Mite Killer Anti Settling Agent
CN → US| HS Code | Tariff Rate | Origin | Destination | Doc |
|---|---|---|---|---|
| 3809910000 | 41.0% | CN | US | Official Doc |
| 3809921000 | 41.5% | CN | US | Official Doc |
| 3808990800 | 41.5% | CN | US | Official Doc |
| 3808922800 | 38.7% | CN | US | Official Doc |
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🛡️ Mite Killer Anti Settling Agent (Chemical Formulations)
🌐 HS Code Reference & Clearance Guide | 2026 Latest Tariff Analysis | Professional Entry Strategy
📌 I. Product Definition & Classification: What is a "Mite Killer Anti Settling Agent"?
This product is a complex chemical formulation combining two distinct functionalities: 1. Pesticidal Action ("Mite Killer"): The primary active ingredient targets mites, falling under insecticides/acaricides. 2. Formulation Stability ("Anti Settling Agent"): Auxiliary chemicals that prevent suspension separation, often categorized as textile or industrial finishing agents depending on the primary legal nature.
In international trade, this creates a classification dilemma: * Primary Function Argument: The product's intent is pest control → Chapter 38 (Pesticides/Herbicides). * Chemical Nature Argument: The product is a chemical preparation used to treat surfaces/materials → Chapter 38 (Other Chemical Products) or potentially Chapter 3809 (Finishing Agents) if deemed primarily a textile aid.
⚠️ Critical Distinction:
- If the product is registered as a pesticide/fumigant/insecticide → HS 3808.
- If the product is primarily a textile finishing chemical with incidental pesticidal properties → HS 3809.
- Most common commercial reality: Commercial "Mite Killers" are typically classified as Pesticides (3808) due to regulatory registration, but customs may scrutinize the "Anti-Settling" component.
📦 II. HS Code Classification Details (2026 Latest Tariff Authority Comparison)
| HS Code | Product Description | Application Scenario | Primary Function |
|---|---|---|---|
3808.92.28.00 |
Other insecticides, fungicides, herbicides, rat killers, anti-germinating products and plant-growth regulators; preparations of a kind used for putting to sleep, driving away or preventing insects | Commercial pest control, home hygiene, agricultural mite control | Pesticide/Acaricide (Mite Killer) |
3808.99.08.00 |
Other insecticides, fungicides, herbicides... (Residual/Other chemical preparations) | General chemical pest control preparations not specified elsewhere | Pesticide (General Chemical) |
3809.91.00.00 |
Finishing agents, dye carriers, accelerators and other products and preparations (e.g., dressings) used in textile, paper or similar industries | If marketed primarily as a textile treatment where mite control is secondary | Textile Finishing Agent |
3809.92.10.00 |
Finishing agents... used in paper or similar industries | If marketed primarily for paper processing with anti-mite properties | Paper Industry Agent |
🔍 Key Reminder:
- If the product has EPA/pesticide registration, it MUST be declared under 3808 (Pesticides).
- If it is an industrial chemical without pesticide registration, it may fall under 3809 (Finishing Agents).
- Misclassification Risk: Declaring a pesticide as a "finishing agent" (3809) to avoid higher taxes or regulations is a major red flag for Customs.
💰 III. 2026 Latest Tariff Rate Details (Including Surcharges, Policy Add-ons)
✅ Applicable Country: United States (US)
✅ Origin: China (CN)
✅ Effective Date: From November 10, 2025 (and subsequent imports)
🎯 1. 3808.92.28.00 —— Other Insecticides/Acaricides (Pesticide Route)
| Item | Content |
|---|---|
| Base Duty Rate | 3.7% (Ad valorem) |
| USITC Surcharge (Section 301) | +25.0% (From USITC Footnote 9903.88.01) |
| IEEPA Surcharge (122 Clause) | +10.0% (Against China/HK products, effective Nov 10, 2025) |
| Total Tax Rate | 38.7% |
| Tax Calculation | CIF Value × 38.7% |
| De Minimis Exemption | ❌ Not Eligible (deny_de_minimis) |
| Legal Basis Path | IEEPA:9903.01.24 → USITC:3808.92.28.00 → FOOTNOTE:9903.88.01 |
📌 Explanation:
- 3.7% is the standard MFN duty for insecticides.
- +25% is the Section 301 tariff on Chinese chemical products.
- +10% is the new IEEPA surcharge under "122 Clause" targeting specific chemical imports from China.
- Total 38.7% is high but lower than the "Finishing Agent" route due to a lower base duty.
🎯 2. 3808.99.08.00 —— Other Chemical Preparations (Pesticide/Chemical Route)
| Item | Content |
|---|---|
| Base Duty Rate | 6.5% (Ad valorem) |
| USITC Surcharge (Section 301) | +25.0% |
| IEEPA Surcharge (122 Clause) | +10.0% |
| Total Tax Rate | 41.5% |
| Tax Calculation | CIF Value × 41.5% |
| De Minimis Exemption | ❌ Not Eligible |
| Legal Basis Path | IEEPA:9903.01.24 → USITC:3808.99.08.00 → FOOTNOTE:9903.88.01 |
📌 Note:
- Used for pest control preparations not specifically listed under 3808.92.
- Higher base duty (6.5%) leads to a higher total tax (41.5%) compared to 3808.92.28.00.
🎯 3. 3809.91.00.00 —— Textile Finishing Agents (Non-Pesticide Route)
| Item | Content |
|---|---|
| Base Duty Rate | 6.0% (Ad valorem) |
| USITC Surcharge (Section 301) | +25.0% |
| IEEPA Surcharge (122 Clause) | +10.0% |
| Total Tax Rate | 41.0% |
| Tax Calculation | CIF Value × 41.0% |
| De Minimis Exemption | ❌ Not Eligible |
| Legal Basis Path | IEEPA:9903.01.24 → USITC:3809.91.00.00 → FOOTNOTE:9903.88.01 |
📌 Explanation:
- Matching Basis: Classified as a chemical preparation for textile improvement ("Anti-Settling" implies formulation stability for fabrics).
- Risk: If Customs determines it is primarily a pesticide (Mite Killer), this classification is wrong, leading to penalties.
- Rate: 41.0%, slightly lower than 3808.99.08.00 but higher than 3808.92.28.00.
🎯 4. 3809.92.10.00 —— Paper Industry Finishing Agents
| Item | Content |
|---|---|
| Base Duty Rate | 6.5% (Ad valorem) |
| USITC Surcharge (Section 301) | +25.0% |
| IEEPA Surcharge (122 Clause) | +10.0% |
| