doped silicon wafer nitrogen doped
CN → US| HS编码 | 关税税率 | 原产国 | 目的国 | 文档 |
|---|---|---|---|---|
| 2804691000 | 15.3% | CN | US | 官方文档 |
| 2804695000 | 15.5% | CN | US | 官方文档 |
| 8541100040 | 60.0% | CN | US | 官方文档 |
| 8541590040 | 60.0% | CN | US | 官方文档 |
AI分析
⚛️ Doped Silicon Wafer (Nitrogen Doped)
🌐 HS Code Reference & Customs Clearance Guide | 2026 Latest Tariff Analysis | Professional Entry Strategy
📌 I. Product Definition & Classification: Do You Really Understand "Doped Silicon"?
Doped silicon wafers are the fundamental building blocks of the semiconductor industry. In international trade, the classification depends heavily on the degree of processing and the chemical nature of the doping process.
For Nitrogen-Doped Silicon Wafers, the key distinction lies in whether the material is treated merely as a raw material/sub-semiconductor or as a finished semiconductor device component.
⚠️ Key Distinction Point:
- If the silicon is in a raw/semi-finished state (e.g., doped wafers, slices) without being part of an integrated circuit chip → Classified under Chapter 28 (Inorganic Chemicals).
- If the wafer is processed into chips, dies, or unmounted wafers specifically for semiconductor devices → Classified under Chapter 85 (Electrical Machinery & Equipment).
📦 II. HS Code Classification Details (2026 Latest Tariff Authority Comparison)
| HS Code | Product Description | Applicable Scenario | Doping Element | Form Factor |
|---|---|---|---|---|
2804.69.10.00 |
Silicon, Doped (Arsenic-doped noted in data, but applies to other doped silicon forms) | Raw silicon, semi-finished slices | Arsenic (Arsenic-doped wafers cited in data) | Slice/Semi-finished |
2804.69.50.00 |
Other Silicon | Silicon material, doped forms where doping does not alter the essential nature of silicon | Arsenic (Cited in data) | Slice/Wafer |
8541.10.00.40 |
Unmounted Chips, Dies, and Wafers | Semiconductor devices, integrated circuits, primary forms | Nitrogen (As per user input) | Slice/Wafer |
8541.59.00.40 |
Unmounted Wafers | Semiconductor devices, inferred as primary form based on doping process | Nitrogen (As per user input) | Wafer/Chip |
🔍 Critical Reminder:
- The data provided specifically mentions Arsenic-Doped wafers for HS Codes2804.69.10.00and2804.69.50.00.
- However, for Nitrogen-Doped silicon, if it is considered a semi-finished material (not yet a chip), it may still fall under Chapter 28 if it retains its chemical identity as silicon.
- If it is classified as a semiconductor device (e.g., a wafer ready for circuit fabrication or part of a device), it falls under Chapter 85 (8541.10.00.40or8541.59.00.40).
- Note: The provided data explicitly links8541codes to Nitrogen-Doped inference in the summary, suggesting that for nitrogen-doped wafers, the customs authority may treat them as semiconductor devices rather than raw materials.
💰 III. 2026 Latest Tariff Rate Details (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. 2804.69.10.00 & 2804.69.50.00 —— Silicon, Doped (Raw/Semi-Finished)
| Item | Content |
|---|---|
| Base Tariff | 5.3% (2804.69.10.00) / 5.5% (2804.69.50.00) |
| Section 301 Additional Tariff | +0.0% (No additional Section 301 tariff applied to these specific subheadings in the provided data) |
| Section 122 Tariff | +10% |
| Total Tariff Rate | 15.3% (2804.69.10.00) / 15.5% (2804.69.50.00) |
| Tax Calculation | CIF Value × 15.3% / 15.5% |
| De Minimis Exemption | ❌ Not Eligible (Semiconductor materials are typically excluded from de minimis) |
| Legal Basis Path | USITC:2804.69.10.00 → FOOTNOTE:122 |
📌 Explanation:
- These codes classify silicon as a chemical/mineral product.
- The Section 122 Tariff (10%) is applied to silicon products under certain conditions.
- No Section 301 Tariff is listed in the data for these specific subheadings, which is a significant advantage compared to Chapter 85 goods.
- Total Duty: ~15.4% average.
🎯 2. 8541.10.00.40 & 8541.59.00.40 —— Unmounted Chips, Wafers (Semiconductor Devices)
| Item | Content |
|---|---|
| Base Tariff | 0.0% |
| Section 301 Additional Tariff | +50.0% |
| Section 122 Tariff | +10% |
| Total Tariff Rate | 60.0% |
| Tax Calculation | CIF Value × 60.0% |
| De Minimis Exemption | ❌ Not Eligible |
| Legal Basis Path | IEEPA:9903.01.25 → IEEPA:9903.01.24 → USITC:8541.10.00.40 → FOOTNOTE:122 |
📌 Critical Warning:
- These codes classify nitrogen-doped silicon wafers as semiconductor devices.
- The Section 301 Tariff (50%) is heavily applied here.
- Total Duty: 60%!
- This is a massive cost difference compared to Chapter 28 classification.
- Risk: Misclassification from Chapter 28 to Chapter 85 can lead to 45% higher duty costs.
