Rubber Ring
CN β US| HS Code | Tariff Rate | Origin | Destination | Doc |
|---|---|---|---|---|
| 4008192000 | 35.0% | CN | US | Official Doc |
| 4016935050 | 37.5% | CN | US | Official Doc |
| 4008292000 | 37.9% | CN | US | Official Doc |
| 4016935010 | 37.5% | CN | US | Official Doc |
| 3926904510 | 38.5% | CN | US | Official Doc |
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AI Analysis
π ζ©‘θΆειε/ε―ε°η―οΌRubber Rings / GasketsοΌ
π HS Code Reference & Customs Clearance Guide | 2026 Latest Tariff Analysis | Professional Entry Strategies
π I. Product Definition & Classification: Do You Really Know "Rubber Rings"?
"Rubber Rings" is a generic term that can refer to various rubber components, but in international trade, precise classification depends on the material structure (foamed vs. solid) and shape/form (part, profile, or specific seal). Misclassification can lead to significant tariff discrepancies due to US additional duties.
The data provided identifies five potential HS Codes for "Rubber Separating Rings" (ζ©‘θΆειε), primarily falling under Chapter 40 (Rubber and Articles Thereof) and Chapter 39 (Plastics and Articles Thereof).
β οΈ Key Distinction Point:
- Solid Rubber Parts (e.g., simple rings, washers) β Usually 4008 or 4016.
- Non-Specific Shape/Extruded Profiles β 4008.29.
- Plastic/Synthetic Rubber Blends β 3926.90.
- O-Rings/Seals specifically classified as such β 4016.93.
π¦ δΊγHS Code Classification Details (Authoritative 2026 Tariffε―Ήη §)
Based on the provided data, here is the detailed breakdown for "Rubber Rings" (specifically "Rubber Separating Rings"):
| HS Code | Product Description (Summary) | Form/Characteristics | Application Context |
|---|---|---|---|
4008.19.20.00 |
Rubber separating ring, material: rubber, form: spare parts (rings/washers). Classified as parts under vulcanized rubber. | Spare Part / Washer Form | Generic rubber parts, simple rings, non-seal specific applications. |
4016.93.50.50 |
Rubber separating ring, material: rubber, form: separating ring. Belongs to gaskets, washers, and sealers category. | Gasket / Sealer | Standard industrial gaskets and sealing rings. |
4016.93.50.10 |
Rubber separating ring, material: rubber, form: washers, O-rings, and other sealing members. Fits O-ring sealing attributes. | O-Ring / Specific Seal | High-precision sealing, hydraulic/pneumatic O-rings. |
4008.29.20.00 |
Rubber separating ring, material: rubber, form: parts/profiles in rubber products. Non-foamed, non-specific shape. | Non-Foamed Profile | Extruded rubber sections, custom cut profiles, solid rubber blocks/rings not specifically shaped as seals. |
3926.90.45.10 |
Rubber separating ring, material inferred as plastic/synthetic rubber. Function/usage consistent with plastic washers/seals (O-rings). | Synthetic/Plastic Blend | Rubber-plastic hybrids, synthetic rubber seals behaving like plastic articles. |
π Critical Reminder:
-4008.19.20.00has the lowest base duty (0%) but still incurs high additional taxes.
-4008.29.20.00and4016.93.50.xxhave slightly higher base duties (2.9% and 2.5%) due to specific subheading structures.
-3926.90.45.10implies a material misclassification if the product is 100% natural/vulcanized rubber; use only if it contains significant plastic content.
π° δΈγ2026 Latest Tariff Rate Breakdown (Including Additional Duties)
β Applicable Country: United States (US)
β Origin: China (CN)
β Effective Time: 2025/2026 (Based on 301 Tariff + IEEPA Add-ons)
π― 1. 4008.19.20.00 ββ Rubber Parts (Washers/Rings) - Lowest Base Duty
| Item | Detail |
|---|---|
| Base Duty Rate | 0.0% (Ad Valorem) |
| Section 301 Additional Duty | +25.0% |
| IEEPA Additional Duty | +10.0% (Section 122/Tariff on China) |
| Total Tax Rate | 35.0% |
| Tax Calculation | CIF Value Γ 35% |
| De Minimis Exemption | β Not Eligible (Section 301 duties are generally excluded from de minimis threshold for China-origin goods) |
| Legal Basis | USITC:4008.19.20.00 β Footnote 301: 25% + IEEPA: 10% |
π Explanation:
- This is the most cost-effective HS code for simple rubber rings/washers.
