o rings
CN β US| HS Code | Tariff Rate | Origin | Destination | Doc |
|---|---|---|---|---|
| 4016935010 | 37.5% | CN | US | Official Doc |
| 4016931010 | 37.5% | CN | US | Official Doc |
| 3926904510 | 38.5% | CN | US | Official Doc |
| 4016931010 | 37.5% | CN | US | Official Doc |
| 4016935010 | 37.5% | CN | US | Official Doc |
AI Analysis
π O-Rings (Sealing Components)
π HS Code Reference & Customs Clearance Guide | 2026 Latest Tariff Analysis | Professional Clearance Strategy
π I. Product Definition & Classification: Do You Really Know "O-Rings"?
O-rings are toroidal (ring-shaped) mechanical seals used in both static and dynamic applications to prevent leakage of fluids or gases. In international trade, they are classified primarily based on their material composition, which determines the Chapter under the Harmonized System (HS).
Rubber-Based O-Rings (Vulcanized Rubber): Made from natural or synthetic rubber compounds, cured (vulcanized) to ensure elasticity and durability.
Plastic/Polymer-Based O-Rings: Made from rigid or semi-rigid plastics (e.g., PTFE, Nylon, Polyethylene), often used for specific chemical resistances or high-temperature environments.
β οΈ Key Distinction Point:
- If the material is vulcanized rubber (elastic, flexible) β Classified under Chapter 40 (Rubber).
- If the material is plastic/polymer (rigid or semi-rigid) β Classified under Chapter 39 (Plastics).
- Food Grade variants do not change the HS code but may require additional certification.
π¦ II. HS Code Classification Details (2026 Latest Tariff Authoritative Comparison)
Based on the provided data, here are the specific HS codes and their corresponding tax breakdowns.
| HS Code | Product Description | Material Basis | Tax Rate Details |
|---|---|---|---|
4016.93.50.10 |
O-Ring | Vulcanized Rubber | Total: 37.5% (Base: 2.5% + Add: 25.0% + 122 Clause: 10%) |
4016.93.10.10 |
O-Ring | Vulcanized Rubber | Total: 37.5% (Base: 2.5% + Add: 25.0% + 122 Clause: 10%) |
3926.90.45.10 |
O-Ring (Plastic) | Plastic/Polymer | Total: 38.5% (Base: 3.5% + Add: 25.0% + 122 Clause: 10%) |
3926.90.45.10 |
O-Ring (Specific Use) | Plastic/Polymer | Total: 38.5% (Base: 3.5% + Add: 25.0% + 122 Clause: 10%) |
4016.93.10.10 |
Food-Grade O-Ring | Vulcanized Rubber | Total: 37.5% (Base: 2.5% + Add: 25.0% + 122 Clause: 10%) |
π Key Insight:
- Rubber O-Rings (4016.93.xxxx) have a 37.5% total tax rate.
- Plastic O-Rings (3926.90.45.10) have a 38.5% total tax rate.
- The difference is solely due to the Base Tariff (2.5% for rubber vs. 3.5% for plastic). All other surcharges are identical.
π° III. 2026 Latest Tariff Rate Breakdown (Including Surcharges & Policy Additions)
β Applicable Country: United States (US)
β Origin: China (CN)
β Effective Date: Ongoing (Based on current trade policies)
π― 1. Vulcanized Rubber O-Rings (4016.93.50.10 / 4016.93.10.10)
| Item | Content |
|---|---|
| Base Tariff | 2.5% |
| Section 301 Add-on Tariff | +25.0% |
| Section 122 Clause Tariff | +10.0% |
| Total Tax Rate | 37.5% |
| Tax Calculation | CIF Value Γ 37.5% |
| De Minimis Exemption | β Not Applicable (High risk of detention) |
| Legal Basis Path | USITC:4016.93.xxxx β Section 301: 25% β Section 122: 10% |
π Explanation:
- The 25% is the standard Section 301 tariff on Chinese goods.
- The 10% is the Section 122 tariff (national security/essential items).
- Total 37.5% is significant for low-value items, impacting margins heavily.
π― 2. Plastic/Polymer O-Rings (3926.90.45.10)
| Item | Content |
|---|---|
| Base Tariff | 3.5% |
| Section 301 Add-on Tariff | +25.0% |
| Section 122 Clause Tariff | +10.0% |
| Total Tax Rate | 38.5% |
| Tax Calculation | CIF Value Γ 38.5% |
| De Minimis Exemption | β Not Applicable |
| Legal Basis Path | USITC:3926.90.45.10 β Section 301: 25% β Section 122: 10% |
π Note:
- Plastic O-rings are taxed 1% higher than rubber O-rings due to the higher base tariff (3.5% vs 2.5%).
- Both types are subject to the same high surcharges.
