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橡胶模制件

CN → US
HS Code Tariff Rate Origin Destination Doc
8481905000 20.5% CN US Official Doc
4016935020 37.5% CN US Official Doc
4016996010 37.5% CN US Official Doc

AI Analysis

🛡️ Rubber Molded Articles (Sulfurated Rubber Parts)


🌐 HS Code Reference & Customs Clearance Guide | 2026 Latest Tariff Analysis | Professional-Level Entry Strategy
📌 I. Product Definition & Classification: Do You Really Understand "Rubber Molded Articles"?

Rubber Molded Articles are widely used in industrial sealing, fluid control, shock absorption, and mechanical transmission. In international trade, they are primarily categorized based on material composition and structural integrity. The most common classification falls under Chapter 40 (Rubber and Articles Thereof).

⚠️ Key Distinction Points:
- Sealing/Gasket Products (Gaskets, Seals): Strictly defined as products designed to prevent leakage of fluids or gases. If the shape is standard for gaskets/seals, it leans towards 4016.93.
- General Rubber Moldings: Items that are molded but do not fit the specific "gasket" definition, or are general-purpose parts (e.g., bumpers, mats, bushings). These fall under 4016.99 or 8481.90 (if considered parts of machinery).

📌 Critical Insight:
- If it is a gasket/seal, expect higher scrutiny on its exact function.
- If it is a general part for machinery (like a valve component), 8481.90 might be argued, but customs often default to 4016.99 unless it is a distinct, integral part of a specific machine.
- Note: The provided data suggests three potential codes, indicating ambiguity in classification based on specific product details (shape, usage).


📦 II. HS Code Classification Details (2026 Latest Tariff Authoritative Comparison)

HS Code Product Description Application Scenario Tax Complexity
4016.93.50.20 Gaskets, washers, and other seals, of vulcanized rubber Gaskets, O-rings, flange seals, pipe seals 🔴 High (Complex Add-ons)
8481.90.50.00 Parts of taps, cocks, valves, and similar appliances (made of rubber) Valve seats, diaphragms, internal components of fluid control systems 🟡 Medium (Lower Base Rate)
4016.99.60.10 Other articles of vulcanized rubber other than hard rubber General rubber molded parts, bumpers, bushings, non-gasket seals 🔴 High (Complex Add-ons)

🔍 Key Reminder:
- 4016.93 vs 4016.99: The main difference is whether the item is strictly a "gasket/seal." If it’s a general rubber part (like a foot pad), it’s 4016.99. If it’s a sealing ring, it’s 4016.93.
- 8481.90: Only applicable if the part is exclusively for use with taps/valves. If it can be used for other purposes, customs may reject this code in favor of 4016.99.


💰 III. 2026 Latest Tariff Rate Breakdown (Including Surcharge, Policy Add-ons)

Applicable Country: United States (US)
Origin: China (CN)
Effective Date: Current tariffs apply (Section 301 & IEEPA)

🎯 1. 4016.93.50.20 —— Gaskets, Washers, and Seals (Vulcanized Rubber)

Item Content
Base Rate 2.5% (Ad Valorem)
Section 301 Surcharge +25.0% (Section 301 Tariff)
IEEPA Surcharge +10% (China-specific under IEEPA)
Total Rate 37.5%
Tax Calculation CIF Value × 37.5%
De Minimis Exemption Not Eligible (High tax rate excludes low-value packages)
Legal Basis Path USITC:4016.93.50.20SECTION_301:25%IEEPA:10%

📌 Explanation:
- Base 2.5%: Standard MFN rate for rubber gaskets.
- 25% (Section 301): Additional tariff on Chinese goods, including rubber articles.
- 10% (IEEPA): Additional tariff imposed under the International Emergency Economic Powers Act.
- Total 37.5%: This is a significant cost burden. Ensure your pricing model accounts for this.


