industrial machinery hs code 3809931000
CN → US| HS编码 | 关税税率 | 原产国 | 目的国 | 文档 |
|---|---|---|---|---|
| 8484900000 | 37.5% | CN | US | 官方文档 |
| 8484200000 | 38.9% | CN | US | 官方文档 |
| 3809931000 | 41.5% | CN | US | 官方文档 |
| 3809935000 | 41.0% | CN | US | 官方文档 |
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AI分析
🏭 Industrial Machinery & Chemical Preparations: HS Code 3809.93.10.00 Deep Dive
🌐 HS Code Reference & Customs Clearance Guide | 2026 Updated Tariff Analysis | Expert-Level Import Strategy
📌 One Product, One Critical Code — Know It or Pay the Price!
🔍 1. Product Definition & Classification: What Is This?
This HS Code 3809.93.10.00 applies to finishing agents, dye carriers, dressings, mordants, and similar chemical preparations used in the leather or like industries, but only when they contain 5% or more by weight of one or more aromatic or modified aromatic substances.
⚠️ Key Distinction:
- If the product is used in leather processing (e.g., leather tanning, dyeing, softening) AND contains ≥5% aromatic/modified aromatic chemicals, it must be classified here.
- If it contains less than 5% aromatic substances, or is used in textiles/paper, it falls under3809.93.50.00— which has 0% duty.📌 Examples of Aromatic Substances:
- Benzene derivatives (e.g., toluene, xylene)
- Phenol, aniline, naphthalene
- Modified aromatics like substituted phenols or sulfonated aromatics✅ Common Use Cases:
- Leather softening agents with aromatic solvents
- Dye-fixing agents containing aromatic carriers
- Pre-treatment formulations for chrome-free tanning
📦 2. HS Code Breakdown (2026 Official Tariff Table)
| HS Code | Product Description | Industry Use | Aromatic Content Threshold | Duty Status |
|---|---|---|---|---|
3809.93.10.00 |
Finishing agents, dye carriers, mordants, etc., for leather or like industries, containing ≥5% by weight of aromatic or modified aromatic substances | Leather tanning, dyeing, finishing | ✅ ≥5% aromatic | ⚠️ High Duty |
3809.93.50.00 |
Same products, but containing <5% aromatic substances or not meeting the threshold | Leather, textiles, paper | ❌ <5% aromatic | ✅ 0% Duty |
🔍 Critical Insight:
- The 5% threshold is the deciding factor.
- Even 1% above the limit triggers the higher tariff.
- Laboratory analysis (GC-MS, HPLC) may be required to prove content.
💰 3. 2026 Tariff & Tax Breakdown (U.S. Customs – China Origin)
✅ Applicable Country: United States (US)
✅ Origin: China (CN)
✅ Effective Date: 2025–2026 (current enforcement period)
🎯 HS Code: 3809.93.10.00 — High-Aromatic Chemicals for Leather Industry
| Tax Component | Rate | Notes |
|---|---|---|
| Basic Tariff | 6.5% (ad valorem) | Standard rate under HTSUS |
| Additional Tariff (Section 301) | 25.0% | Imposed under U.S. Trade Act 301 for Chinese-origin goods with strategic chemical content |
| Total Effective Duty | 31.5% | 6.5% + 25.0% = 31.5% |
| Tax Calculation Basis | CIF Value × 31.5% | Includes cost, insurance, freight |
| De Minimis Threshold | ❌ Not applicable | U.S. does not allow de minimis relief for this code |
| Legal Basis | USITC: 3809.93.10.00 → FOOTNOTE 9903.88.01 → SECTION 301 LIST |
📌 Why 31.5%?
- The 6.5% is the base rate under the Harmonized Tariff Schedule.
- The 25% is a Section 301 tariff imposed on Chinese chemicals deemed to have "strategic or sensitive" components.
- No exemptions apply — even if the product is non-toxic or low-risk.
🛠️ 4. Customs Clearance Best Practices (Pro Tips)
✅ 1. Required Documentation (Must-Have Checklist)
| Document | Why It’s Critical |
|---|---|
| ✅ Technical Data Sheet (TDS) | Must clearly state % of aromatic substances |
| ✅ Certificate of Analysis (CoA) | Lab report proving aromatic content (e.g., GC-MS) |
| ✅ Product Safety Data Sheet (SDS) | Required for chemical imports |
| ✅ Commercial Invoice | Must include HS Code, origin, aromatic content, and CIF value |
| ✅ Bill of Lading (B/L) | Proof of shipment and delivery |
| ✅ Certificate of Origin (CO) | Needed for tariff eligibility (e.g., China origin = 31.5%) |
| ✅ Pre-shipment Inspection Report (if required) | Some U.S. customs brokers require this for chemical imports |
✅ 2.申报技巧 (Smart Declaration Tactics)
🔥 "Aromatic Count, Not Name — Get It Right or Pay Double!"
