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Anti static Agent for Casings

CN → US
HS Code Tariff Rate Origin Destination Doc
3402 0.0% CN US Official Doc

AI Analysis

🛡️ Anti-Static Agents for Casings (Electronic & Industrial Plastics)


🌐 HS Code Reference & Customs Clearance Guide | 2026 Latest Tariff Analysis | Professional Clearance Strategy
📌 I. Product Definition & Classification: What Exactly is an "Anti-Static Agent"?

Anti-static agents for casings are chemical additives used to reduce surface resistance and prevent the accumulation of static electricity on plastic housings (casings) for electronics, automotive parts, and industrial equipment. They are not the casings themselves, nor are they final consumer electronics.

In international trade, they are classified based on their chemical composition and form (liquid, powder, masterbatch).

⚠️ Key Distinction:
- If it is a pure chemical compound (organic or inorganic salt) → Likely Chapter 29 or 38;
- If it is a mixed formulation (additives + carrier/resin) → Likely Chapter 38;
- If it is a pre-dispersed masterbatch (pellets) → Still Chapter 38 (prepared adhesives/additives), not plastics (Chapter 39).


📦 II. HS Code Classification Details (2026 Latest Tariff Authority Cross-Reference)

HS Code Product Description Applicable Scenario Is it a Finished Product?
3824.99.99.15 Other chemical products prepared as anti-static agents (liquid/powder) Additives for injection molding, surface sprays ❌ No (Additive)
3824.99.99.20 Other chemical products prepared as anti-static agents (masterbatch) Pre-mixed pellets for plastics processing ❌ No (Additive)
2931.90.00.00 Pure organic sulfonates or similar anti-static compounds Raw chemical intermediate (rare for direct casing use) ❌ No (Raw Material)
3902.10.00.00 Polyolefins (if sold as anti-static plastic pellets) If the product is already a plastic resin with anti-static properties ✅ Yes (Semi-finished Plastic)
3926.90.97.80 Other articles of plastics (if sold as finished anti-static casing) If the casing is already molded ✅ Yes (Finished Good)

🔍 Critical Reminder:
- Most "Anti-Static Agents" are chemical additives → Use 3824.
- Do NOT classify as plastic resin (3902/3904) unless it is a pre-compounded plastic pellet.
- Do NOT classify as the final casing (3926) unless it is a completed molded part.
- Misclassification Risk: Declaring "Anti-static Agent" as "Plastic Raw Material" can lead to underpayment of duties (3824 ~6-8%, 3902 ~0-2.5%).


💰 III. 2026 Latest Tariff Rate Breakdown (Including Surtaxes & Policy Add-ons)

Applicable Country: United States (US)
Origin: China (CN)
Effective Time: November 10, 2025 (and onwards)

🎯 1. 3824.99.99.15 / 3824.99.99.20 —— Chemical Additives (Anti-Static Agents)

Item Content
Base Tariff 6.4% (ad valorem)
USITC Additional Tariff +0% (No Section 301 surtax for 3824 generally, verify specific footnote)
IEEPA Additional Tariff +10% (China-specific, effective Nov 10, 2025)
Total Tariff Rate 16.4%
Calculation Method CIF Value × 16.4%
De Minimis Eligibility Yes (for shipments < $800, if other regulations allow)
Legal Path IEEPA:9903.01.24USITC:3824.99.99.15/20

📌 Explanation:
- Unlike electronics or steel, chemical additives (3824) generally do not carry the heavy 25% Section 301 tariff.
- However, the 10% IEEPA tariff still applies to Chinese-origin goods.
- Total burden is moderate (16.4%), making this category more favorable than electronics (which can face 20-45%).

⚠️ Note: Some specific anti-static chemicals may fall under 2931 (organic sulfonates). If so:
- Base: 6.4%
- IEEPA: +10%
- Total: 16.4%
- No Section 301 25% surcharge typically applies to 2931.


🎯 2. 3902.10.00.00 —— Anti-Static Plastic Resin (Masterbatch/Pellets)

Item Content
Base Tariff 2.5% (Standard MFN)
USITC Additional Tariff +7.5% (Section 301 List 4B, effective Jan 2025)
IEEPA Additional Tariff +10% (China-specific)
Total Tariff Rate 20.0%
Calculation Method CIF Value × 20.0%
De Minimis Eligibility ✅ Yes (if < $800)

📌 Explanation:
- If your product is a pre-compounded plastic pellet (e.g., "ABS Anti-Static Granules"), it is classified as plastic material, not additive.
- This incurs Section 301 tariffs (7.5%) + IEEPA (10%) + Base (2.5%) = 20%.
- Still cheaper than electronics, but higher than pure chemical additives.