🎯 2. 8481.90.50.00 —— Parts of Taps, Cocks, Valves (Rubber)

Item Content
Base Rate 3.0% (Ad Valorem)
Section 301 Surcharge +7.5% (Section 301 Tariff for Machine Parts)
IEEPA Surcharge +10% (China-specific under IEEPA)
Total Rate 20.5%
Tax Calculation CIF Value × 20.5%
De Minimis Exemption Not Eligible
Legal Basis Path USITC:8481.90.50.00SECTION_301:7.5%IEEPA:10%

📌 Note:
- This code offers a lower total rate (20.5%) compared to general rubber articles.
- Risk: To use this code, you must prove the part is exclusively for valves/taps. If customs inspectors determine it’s a general rubber part, they will reclassify it to 4016.99 (37.5%), leading to back taxes and penalties.
- Use this only if the product is a clear, dedicated component of a fluid control system.


🎯 3. 4016.99.60.10 —— Other Rubber Articles (Vulcanized, Molded)

Item Content
Base Rate 2.5% (Ad Valorem)
Section 301 Surcharge +25.0% (Section 301 Tariff)
IEEPA Surcharge +10% (China-specific under IEEPA)
Total Rate 37.5%
Tax Calculation CIF Value × 37.5%
De Minimis Exemption Not Eligible
Legal Basis Path USITC:4016.99.60.10SECTION_301:25%IEEPA:10%

📌 Explanation:
- This is the catch-all category for rubber molded parts that are not gaskets/seals.
- Same high tax rate (37.5%) as 4016.93.
- Most common for general industrial rubber parts (e.g., rubber feet, cushions, non-sealing grommets).


🛠️ IV. Customs Clearance Practical Advice (Battle-Tested Pitfall Avoidance)

✅ 1. Required Documentation Checklist (Non-Negotiable)

Document Required Explanation
Product Specification Sheet ✔️ Must detail material (Vulcanized Rubber), dimensions, hardness (Shore A), and mold type.
Functional Description ✔️ Clearly state: Is it a seal? A valve part? A general mount? This determines the HS Code.
Product Photos ✔️ Include close-ups of the mold mark, texture, and any identifying features.
Commercial Invoice ✔️ Must match the HS Code description exactly. Use "Rubber Gasket" or "Rubber Valve Part," not generic "Rubber Part."
Packing List ✔️ Confirm quantity and weight. Ensure no mixed shipments of different rubber types.
Certificate of Origin ✔️ Essential for proving Chinese origin and applying correct surcharges.

✅ 2. Declaration Strategy (Key Mantras)

🔥 “Function Dictates Code, Gasket vs. General, Avoid Ambiguity!”

Scenario Correct Declaration Wrong Practice
Gasket/Seal 4016.93.50.20 - "Vulcanized Rubber Gasket" Calling it "Rubber Part" → Risk of audit
Valve Component 8481.90.50.00 - "Rubber Valve Diaphragm" If it’s also used in pumps → Reclassification to 4016.99
General Molded Part 4016.99.60.10 - "Molded Rubber Bushing" Mislabeling as "Gasket" to guess wrong code
Mixed Shipment Separate lines for each type Mixing gaskets and general parts in one line item

✅ 3. Special Case Handling

Situation Handling Advice
OEM Parts Provide the end-product manual to prove if the part is for a valve or general use.
Ambiguous Shape If it looks like a gasket but is used for cushioning, declare as 4016.99 to avoid penalties for misdeclaration.
High-Value Shipments Consider applying for an Advance Ruling from US Customs to lock in the HS Code and tax rate.
Small Packages (De Minimis) Unfortunately, with 20.5%-37.5% tax, no de minimis exemption applies. Budget for duty.

