塑料化工管
CN → US| HS Code | Tariff Rate | Origin | Destination | Doc |
|---|---|---|---|---|
| 3917320010 | 38.1% | CN | US | Official Doc |
| 3917310000 | 38.1% | CN | US | Official Doc |
| 3917290090 | 38.1% | CN | US | Official Doc |
| 3917290050 | 38.1% | CN | US | Official Doc |
| 3926901000 | 20.9% | CN | US | Official Doc |
AI Analysis
🧪 Plastic Chemical Media Hoses (Plastic Chemical Pipes)
🌐 HS Code Reference & Customs Clearance Guide | 2026 Latest Tariff Analysis | Professional Transit Strategy
📌 I. Product Definition & Classification: Do You Really Understand "Plastic Chemical Pipes"?
Plastic chemical media hoses are critical components in industrial logistics, used for the safe transportation of corrosive, hazardous, or high-purity chemical fluids. In international trade, the classification depends heavily on material composition, structural form (reinforced vs. non-reinforced), and end-use.
Key Distinction Logic: 1. Hard Pipes vs. Flexible Hoses: If the product is rigid, it might be classified under "Plastic Pipes" (Heading 3917 or 3926). If it is flexible and reinforced, it falls under Heading 3917 (Flexible Tubes, Pipes, and Hoses). 2. Reinforcement Layer: The presence of metal or other reinforcing materials can drastically change the HS Code and, consequently, the tariff rate. 3. Application: While "Chemical Media" is the use, the HS system classifies primarily by material and form, not end-use (unless specified in a specific subheading).
⚠️ Critical Warning:
- Misclassifying a reinforced hose as a basic plastic pipe can lead to severe underpayment of duties (especially with current US-China trade tensions). - "Chemical Resistant" is a performance feature, not a classification criterion. You must declare the correct material (e.g., PVC, PTFE, PE) and structure.
📦 II. HS Code Classification Matrix (Based on Provided Data)
| HS Code | Product Description & Structure | Tax Rate (Total) | Key Tax Components | Primary Risk/Note |
|---|---|---|---|---|
| 3917.32.00.10 | Plastic Chemical Media Hose: Flexible hose, plastic material, designed for chemical media transmission. | 38.1% | Base: 3.1% Section 301: 25.0% Section 122: 10.0% |
High Risk: Explicitly identified as "Chemical Media Hose". |
| 3917.31.00.00 | Plastic Chemical Media Hose: Material meets plastic requirements, flexible form, for chemical medium delivery. | 38.1% | Base: 3.1% Section 301: 25.0% Section 122: 10.0% |
High Risk: Similar to above; "31" vs "32" often denotes specific polymer types (e.g., PVC vs. Other Plastics). |
| 3926.90.10.00 | Plastic Chemical Drum/Container: Plastic material, bucket shape, used for chemical packaging. | 20.9% | Base: 3.4% Section 301: 7.5% Section 122: 10.0% |
Lower Risk: Classified as "Other Articles of Plastics" (Packaging), not tubing. |
| 3923.90.00.12 | Plastic Chemical Drum/Container: Plastic material, bucket form, under "Other" categories, reasonable match. | 38.0% | Base: 3.0% Section 301: 25.0% Section 122: 10.0% |
Trap Risk: "3923" is for articles for the conveyance/packaging of goods. If misidentified as a simple packaging item without proper documentation, it may be flagged. |
| 3923.90.00.14 | Plastic Chemical Drum/Container: Plastic material, bucket shape, for chemical packaging. | 38.0% | Base: 3.0% Section 301: 25.0% Section 122: 10.0% |
Trap Risk: Similar to 3923.90.00.12; high tariff due to Section 301. |
🔍 Analysis of the "Plastic Pipe" Ambiguity:
- The term "Plastic Chemical Pipe" in user input is ambiguous. It can refer to: 1. Hoses/Tubing (3917): Flexible, often reinforced. Tax: ~38.1%. 2. Rigid Pipes (Not in list, but typically 3917.40 or 3909/3911 depending on material): Rigid conduits. 3. Packaging Drums/Barrels (3926/3923): Sometimes "pipes" are confused with "containers" in broad searches. Tax: 20.9% - 38.0%. - Conclusion: If your product is a flexible hose, it falls under 3917. If it is a rigid pipe, you must check if it fits 3917.40 (Rigid plastic pipes). If it is a drum/container, it falls under 3926/3923.
