Metal Composite Paper Gasket
CN β US| HS Code | Tariff Rate | Origin | Destination | Doc |
|---|---|---|---|---|
| 8484900000 | 37.5% | CN | US | Official Doc |
| 8484100000 | 37.5% | CN | US | Official Doc |
| 4823908000 | 35.0% | CN | US | Official Doc |
| 4823906000 | 35.0% | CN | US | Official Doc |
| 8484900000 | 37.5% | CN | US | Official Doc |
AI Analysis
π₯οΈ Metal Composite Paper Gaskets: Precision Classification & US Customs Strategy (2026)
π HS Code Reference & Customs Clearance Guide | Latest Tariff Analysis | Professional Compliance Strategy
π I. Product Definition & Classification: What Exactly is a "Metal Composite Paper Gasket"?
A "Metal Composite Paper Gasket" is a sealing component designed to prevent leakage between two mating surfaces. In international trade, the classification hinges on the dominant material, structural integrity, and specific composite nature of the gasket.
These gaskets are generally categorized into two main types based on their composition: 1. Metal-Layered Composite Gaskets: Where metal sheets provide structural strength, and paper/fiber provides compression and sealing. 2. Pure Paper Gaskets: Made entirely of compressed paper or fiber material, often used in lower-pressure applications.
β οΈ Key Distinction Point:
- If the gasket contains metal plates/sheets bonded with paper β It falls under Chapter 84 (Machinery Parts) as "Gaskets of similar kind."
- If the gasket is purely paper/fiber without structural metal layers β It falls under Chapter 48 (Paper) as "Cut paper."
- The presence of metal significantly alters the tax burden due to Section 301 and IEEPA tariffs on Chinese-origin machinery parts.
π¦ II. HS Code Classification Details (2026 Latest Tariff Authority)
Based on the product data, here are the precise classifications:
| HS Code | Product Description | Applicable Scenario | Material Structure |
|---|---|---|---|
8484.90.00.00 |
Gaskets and similar joints, of metal or of two or more layers of metal and other materials | Metal-Paper Composite Metal plates bonded with paper layers |
β
Mixed (Metal + Paper) Primary: Machinery Part |
8484.10.00.00 |
Gaskets and similar joints, of metal only | Metal Sheet + Paper Core Defined as "Metal sheets combined with paper material" |
β
Mixed Key Element: Metal definition |
4823.90.80.00 |
Cut paper and paperboard, printed, of a kind used for technical purposes | Pure Paper Gasket Explicitly includes material and use |
β No Metal Pure Paper/Fiber |
4823.90.60.00 |
Cut paper and paperboard, in the form of gaskets | Pure Paper Gasket Form defined as gasket |
β No Metal Pure Paper/Fiber |
π Critical Reminder:
- Composite Gaskets (Metal+Paper) are classified under 8484, not 4823, because the metal layer provides structural function.
- Pure Paper Gaskets are classified under 4823, regardless of shape, as long as no metal is involved.
- Misclassification Risk: Declaring a metal-composite gasket as pure paper (4823) to save taxes is a high-risk violation leading to penalties.
π° III. 2026 Latest Tariff Rate Breakdown (Including Additional Taxes, Policy Surcharges)
β Applicable Country: United States (US)
β Country of Origin: China (CN)
β Effective Date: November 10, 2025 (and subsequent imports)
π― 1. 8484.90.00.00 & 8484.10.00.00 β Metal Composite Gaskets
| Item | Details |
|---|---|
| Base Tariff | 2.5% (ad valorem) |
| Section 301 Additional Duty | +25.0% (USITC Footnote) |
| 122 Clause IEEPA Surcharge | +10.0% (Targeting China/HK products) |
| Total Effective Rate | 37.5% |
| Tax Calculation | CIF Value Γ 37.5% |
| De Minimis Exemption | β Not Eligible (deny_de_minimis) |
| Legal Authority Path | IEEPA:9903.01.25 β Section 301: 8484 β FOOTNOTE:8484 |
π Explanation:
- "Base 2.5%": Standard Most Favored Nation (MFN) rate for gaskets/machinery parts.
- "Section 301 +25%": Applies to all Chinese-origin goods under HTS 8484.
- "122 Clause +10%": Specific surcharge for certain Chinese industrial components under IEEPA.
- Total 37.5% is a high-cost barrier. Proper classification is critical to avoid overpayment or audits.
π― 2. 4823.90.80.00 & 4823.90.60.00 β Pure Paper Gaskets
| Item | Details |
|---|---|
| Base Tariff | 0.0% |
| Section 301 Additional Duty | +25.0% |
| 122 Clause IEEPA Surcharge | +10.0% |
| Total Effective Rate | 35.0% |
| Tax Calculation | CIF Value Γ 35.0% |
| De Minimis Exemption | β Not Eligible (deny_de_minimis) |
| Legal Authority Path | IEEPA:9903.01.25 β Section 301: 4823 β FOOTNOTE:4823 |
π Note:
- Even though the base rate is 0%, the 35% total is still significant.
- Savings vs. Metal Composite: You save 2.5% compared to metal-composite gaskets.