🌍 V. Global Market Clearance Comparison (2026 Latest)

Country/Region Recommended HS Code Total Tariff (China Origin) Certification Requirements Notes
🇺🇸 USA 4016.93.50.20 / 4016.99.60.10 37.5% None specific for rubber 8481.90.50.00 at 20.5% if valid
🇨🇳 China 4016.93 / 4016.99 ~2.5% - 8% RoHS (if applicable) Lower import duties
🇪🇺 EU 4016.93 / 4016.99 0% - 2.5% REACH, RoHS No Section 301 equivalent
🇬🇧 UK 4016.93 / 4016.99 0% - 2.5% UKCA, REACH Post-Brexit rules apply
🇯🇵 Japan 4016.93 / 4016.99 0% - 2% JIS Standards Low tariffs

📌 Conclusion:
- The US is the most expensive market for Chinese rubber molded articles due to Section 301 and IEEPA tariffs.
- Strategy: If possible, source or assemble in a third country (e.g., Vietnam, Thailand) to mitigate US tariffs, provided substantial transformation rules are met.
- Documentation is Key: Precise functional descriptions can sometimes justify the lower 8481.90 rate, saving 17% in duties.


📌 VI. Common Mistakes & Pitfall Guide (Blood Lessons)

Mistake 1: Using "Rubber Part" as the generic description.
👉 Consequence: Customs cannot classify accurately → Delay, Inspection, and Potential Re-classification to higher tax rate.

Mistake 2: Claiming 8481.90 for a general rubber gasket.
👉 Consequence: Customs rejects it as not exclusively for valves → Back taxes + penalties (37.5% - 20.5% = 17% difference).

Mistake 3: Ignoring the "Vulcanized" distinction.
👉 Consequence: Hard rubber vs. Vulcanized rubber have different codes. Misdeclaration leads to audit triggers.

Mistake 4: Assuming small shipments are duty-free.
👉 Consequence: With total rates of 20.5%-37.5%, de minimis (Section 321) does not apply. You must pay duty on every shipment.

Correct Approach:

"Vulcanized Rubber Gasket, 50mm OD, Shore A 70, for Pipe Flange Connection, Model XYZ"


🎯 VII. Conclusion: Precise Classification Saves Money!

🎯 Remember the Mantras:

🔹 "Gasket is 37.5%, Valve Part is 20.5%, General Part is 37.5%!"
🔹 "Don't Guess the Code, Prove the Function!"
🔹 "US Tariffs are High, Documentation is Your Shield!"


📌 Pro Tip:
If your product is a valve component, insist on 8481.90.50.00 with clear engineering drawings showing its exclusive use in valves. This can save you 17% in duties. If it’s a general gasket, accept the 37.5% rate and optimize supply chain costs.


📣 Immediate Action:

📞 Consult a Customs Broker + Provide Product Specs + Request Advance Ruling
🚀 Ensure Smooth Customs Clearance, Minimize Costs, and Protect Your Margins!


Professional Clearance Starts with Accurate Classification!
💼 Every Dollar of Duty Saved is Pure Profit!

Customer Reviews

About HS Code Classification

The Harmonized System (HS) is an internationally standardized nomenclature developed by the World Customs Organization (WCO) to classify traded products. Over 200 countries use the HS system as the basis for customs tariffs, trade statistics, and import/export regulations.

Each HS code follows a hierarchical structure:

  • Chapter (2 digits) — Broad category of goods (e.g., Chapter 84: Machinery and Mechanical Appliances)
  • Heading (4 digits) — More specific grouping within the chapter
  • Subheading (6 digits) — Internationally standardized breakdown, used by all WCO member countries
  • National subdivisions (8-10 digits) — Country-specific extensions for further classification, such as US HTSUS 10-digit codes

Correct HS code classification is essential for smooth customs clearance, accurate duty payment, and compliance with trade regulations. Misclassification can lead to customs delays, overpayment of duties, or penalties.

When importing from CN to US, the applicable tariff rates may include:

  • Most-Favored-Nation (MFN) rate — The standard duty rate applied to WTO members
  • General rate — Applied to countries without trade agreements
  • Trade remedy duties — Additional tariffs such as Section 301 (anti-dumping), Section 232 (national security), or countervailing duties

The information provided on this page is for reference purposes only. For official classification, please consult with your local customs authority or a licensed customs broker.