- The 35% total rate is high but lower than other options due to the 0% base duty.
- Must ensure the product is clearly defined as a "part" or "washer" and not a complex "sealing assembly."
π― 2. 4016.93.50.50 & 4016.93.50.10 ββ Gaskets & O-Rings
| Item | Detail |
|---|---|
| Base Duty Rate | 2.5% (Ad Valorem) |
| Section 301 Additional Duty | +25.0% |
| IEEPA Additional Duty | +10.0% |
| Total Tax Rate | 37.5% |
| Tax Calculation | CIF Value Γ 37.5% |
| De Minimis Exemption | β Not Eligible |
| Legal Basis | USITC:4016.93.50.xx β Footnote 301: 25% + IEEPA: 10% |
π Explanation:
- If the rubber ring is specifically marketed as an "O-Ring" or "Gasket" for sealing purposes, Customs may prefer 4016.
- The rate is 37.5%, which is 2.5% higher than4008.19.20.00.
- Use this code if the productβs primary function is sealing and it meets the specific technical standards for gaskets/O-rings.
π― 3. 4008.29.20.00 ββ Non-Foamed Rubber Parts/Profiles
| Item | Detail |
|---|---|
| Base Duty Rate | 2.9% (Ad Valorem) |
| Section 301 Additional Duty | +25.0% |
| IEEPA Additional Duty | +10.0% |
| Total Tax Rate | 37.9% |
| Tax Calculation | CIF Value Γ 37.9% |
| De Minimis Exemption | β Not Eligible |
| Legal Basis | USITC:4008.29.20.00 β Footnote 301: 25% + IEEPA: 10% |
π Explanation:
- Applies to non-foamed rubber articles that are not specific parts or seals (e.g., raw rubber profiles, generic rubber shapes).
- Highest base duty among the rubber options.
- Avoid unless the product cannot be classified as a part (4008.19) or seal (4016).
π― 4. 3926.90.45.10 ββ Plastic/Synthetic Rubber Seals
| Item | Detail |
|---|---|
| Base Duty Rate | 3.5% (Ad Valorem) |
| Section 301 Additional Duty | +25.0% |
| IEEPA Additional Duty | +10.0% |
| Total Tax Rate | 38.5% |
| Tax Calculation | CIF Value Γ 38.5% |
| De Minimis Exemption | β Not Eligible |
| Legal Basis | USITC:3926.90.45.10 β Footnote 301: 25% + IEEPA: 10% |
π Explanation:
- Only applicable if the ring is not 100% rubber but a plastic/synthetic blend.
- Highest total rate (38.5%) among the options.
- Risk: If Customs determines it is actually rubber, this classification will be rejected, leading to penalties. Use only for confirmed plastic-synthetic hybrids.
π οΈ εγCustoms Clearance Practical Advice (Real-World Pitfall Avoidance)
β 1. Documentation Checklist (Mandatory)
| Document | Required? | Purpose |
|---|---|---|
| β Product Specification Sheet | βοΈ | Must specify material composition (e.g., "100% Vulcanized Rubber" vs. "Nitrile Rubber Blend"). |
| β Material Safety Data Sheet (MSDS) | βοΈ | To prove material content and rule out plastic blends if claiming rubber HS codes. |
| β Product Photos (Clear) | βοΈ | Show cross-section, shape, and any markings (e.g., "O-RING", "GASKET"). |
| β Commercial Invoice | βοΈ | Clearly state "Rubber Separating Ring" or "Rubber Washer," NOT generic "Rubber Part" if possible. |
| β Packing List | βοΈ | Ensure quantity and weight match invoice. |
| β Origin Certificate | βοΈ | Required for China origin verification to apply 301/IEEPA duties. |
β 2. Declaration Strategy (Key Mantras)
π₯ "Shape Defines Code, Material Defines Chapter, Function Defines Subheading!"
