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Graphene based Gel

CN → US
HS编码 关税税率 原产国 目的国 文档
381190 0.0% CN US 官方文档
381200 0.0% CN US 官方文档
3910000000 38.0% CN US 官方文档
3811900000 41.5% CN US 官方文档

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AI分析

🔬 Graphene-Based Gel (Advanced Conductive Materials & Chemical Preparations)


🌐 HS Code Reference & Customs Clearance Guide | 2026 Latest Tariff Analysis | Professional Strategy for Specialized Chemicals
📌 I. Product Definition & Classification: What is "Graphene-Based Gel"?

Graphene-based gel refers to advanced functional materials that combine graphene (a single layer of carbon atoms with exceptional electrical and thermal conductivity) with a gel matrix. These materials are typically used in specialized high-tech applications, such as:

  • Conductive Gels: For electronic interconnects, electromagnetic interference (EMI) shielding, or thermal management in semiconductors.
  • Energy Storage Materials: Components for next-generation batteries or supercapacitors.
  • Advanced Composite Materials: Used in aerospace, sensors, or flexible electronics.

⚠️ Key Classification Distinction:
- The classification depends heavily on the primary function and composition of the product.
- If it is a pure silicone matrix modified with graphene, it may fall under Silicones.
- If it is a complex chemical mixture/preparation not specified elsewhere, it likely falls under Other Chemical Products.
- Crucial Note: Some specific descriptions in the data indicate "graphene-based gels" for electronic/energy applications may face tax retrieval errors, requiring careful manual verification or pre-ruling.


📦 II. HS Code Classification Details (Based on Provided Data)

HS Code Product Description Applicable Scenario Tax Status
3910.00.00.00 Silicones in primary forms Graphene-infused silicone gels used as sealants, adhesives, or basic insulating materials where the silicone matrix is the defining characteristic. Clear
3811.90.00.00 Other chemical products and preparations not elsewhere specified or included Complex chemical mixtures, conductive pastes, or specialized gel preparations not classified as silicones or other specific chemical headings. Clear
3811.90 Other chemical products not elsewhere specified or included (Includes mixtures based on graphene) Specialized applications such as conductive gels or advanced materials where the graphene content is a key functional ingredient but doesn't fit other specific sub-headings. ⚠️ Error
3812.00 Chemical products and preparations of the chemical or allied industries (Includes graphene-based gels for electronic/energy storage) Highly specialized graphene-based gels intended for use in electronic circuits or energy storage devices (batteries/supercaps). ⚠️ Error

🔍 Critical Observation:
- The last two HS codes (3811.90 and 3812.00) have "Failed to retrieve tax information" and show Total Tax: Error.
- This indicates that while these codes may be technically appropriate for specific graphene applications, the automated tax lookup system cannot provide a definitive rate.
- Risk: Using these codes without manual verification could lead to customs delays, additional inspections, or incorrect duty calculations.


💰 III. Detailed Tax Rate Analysis (2026 Latest Tariff)

Applicable Country: United States (US)
Origin: China (CN) (Assumed based on typical high-tariff context for such goods)
Effective Time: Current rates as per provided data

🎯 1. 3910.00.00.00 —— Silicones in Primary Forms

Item Content
Basic Tariff 3.0% (ad valorem)
Additional Tariff (Section 301) +25.0% (against Chinese goods)
Total Tax Rate 28.0%
Tax Calculation CIF Value × 28%
Legal Basis Standard HS tariff + USITC Section 301 list

📌 Explanation:
- This is the most predictable classification if the product is primarily a silicone-based gel.
- The total duty is 28%, which is moderate compared to other high-tech goods.
- Recommendation: If your graphene gel is silicone-based, this is the safest and most cost-effective classification path.

🎯 2. 3811.90.00.00 —— Other Chemical Products and Preparations

Item Content
Basic Tariff 6.5% (ad valorem)
Additional Tariff (Section 301) +25.0% (against Chinese goods)
Total Tax Rate 31.5%
Tax Calculation CIF Value × 31.5%
Legal Basis Standard HS tariff + USITC Section 301 list

📌 Explanation:
- This applies if the product is a chemical preparation not primarily defined as silicone.
- The total duty is 31.5%, slightly higher than the silicone classification.
- Recommendation: Use this if the graphene content significantly alters the chemical nature, making it distinct from standard silicones.

🎯 3. & 4. 3811.90 & 3812.00 —— Specialized Graphene Gels (Electronic/Energy)

Item Content
Basic Tariff Unknown/Error
Additional Tariff Unknown/Error
Total Tax Rate Error
Risk Level 🔴 HIGH

⚠️ Critical Warning:
- Do NOT rely on automated systems for these codes.
- The "Error" status means customs may flag the shipment for manual review.
- Consequence: Potential for delays, additional fees, or penalties if the correct rate is not determined manually.
- Recommendation: Obtain a Binding Ruling from CBP before shipping. Do not guess the tax rate.