🛠️ IV. Customs Clearance Practical Advice (Real-World Pitfall Guide)
✅ 1. Required Documentation (Missing Any May Cause Delays)
| Document | Mandatory? | Description |
|---|---|---|
| ✅ Product Specification Sheet | ✔️ | Must clearly state Doping Element (Nitrogen vs. Arsenic), resistivity, and form (Wafer/Slice). |
| ✅ Chemical Composition Report | ✔️ | To prove it is Silicon and not a compound or alloy. |
| ✅ Technical Data Sheet | ✔️ | Specify if it is raw doped silicon (Chapter 28) or processed wafer (Chapter 85). |
| ✅ Commercial Invoice | ✔️ | Must accurately describe the product: "Nitrogen-Doped Silicon Wafer" or "Arsenic-Doped Silicon Slice". |
| ✅ Certificate of Origin | ✔️ | To determine applicability of Section 301 and Section 122 tariffs. |
✅ 2. Declaration Strategy (Key Tips)
🔥 "Raw Material vs. Device: Declare Correctly, Save 45%!"
| Scenario | Correct Declaration | Incorrect Approach |
|---|---|---|
| Nitrogen-Doped Wafer (Raw/Semi-Finished) | 2804.69.10.00 or 2804.69.50.00 |
Declare as 8541.10.00.40 → 60% Duty |
| Arsenic-Doped Slice | 2804.69.10.00 |
Declare as 8541.59.00.40 → 60% Duty |
| Processed Semiconductor Device | 8541.10.00.40 |
Declare as 2804.69.10.00 → Underpayment + Penalty |
📌 Note: The provided data suggests that Arsenic-Doped wafers are classified under Chapter 28, while Nitrogen-Doped wafers are inferred as Chapter 85 (
8541.10.00.40/8541.59.00.40).
- Action Item: If your nitrogen-doped wafers are not yet integrated into circuits, consider arguing for Chapter 28 classification to save 45% in duties.
- Risk: Customs may challenge this if the wafer is considered a "finished semiconductor component."
✅ 3. Special Cases Handling
| Scenario | Handling Advice |
|---|---|
| OEM Custom Doped Wafers | Provide detailed doping concentration and resistivity data to support Chapter 28 classification. |
| Wafer with Passivation Layer | May still be classified under Chapter 28 if it remains a raw material. |
| Wafer with Integrated Circuits | Must be classified under Chapter 85 (8541). |
| Mixed Shipment (Doped + Undoped) | Declare separately to apply correct tariffs. |
🌍 V. Global Market Comparison (2026 Latest)
| Country/Region | Recommended HS Code | Tariff (China Origin) | Certification Requirements | Notes |
|---|---|---|---|---|
| 🇺🇸 USA | 2804.69.10.00 (If Raw) |
15.3% | N/A | Avoid 8541 unless necessary (60% duty) |
| 🇺🇸 USA | 8541.10.00.40 (If Device) |
60.0% | N/A | High duty due to Section 301 |
| 🇨🇳 China | 2804.69.10.00 |
5.3% | N/A | No additional tariffs |
| 🇪🇺 EU | 2804.69.90 |
~0-5% | REACH | No Section 301 |
| 🇯🇵 Japan | 2804.69.90 |
~0% | N/A | Low duty |
📌 Conclusion:
- USA is the most critical market due to the 45% duty difference between Chapter 28 and Chapter 85.
- Chapter 28 classification is significantly cheaper for raw/semi-finished doped silicon.
- Chapter 85 applies when the silicon is part of a semiconductor device.
📌 VI. Common Errors & Pitfalls (Lessons Learned)
❌ Error 1: Classifying raw nitrogen-doped wafers as 8541.10.00.40
👉 Consequence: 60% duty instead of 15.3% → 45% extra cost!
❌ Error 2: Not distinguishing between Arsenic-Doped and Nitrogen-Doped
👉 Consequence: Data suggests Arsenic-Doped may be classified under Chapter 28, while Nitrogen-Doped is inferred as Chapter 85. Misclassification leads to incorrect duty payment.
❌ Error 3: Failing to provide Doping Element Details
👉 Consequence: Customs may default to the higher-duty classification (8541) if the product nature is unclear.
❌ Error 4: Ignoring Section 122 Tariff
👉 Consequence: Underpayment by 10% → Penalties + Back Taxes.
✅ Correct Practice:
"Nitrogen-Doped Silicon Wafer, Resistivity: X Ohm-cm, Diameter: 200mm, Form: Slice, Not Integrated into Circuit"
🎯 VII. Conclusion: Precise Classification, Cost Optimization!
🎯 Remember the Mantra:
🔹 "Raw Material = Chapter 28 (15%), Device = Chapter 85 (60%)"
🔹 "Doping Element Matters: Arsenic vs. Nitrogen Classification Differs"
🔹 "Declare Accurately, Save 45% in Duties!"
📌 Pro Tip:
If your Nitrogen-Doped Silicon Wafers are not yet integrated into circuits, argue for Chapter 28 classification to benefit from the lower 15.3% duty.
- Request an Advance Ruling from US Customs to confirm classification.
- Consult with a Licensed Customs Broker to ensure compliance with Section 122 and Section 301 regulations.
📣 Immediate Action:
📞 Contact a Professional Customs Broker + Provide Product Specs + Apply for HS Code Advance Ruling
🚀 Let your silicon wafers clear customs smoothly, reduce costs, and boost profits!
✨ Professional Customs Clearance Starts with Accurate Classification!
💼 Every Penny Saved on Duties is Pure Profit!
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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。