| Scenario | Recommended HS Code | Reason |
|---|---|---|
| Simple Rubber Ring/Washer (No specific sealing tech) | 4008.19.20.00 |
Lowest base duty (0%), classified as generic part. |
| Standard O-Ring/Gasket (Sealing function) | 4016.93.50.10 or .50 |
Classified as specific seal/gasket. Base duty 2.5%. |
| Raw Rubber Profile/Extrusion | 4008.29.20.00 |
Non-specific shape, non-foamed. Base duty 2.9%. |
| Plastic-Coated or Hybrid Ring | 3926.90.45.10 |
Only if >50% plastic/synthetic content. Base duty 3.5%. |
β 3. Special Handling Tips
| Situation | Advice |
|---|---|
| Is it an "O-Ring"? | If it meets ASTM D2000 or similar standards for O-rings, declare as 4016.93.50.10. Customs may scrutinize 4008 for O-rings. |
| Material Ambiguity | Provide a Lab Test Report proving it is rubber. If itβs "synthetic rubber," ensure itβs not classified as plastic (3926) unless intended. |
| Small Value Shipment | Warning: Even small shipments are subject to 35-38.5% duties. Do NOT rely on de minimis ($800) exemption for China-origin rubber goods; it is blocked for these codes. |
| Customs Ruling | For high-volume imports, apply for an Advance Ruling to lock in the HS Code and avoid post-clearance audits. |
π δΊγGlobal Market Comparison (2026 Update)
| Region | Recommended HS Code | Total Duty (China Origin) | Notes |
|---|---|---|---|
| πΊπΈ USA | 4008.19.20.00 (Best) |
35.0% | Highest base duty is 0%. 301 + IEEPA apply. |
| π¨π³ China | 4008.19.20.00 |
~5-8% | Lower import duties, no 301 tariffs. |
| πͺπΊ EU | 4016.93.50.50 |
~5-6% | No 301 tariffs. VAT applies separately. |
| π¬π§ UK | 4008.19.20.00 |
~5-6% | Post-Brexit tariff, no US-style add-ons. |
π Conclusion:
- The US market is the most challenging due to the 35-38.5% total tariff burden.
-4008.19.20.00is the most cost-effective entry point for simple rubber rings.
-4016.93is safer for standardized sealing products but costs 2.5% more.
π ε γCommon Errors & Pitfalls (Lessons Learned)
β Error 1: Classifying O-Rings as generic 4008.19.20.00
π Consequence: Customs may reclassify to 4016.93.50.10, resulting in 2.5% higher duty + potential penalties for misclassification.
π Fix: If the product is an O-Ring, use 4016.
β Error 2: Assuming de minimis exemption applies
π Consequence: Package seized or taxed retroactively. China-origin rubber goods are excluded from $800 de minimis under current IEEPA/301 rules.
π Fix: Always declare and pay duties for US-bound shipments.
β Error 3: Vague Description "Rubber Ring"
π Consequence: Customs officer has discretion to choose the highest duty code or request detailed specs.
π Fix: Use precise terms: "Vulcanized Rubber Separating Ring, Part No. XYZ, Material: NBR."
β Correct Practice:
"Rubber Separating Ring, Solid Vulcanized Rubber, Non-Foamed, Used as Spacer, Model ABC" β 4008.19.20.00
π― δΈγConclusion: Precision Saves Money!
π― Remember the Mantra:
πΉ "Simple Ring? Go 4008 (35%). O-Ring? Go 4016 (37.5%). Hybrid? Go 3926 (38.5%)."
πΉ "No de minimis for China! Pay duty upfront!"
πΉ "Material proof is key! Avoid 3926 if it's rubber!"
π Pro Tip:
If your rubber rings are original from Vietnam, Mexico, or Thailand, you may apply for IEEPA/301 exemptions, reducing the total duty to 0-5%.
β
Action:
π Contact your customs broker immediately.
π Prepare Material Test Reports.
π Apply for Advance Ruling to secure the 35% rate (4008.19.20.00) if applicable.
β¨ Professional Clearance Starts with Precise Classification!
πΌ Every 1% saved on duty is pure profit!
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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.