reclassify to the highest applicable duty rate or demand detailed testing.
❌ Mistake 2: Ignoring EPA regulations for anti-corrosion claims
👉 Consequence: Shipment detained or rejected by EPA at the port of entry.
❌ Mistake 3: Not providing a valid SDS
👉 Consequence: Clearing agent cannot file entry → Delays and storage fees.
❌ Mistake 4: Assuming de minimis applies
👉 Consequence: Small shipments still face full duties and penalties if not properly declared.
✅ Correct Approach:
"Organic Composite Solvent for Metal Degreasing, Contains X% Hydrocarbon, pH Y, SDS Available, EPA Registered #12345"
🎯 VII. Conclusion: Professional Declaration Saves Money!
🎯 Remember the Formula:
🔹 "Acid = 3810 (40%) | Solvent = 3814 (41%) | Hydrocarbon = 3824 (38.7%-41.5%)"
🔹 "SDS is King, EPA is Queen, HS Code is the Crown"
🔹 "Vague Descriptions Lead to Customs Audits, Specific Declarations Lead to Smooth Clearance"
📌 Tips:
- If your product is a halogenated hydrocarbon, you may benefit from the lowerest total tax rate (38.7%), but check environmental compliance.
- If your product is a simple acid, it falls under 3810 with 40% tax.
- Always verify Section 301 Exclusions for your specific chemical composition.
📣 Immediate Action:
📞 Contact a Customs Broker + Provide Chemical Composition + Check EPA Status
🚀 Ensure Smooth Customs Clearance, Avoid Penalties, Maximize Profit!
✨ Professional Customs Clearance Starts with Precise Classification!
💼 Every Penny of Duty Is Worth Calculating Precisely!
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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。