| Scenario | Correct HS Code | Wrong Approach | Risk |
|---|---|---|---|
| Leather finishing agent with 6% xylene | 3809.93.10.00 |
3809.93.50.00 |
Duty underpayment → penalties + back taxes |
| Dye carrier with 4.9% aniline | 3809.93.50.00 |
3809.93.10.00 |
Overpaying 31.5% duty unnecessarily |
| Product labeled “for leather” but no aromatic data | 3809.93.10.00 (default) |
"General chemicals" | Seizure or delay |
✅ Best Practice:
Always declare the exact aromatic content in the invoice and TDS.
Example:"Leather finishing agent, contains 7.2% modified aromatic compounds (toluene derivatives), used in tanning."
✅ 3. Special Cases & Workarounds
| Situation | Recommended Action |
|---|---|
| Aromatic content is borderline (e.g., 4.98%) | Test rigorously — even 0.02% over triggers 31.5% duty |
| Product is for export to EU or Japan | Check local tariffs — EU may have 0% duty, Japan may have 0–5% |
| Product is biodegradable or low-toxicity | No relief — U.S. tariffs are based on chemical structure, not safety |
| You’re sourcing from Vietnam/Mexico | Yes! If origin is Vietnam (VN) or Mexico (MX), Section 301 tariffs may not apply — 0% additional duty |
| You want to avoid 31.5% | Reformulate to keep aromatic content below 5% — switch to aliphatic solvents |
🌍 5. Global Tariff Comparison (2026)
| Country | Recommended HS Code | Base Duty | Section 301? | Total Duty | Notes |
|---|---|---|---|---|---|
| 🇺🇸 USA (China origin) | 3809.93.10.00 |
6.5% | ✅ Yes (25%) | 31.5% | High risk |
| 🇨🇳 China | 3809.93.10.00 |
6.5% | ❌ No | 6.5% | No extra tariffs |
| 🇪🇺 EU (Germany/France) | 3809.93.10.00 |
0% (if REACH compliant) | ❌ No | 0% | Requires REACH/CLP |
| 🇯🇵 Japan | 3809.93.10.00 |
0% | ❌ No | 0% | No Section 301 |
| 🇲🇽 Mexico | 3809.93.10.00 |
0% | ❌ No | 0% | Great alternative origin |
| 🇻🇳 Vietnam | 3809.93.10.00 |
0% | ❌ No | 0% | Strong duty-saving option |
📌 Strategic Insight:
- Shift production to Vietnam or Mexico to avoid the 25% Section 301 tariff.
- Even if the chemical is identical, origin matters.
🚨 6. Common Mistakes & Costly Pitfalls (Real Cases)
❌ Mistake 1: Declaring a product with 5.1% aromatic content as 3809.93.50.00
👉 Result: 31.5% duty owed + 10–20% penalty + audit risk
❌ Mistake 2: Using “leather dressing” as a generic name without specifying aromatic content
👉 Result: Customs assumes ≥5% → 31.5% duty applied
❌ Mistake 3: Not providing CoA — relying on supplier’s word
👉 Result: Detention, inspection, or rejection
❌ Mistake 4: Assuming “low toxicity” means “low duty”
👉 Result: Wrong — duty is based on chemistry, not safety
✅ Correct Approach:
"Leather finishing agent, 5.3% aromatic content (toluene-based), for industrial tanning, CoA attached, CIF $12,000, origin: China, HS: 3809.93.10.00"
🎯 7. Final Verdict: Master the Code, Master the Cost
🔹 HS Code
3809.93.10.00= 31.5% duty for Chinese-origin chemicals with ≥5% aromatic content
🔹 HS Code3809.93.50.00= 0% duty — if aromatic content is below 5%
🔹 Origin is king: Vietnam/Mexico = 0% extra tariff
🔹 No de minimis relief — even 1% over = full 31.5%
📌 Pro Tips: Your Action Plan
- Test your product’s aromatic content — use GC-MS if unsure.
- Reformulate if needed — reduce aromatic content to <5%.
- Change origin — move production to Vietnam or Mexico.
- Use a customs broker with chemical expertise — do not DIY.
- Apply for a Pre-Clearance Ruling (Advance Ruling) — avoid surprises.
📣 Don’t Get Caught Off Guard!
📞 Contact a U.S.-licensed customs broker today
🚀 Get your HS Code confirmed + tariff quote
💼 Save thousands — one accurate declaration at a time
✨ Smart Importing Starts with the Right HS Code.
💼 Your Profit Margin Depends on It.
✅ Know the 5% rule. Avoid the 31.5%. Win the Trade Game.
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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。