- Caution: This only applies if the gasket is 100% paper/fiber. If any metal washer, ring, or foil is present, it must be classified under 8484.
π οΈ IV. Customs Clearance Practical Advice (Real-World Pitfall Guide)
β 1. Documentation Checklist (Non-negotiable)
| Document | Required? | Description |
|---|---|---|
| β Product Specification Sheet | βοΈ | Must clearly state: "Metal Layer Present" or "Pure Paper." Include material composition %. |
| β Material Composition Certificate | βοΈ | Third-party lab report confirming no metal in pure paper gaskets. |
| β Product Photos (Clear) | βοΈ | Show cross-section if composite. Show packaging. |
| β Commercial Invoice | βοΈ | Use precise description: "Paper Gasket" vs. "Metal-Faced Paper Gasket." |
| β Packing List | βοΈ | Ensure no mixed shipments of HS 8484 and HS 4823 in same container without clear segregation. |
| β Certificate of Origin (CO) | βοΈ | Essential for proving CN origin (triggering 301/122 tariffs). |
β 2. Declaration Tactics (Key Mantra)
π₯ "Metal Face = 8484 (37.5%), Pure Paper = 4823 (35%)!"
| Scenario | Correct Declaration | Wrong Practice |
|---|---|---|
| Gasket has metal outer ring/washer | 8484.90.00.00 |
Misdeclare as "Paper Gasket" β Audit Risk + Penalties |
| Gasket is entirely fiber/paper | 4823.90.80.00 |
Misdeclare as "Machinery Part" β Overpay 2.5% |
| Composite Gasket (Metal+Paper) | 8484.10.00.00 |
Split into "Metal Ring" + "Paper Pad" β Complexity + Risk |
β 3. Special Cases Handling
| Situation | Handling Advice |
|---|---|
| OEM Custom Gaskets | Provide engineering drawings showing material layers. If metal is structural, itβs 8484. |
| Multi-Layer Gaskets | If metal is just a coating (foil <0.1mm), may still be 8484. Consult expert. |
| Gaskets for Automotive vs. Industrial | HS Code does not change based on end-use for gaskets (unlike monitors). Stick to material. |
| Mixed Container | Separate boxes clearly labeled with HS Code. Do not mix CN-origin gaskets with non-CN to confuse customs. |
π V. Global Market Comparison (2026 Latest)
| Country/Region | Recommended HS Code | Tariff Rate (China Origin) | Certification | Remarks |
|---|---|---|---|---|
| πΊπΈ USA | 8484.90.00.00 |
37.5% | No specific cert needed | Highest cost due to 301+122 |
| πΊπΈ USA | 4823.90.80.00 |
35.0% | No specific cert needed | Slightly cheaper, but strict material proof |
| π¨π³ China | 8484.90.00.00 |
~2.5% (Import Duty) | - | Low import duty, but no 301/122 |
| πͺπΊ EU | 8484.10.00.00 |
~2.5% | CE (if part of machinery) | No Section 301 equivalent |
| π―π΅ Japan | 8484.10.00.00 |
~3.0% | JIS (if applicable) | Stable, no political surcharges |
π Conclusion:
- USA is the most expensive market for Chinese gaskets due to political tariffs.
- No significant tariff advantage between 8484 and 4823 in other major markets (EU/JP).
- Strategy: For US exports, consider Vietnam/Malaysia manufacturing to avoid 301/122 tariffs (check substantial transformation rules).
π VI. Common Mistakes & Pitfalls (Blood & Tears Lessons)
β Mistake 1: Declaring a metal-faced gasket as "Paper Gasket" (4823)
π Consequence: Customs lab test reveals metal β Seizure + Fine + Back Taxes + 37.5% vs 35% discrepancy scrutiny.
β Mistake 2: Ignoring the "122 Clause"
π Consequence: Underpaying by 10% β CBP Audit + Interest + Penalties.
β Mistake 3: Mixing HS Codes in one invoice without clear line-item separation
π Consequence: Delays at border β Demurrage Charges.
β Mistake 4: Using vague terms like "Gasket" on Invoice
π Consequence: Customs assigns highest dutiable rate or requests clarification β Delay.
β Correct Practice:
"Paper Gasket, Pure Fiber, 100% Paper, No Metal Components, Model PG-100"
OR
"Metal-Faced Paper Gasket, Steel Outer Ring, Paper Core, Model MG-200"
π― VII. Conclusion: Precision Saves Money
π― Remember the Mantra:
πΉ "Metal = 8484 (37.5%), Paper = 4823 (35%)!"
πΉ "122 Clause adds 10% to ALL China-origin machinery/paper parts!"
πΉ "Prove your material! Don't guess!"
π Pro Tip:
If your gaskets are exclusively pure paper, you can save 2.5% vs. metal-composite. However, if thereβs any doubt, classifying as 8484 is safer to avoid fraud allegations.
Consider pre-ruling with US CBP if your product is borderline (e.g., thin foil + paper).
π£ Immediate Action:
π Contact a licensed US customs broker.
π Provide material certificates.
π Clear the path for smooth customs clearance!
β¨ Professional Customs Clearance Starts with Accurate Classification!
πΌ Your bottom line depends on the HS Code!
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.