π οΈ IV. Customs Clearance Practical Advice (Real-World Pitfall Guide)
β 1. Required Documentation Checklist (None Can Be Omitted)
| Document | Mandatory? | Explanation |
|---|---|---|
| β Product Specification Sheet | βοΈ | Must clearly state: Material (Vulcanized Rubber vs. Plastic), Hardness, Standard (e.g., AS568). |
| β Material Safety Data Sheet (MSDS) | βοΈ | Especially for food-grade or chemical-resistant O-rings. |
| β Product Photos | βοΈ | Clear shots showing cross-section to verify material texture (rubber vs. plastic). |
| β Commercial Invoice | βοΈ | Must explicitly state "O-Ring" and material type. Avoid vague terms like "Seal Part." |
| β Packing List | βοΈ | Include dimensions and quantities. |
| β FDA Compliance Certificate | βοΈ | Crucial for Food-Grade O-Rings (HS 4016.93.10.10). Without this, customs may reject or detain. |
β 2. Declaration Tips (Key Mantra)
π₯ "Material First, Form Second, Standard Specific!"
| Situation | Correct Declaration | Wrong Practice |
|---|---|---|
| Rubber O-Ring | "O-Ring, Vulcanized Nitrile Rubber, AS568-200" | "Plastic Seal" β Wrong HS, penalty! |
| Plastic O-Ring | "O-Ring, PTFE Plastic, Custom Shape" | "Rubber O-Ring" β Wrong HS, penalty! |
| Food Grade | "Food-Grade Silicone O-Ring, FDA Compliant" | Just "O-Ring" β Risk of FDA detention |
| Bulk Shipment | Declare by HS code, group by material | Mix rubber and plastic in one line item β Audit risk |
β 3. Special Case Handling
| Situation | Handling Advice |
|---|---|
| Food-Grade O-Rings | Ensure FDA 21 CFR compliance documentation is attached. Misdeclaration leads to seizure. |
| Mixed Material Shipment | Do not mix rubber and plastic O-rings in one HS code line. Split declarations for 4016.93 and 3926.90 to avoid confusion. |
| Custom-Shape O-Rings | If not standard round cross-section, provide drawings. Still classified under 4016.93 (Rubber) or 3926.90 (Plastic) if it retains O-ring sealing function. |
| Kit with Other Parts | If O-rings are packed with pumps/valves, declare separately. O-rings are accessories, not part of the main machine. |
π V. Global Market Comparison (2026 Latest)
| Country/Region | Recommended HS Code | Tariff (China Origin) | Certification Requirement | Notes |
|---|---|---|---|---|
| πΊπΈ USA | 4016.93.10.10 / 3926.90.45.10 |
37.5% - 38.5% | FDA (if food grade), RoHS | High tariffs due to Section 301 & 122. |
| π¨π³ China | 4016.93 / 3926.90 |
5% - 8% | CCC (if applicable) | Lower tariffs, no surcharges. |
| πͺπΊ EU | 4016.93 / 3926.90 |
0% - 3.5% | REACH, RoHS | No Section 301/122 equivalents. |
| π¨π¦ Canada | 4016.93 / 3926.90 |
0% - 5% | CFIA (food) | CUSMA may offer duty-free for eligible goods. |
| π²π½ Mexico | 4016.93 / 3926.90 |
0% - 5% | NOM standards | USMCA benefits may apply. |
π Conclusion:
- USA is the most expensive market for O-rings due to 37.5%-38.5% total tariff.
- EU & Canada offer significantly lower costs.
- Cost Optimization: Consider sourcing from Vietnam/Mexico (with proper origin rules) to mitigate US tariffs.
π VI. Common Errors & Pitfall Guide (Lessons Learned)
β Error 1: Declaring "Plastic O-Ring" as "Rubber O-Ring"
π Consequence: Customs may reclassify, fine, or delay shipment. Tax difference is small (1%), but credibility is lost.
β Error 2: Omitting "Food Grade" status for FDA-inspected goods
π Consequence: FDA detention, destruction of goods, or return to sender.
β Error 3: Using vague terms like "Gasket" or "Seal" without specifying material
π Consequence: Customs may assign a higher default tariff or require extensive clarification.
β Error 4: Assuming De Minimis (Section 321) applies to O-rings
π Consequence: O-rings are often subject to scrutiny under Section 301. Even small packages may be taxed.
β Correct Practice:
"Vulcanized Rubber O-Ring, AS568 Size 002, Nitrile, Black, FDA Compliant, Made in China"
π― VII. Conclusion: Professional Declaration Saves Money!
π― Remember the Mantra:
πΉ "Material Defines Code, Tariff Follows Suit!"
πΉ "Rubber 37.5%, Plastic 38.5%, De Minimis No Free Pass!"
πΉ "Food Grade Needs FDA, Or Customs Will Say 'No'!"
π Pro Tip:
If your O-rings are intended for food, pharmaceutical, or medical use, ensure you have FDA 21 CFR documentation ready. For industrial use, standard MSDS and material specs suffice.
π Contact a professional customs broker for pre-classification rulings if your volume is high. Your profit margin depends on accurate HS codes!
β¨ Professional Clearance Starts with Precise Classification!
πΌ Every Cent Saved on Tariffs 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) β Broad category of goods (e.g., Chapter 84: Machinery and Mechanical Appliances)
- Heading (4 digits) β More specific grouping within the chapter
- Subheading (6 digits) β Internationally standardized breakdown, used by all WCO member countries
- National subdivisions (8-10 digits) β 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 β The standard duty rate applied to WTO members
- General rate β Applied to countries without trade agreements
- Trade remedy duties β 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.