💰 III. Detailed Tariff Breakdown (2026 US-China Context)
✅ Applicable Country: United States (US)
✅ Origin: China (CN)
✅ Validity: Effective from current trade policies (2025-2026)
🎯 1. Flexible Hoses (HS Codes 3917.32.00.10 & 3917.31.00.00)
| Item | Detail |
|---|---|
| Base Tariff | 3.1% (Most Favored Nation rate for plastic tubes/hoses) |
| Section 301 Tariff (Add-on) | +25.0% (Retaliatory tariffs on Chinese plastics) |
| Section 122 Tariff (Add-on) | +10.0% (Specific tariffs under 122 clauses) |
| Total Effective Duty | 38.1% |
| Calculation Basis | CIF Value (Cost + Insurance + Freight) × 38.1% |
| De Minimis Exemption? | ❌ NO (Section 301 tariffs generally do not apply to de minimis, but Section 122/301 combined often negate benefits for high-volume commercial imports) |
| Legal Path | HTSUS: 3917.31/32 → Section 301 Footnote → Section 122 Authority |
📌 Explanation:
- These hoses are considered industrial plastics. The US imposes high tariffs to protect domestic manufacturing. - "Chemical Media" use does not grant exemption. It is still classified as a plastic hose.
🎯 2. Plastic Drums/Containers (HS Codes 3926.90.10.00, 3923.90.00.12, 3923.90.00.14)
| Item | Detail |
|---|---|
| Base Tariff | 3.0% - 3.4% (Depends on specific subheading "Other articles") |
| Section 301 Tariff (Add-on) | +7.5% (For 3926.90.10.00) OR +25.0% (For 3923.90.00.12/.14) |
| Section 122 Tariff (Add-on) | +10.0% |
| Total Effective Duty | 20.9% (for 3926.90.10.00) OR 38.0% (for 3923.90.00.12/.14) |
| Calculation Basis | CIF Value × Applicable Total Rate |
| De Minimis Exemption? | ❌ NO (High risk of audit) |
| Legal Path | HTSUS: 3926/3923 → Section 301 Footnote → Section 122 Authority |
📌 Explanation:
- 3926.90.10.00 (Plastic Chemical Drum) has a lower Section 301 rate (7.5%) compared to other plastic articles, resulting in a 20.9% total. - 3923.90 codes attract the full 25% Section 301 rate, leading to 38.0% total. - Critical: Ensure your "Drum" is correctly classified. If it's a "Packaging Container" (3923), it faces higher tariffs than a simple "Plastic Article" (3926).
🛠️ IV. Customs Clearance Practical Advice (Avoid Pitfalls)
✅ 1. Required Documentation Checklist
| Document | Must Provide? | Purpose |
|---|---|---|
| ✅ Product Technical Data Sheet | ✔️ | Must specify Material (e.g., PVC, PTFE, Polyethylene), Inner/Outer Diameter, Wall Thickness, and Reinforcement Type (e.g., steel wire, fabric). |
| ✅ Commercial Invoice | ✔️ | Description must be precise: "Flexible Plastic Hose for Chemical Transfer, Material: PVC, Reinforced: Yes/No" |
| ✅ Certificate of Origin | ✔️ | To determine eligibility for any future exemptions (though unlikely for CN origin currently). |
| ✅ Safety Data Sheet (SDS) | ✔️ | If the hose contains hazardous additives or is used for specific dangerous goods, SDS proves compliance. |
| ✅ Photographs | ✔️ | Clear images of the cross-section (to show reinforcement) and end-use application. |
✅ 2. Declaration Strategy (Key Tips)
🔥 "Correct Code Saves Money, Wrong Code Costs Double!"