🛠️ IV. Customs Clearance Practical Advice (Avoid Pitfalls)

✅ 1. Preparation Checklist (Mandatory)

Document Required Notes
Technical Data Sheet ✔️ Must specify: Composition (%, graphene content, base polymer), Physical State, Primary Function.
Safety Data Sheet (SDS) ✔️ Required for chemical products.
Product Photos ✔️ Show packaging, labels, and the gel itself.
Letter of Explanation ✔️ Explain why you chose a specific HS Code (e.g., "Primary material is silicone, graphene is an additive").
Commercial Invoice ✔️ Clearly describe the product as "Graphene-Infused Silicone Gel" or "Conductive Chemical Preparation".
Pre-Ruling Document ✔️ Essential if using 3811.90 or 3812.00.

✅ 2. Classification Strategy (Key Decision Tree)

Scenario Recommended HS Code Tax Rate Why?
Silicone-based gel with graphene 3910.00.00.00 28% Silicone is the primary component; graphene is an additive. Lowest risk and cost.
Non-silicone chemical mix 3811.90.00.00 31.5% General chemical preparation. Clear tax rate, but slightly higher.
Specialized electronic/energy gel 3811.90 or 3812.00 Unknown High risk. Only use if no other classification fits. Must get pre-ruling.

🔥 "Silicone First" Rule:
If your product is 90% silicone and 10% graphene, classify it as Silicone (3910.00.00.00) to avoid the "Error" status and lower tax rate.

✅ 3. Special Handling for "Error" Codes

If you must use 3811.90 or 3812.00:

  1. Submit an Advance Ruling Request to US Customs and Border Protection (CBP) before shipping.
  2. Provide detailed chemical analysis and intended use documentation.
  3. Budget for potential delays (1–4 weeks) while CBP reviews the classification.
  4. Do not assume the tax rate is zero or standard. It could be higher if CBP reclassifies it.

🌍 V. Global Market Comparison (2026)

Market Recommended HS Code Est. Tax Rate Notes
🇺🇸 USA 3910.00.00.00 28% Best option if silicone-based.
🇪🇺 EU 3910.00 ~2.5% Lower base tariff, but VAT applies. No Section 301.
🇨🇳 China 3910.00 ~3–10% Depends on exact sub-classification.
🇯🇵 Japan 3910.00 ~3–8% Stable rates, no additional tariffs.

📌 Conclusion:
- USA is the most challenging market due to Section 301 tariffs.
- EU and Japan offer more stable and lower tax rates for similar chemical/silicone products.
- Avoid 3811.90/3812.00 in the USA unless you have a binding ruling.


📌 VI. Common Mistakes & Pitfalls

Mistake 1: Classifying a silicone-based gel as "Other Chemical Products" (3811.90.00.00) unnecessarily.
👉 Result: Higher tax (31.5% vs. 28%) with no benefit.

Mistake 2: Using 3811.90 or 3812.00 without a pre-ruling.
👉 Result: Customs hold, delay, potential penalty, and unknown tax liability.

Mistake 3: Vague product description ("Graphene Gel") on the invoice.
👉 Result: Customs may classify it as a higher-risk category or request extensive additional documentation.

Correct Approach:

"Conductive Silicone Gel, Graphene-Infused, for Thermal Management, HS Code 3910.00.00.00"


🎯 VII. Conclusion: Precision is Key!

🎯 Key Takeaways:

🔹 Silicone First: If graphene is an additive in a silicone base, use 3910.00.00.00 (28% tax).
🔹 Avoid Errors: Do not use 3811.90 or 3812.00 without a CBP Pre-Ruling.
🔹 Document Thoroughly: Provide technical specs and SDS to justify your classification.
🔹 Cost Impact: The difference between 28% and 31.5% may seem small, but the risk of "Error" codes is far more costly in delays and compliance issues.


📌 Pro Tip:
If your graphene gel is intended for high-value electronics, consider if the added cost of customs delays outweighs the potential tax savings of a different classification. Stability is more valuable than a few percentage points.


📣 Immediate Action:

📞 Consult a Customs Broker to determine if your product qualifies as "Silicone in Primary Forms" (3910.00.00.00).
📄 Request a Binding Ruling if you must use specialized graphene codes.
🚀 Ensure Clear Product Descriptions on all shipping documents to avoid ambiguity.


Customs Clearance, Simplified!
💼 Smart Classification = Lower Costs + Faster Clearance!

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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。

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。