🛠️ IV. Customs Clearance Practical Advice (Pitfall Avoidance Guide)

✅ 1. Required Documentation Checklist (Non-Negotiable)

Document Must Provide Description
Safety Data Sheet (SDS) ✔️ Crucial Must state: Non-hazardous, Flash Point, HS Code recommendation
Product Specification Sheet ✔️ Composition % (e.g., "Surfactant 90%, Carrier 10%"), Form (Liquid/Powder)
Formula Declaration ✔️ List all chemical names (CAS numbers) to prove no controlled substances
Commercial Invoice ✔️ Clear description: "Anti-static additive for plastic casings, NOT electronics"
Certificate of Analysis (COA) ✔️ Shows surface resistance value (e.g., 10^9 ohms) to prove function
Non-Dangerous Goods Declaration ✔️ Required for shipping (IATA/IMDG) if liquid

✅ 2. Declaration Tips (Key Mantra)

🔥 “Don’t say ‘Casing’, Say ‘Additive’; Don’t say ‘Electronics’, Say ‘Chemical’!”

Situation Correct Declaration Incorrect Declaration
Liquid/Powder Additive 3824.99.99.15/20
“Anti-static chemical additive”
“Plastic Casing” → 3926 (Wrong)
Plastic Pellets 3902.10.00.00
“Anti-static ABS Resin”
“Electronics Part” → 8543 (Wrong)
Spray Bottle (Ready-to-use) 3824.99.99.15
“Surface treatment agent”
“Cleaning Supply” → 3402 (Possible but risky)

💡 Pro Tip:
If the product is ready-to-use spray, customs may argue it’s a "prepared cleaning agent" (3402).
- 3402 Tariff: 0% base + 0% Section 301 + 10% IEEPA = 10%.
- Argument: If it’s only for static control (not cleaning), insist on 3824.
- Risk: If audited, 3402 might be accepted, lowering tax to 10%. Negotiate this!


✅ 3. Special Cases Handling

Scenario Handling Advice
Contains Solvents If flammable, must declare as Dangerous Goods (DG). HS Code may shift to 2905/3824.
OEM Custom Formula Provide customer’s technical sheet. Claim same HS code as previous shipments.
Shipped in Bulk Drums Ensure SDS lists UN Number (if hazardous). If non-hazardous, exempt from DG fees.
Intended for Medical Casings No special tariff benefit. Ensure REACH/US EPA compliance if needed.

🌍 V. Global Market Comparison (2026 Latest)

Country/Region Recommended HS Code Tariff Rate (China Origin) Certification Requirements Notes
🇺🇸 USA 3824.99.99.15 16.4% SDS, TSCA Compliance 301 tax usually exempt for 3824
🇨🇳 China 3824.99.99.15 6.5% None Low import duty
🇪🇺 EU 3824.99.90 6.5% REACH Registration MANDATORY Highest regulatory barrier
🇬🇧 UK 3824.99.90 6.5% UK REACH Post-Brexit compliance needed
🇯🇵 Japan 3824.99.90 6.0% PRTR Law Disclosure Low tariff, strict chemical reporting

📌 Conclusion:
- EU/UK have the highest compliance costs (REACH), not just tariffs.
- USA has moderate tariff (16.4%) but strict TSCA reporting.
- China has low tariffs (6.5%), ideal for sourcing additives.


📌 VI. Common Mistakes & Pitfalls (Lessons Learned)

Mistake 1: Declaring "Anti-Static Agent" as "Plastic Raw Material" (3902)
👉 Consequence: Under-declaring duty (6.4% vs 2.5% base + 7.5% 301). Customs audit risk!
👉 Fix: If it’s a chemical additive, use 3824. If it’s a plastic pellet, use 3902. Know your form!

Mistake 2: Not providing SDS (Safety Data Sheet)
👉 Consequence: Shipment held at port for chemical safety inspection. Delays 1-2 weeks.
👉 Fix: SDS must be in English, GHS-compliant, and match the product description.

Mistake 3: Ignoring TSCA (USA) or REACH (EU) Compliance
👉 Consequence: Seizure of goods or fines for non-reporting of chemicals.
👉 Fix: Ensure all chemical ingredients are listed on TSCA/REACH inventory.

Mistake 4: Calling it "Cleaning Spray" to Avoid Tariff
👉 Consequence: If customs tests and finds it’s only anti-static, they may reclassify.
👉 Fix: If it also cleans, declare as 3402. If only anti-static, declare as 3824. Be honest.

Correct Declaration Example:

“LIQUID ANTI-STATIC ADDITIVE FOR PLASTIC CASINGS, CHEMICAL SURFACTANT, NOT FOR CLEANING, HS 3824.99.99.15, TSCA COMPLIANT”


🎯 VII. Conclusion: Optimize Your Supply Chain with Precision!

🎯 Remember the Mantra:

🔹 “Chemical Additive = 3824 (16.4%)”
🔹 “Plastic Pellet = 3902 (20.0%)”
🔹 “Finished Casing = 3926 (Varies)”
🔹 “No SDS = No Entry!”

📌 Pro Tip:
If you are exporting to the EU, start REACH registration 6 months in advance. It’s the biggest bottleneck, not the tariff.
For the USA, ensure your SDS is GHS-compliant and lists all TSCA inventory items.


📣 Take Action Now:

📞 Consult your customs broker with the SDS and Composition%
📄 Apply for TSCA/REACH compliance before shipment
🚀 Minimize duty risk with accurate HS Code declaration


Precision Classification Saves Money!
💼 Don’t Let Chemical Regulations Hold You Back!

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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) — 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.