| Scenario | Correct HS Code | Wrong HS Code | Consequence |
|---|---|---|---|
| Flexible Chemical Hose | 3917.32.00.10 |
3917.40.00.00 (Rigid Pipes) |
Audit Risk: Rigid pipes may have different rates, but customs will reclassify and charge penalties. |
| Plastic Drum | 3926.90.10.00 |
3923.90.00.14 |
Overpayment: 20.9% vs 38.0%. If you declared 3923, you might get a refund but face delays. If you declared 3926 for a 3923 item, you face underpayment penalties. |
| Reinforced Hose | 3917.32 (if reinforced) |
3917.31 (if non-reinforced) |
Misclassification: Different polymer types have different base rates. |
✅ 3. Special Cases & Exemptions
| Situation | Advice |
|---|---|
| OEM Custom Hoses | Provide the client's design spec. If it's a unique chemical-resistant alloy hose, it might still fall under plastic if the base is plastic. |
| Sample Imports | Even for samples, if the value exceeds de minimis thresholds ($800), duties apply. |
| Transshipment | ❌ Do NOT transship through Vietnam/Mexico to evade Section 301. US Customs actively audits origin. Penalties are severe. |
| Chemical Resistance Proof | If challenged, provide lab tests proving the hose is suitable for the declared chemicals (e.g., HCl, H2SO4). This supports the "Chemical Media" description but does not change HS Code. |
🌍 V. Global Market Comparison (2026)
| Region | Recommended HS Code | Estimated Duty (China Origin) | Key Requirement |
|---|---|---|---|
| 🇺🇸 USA | 3917.32.00.10 |
38.1% | Section 301 + 122. High Cost. |
| 🇪🇺 EU | 3917.39.00 |
~4.5% | No Section 301. Standard EU duty. |
| 🇨🇳 China | 3917.32.00 |
0% - 7% | Import duty varies; VAT applies. |
| 🇯🇵 Japan | 3917.39.00 |
~3.5% | No significant trade war tariffs. |
📌 Conclusion:
- USA is the most expensive market for plastic chemical hoses due to 38.1% total tariffs. - EU and Japan offer significantly lower costs (~3-5%). - Strategy: If shipping to the US, ensure absolute accuracy in HS Code to avoid fines. Consider supply chain diversification if volume is high, as 38.1% is a significant margin eroder.
📌 VI. Common Mistakes & Pitfalls (Lessons Learned)
❌ Mistake 1: Calling all plastic tubes "Pipes"
👉 Result: Customs may reclassify flexible hoses as rigid pipes (3917.40), leading to incorrect duty assessment and delays.
❌ Mistake 2: Ignoring "Reinforcement"
👉 Result: Reinforced hoses often have different subheadings. Misdeclaring a reinforced hose as non-reinforced is fraud.
❌ Mistake 3: Assuming "Chemical" = "Exempt"
👉 Result: NO EXEMPTION exists for chemical-resistant plastics under current US trade policy. You will pay the full 38.1%.
❌ Mistake 4: Confusing Drums (3926) with Hoses (3917)
👉 Result: 3926.90.10.00 is cheaper (20.9%) than 3917.32 (38.1%). If you import drums, ensure they are not misdeclared as hoses to save money, or vice versa. Accuracy is key.
✅ Correct Declaration Example:
"Flexible Plastic Hose for Chemical Media, Material: Polyethylene, Inner Diameter: 2 inches, Reinforced: Steel Wire, Origin: China"
🎯 VII. Conclusion: Professional Clearance, Cost Control
🎯 Remember:
🔹 "Hoses are 3917, Drums are 3923/26. Don't Mix Them!"
🔹 "China Origin = 38.1% Duty for Hoses. Plan Your Margin!"
🔹 "Documentation Saves Time, Misclassification Costs Thousands."
📌 Pro Tip:
If you are importing large volumes, apply for an Advance Ruling (Pre-classification) from US Customs and Border Protection (CBP). It provides legal certainty and protects you from retroactive penalties.
📣 Immediate Action:
📞 Consult a licensed customs broker.
📤 Provide detailed product specs (Material, Reinforcement, Shape).
🚀 Optimize your supply chain for the 38.1% tariff reality.
✨ Precision in Classification, Profit in Trade!
💼 Every percentage point matters in chemical logistics!
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.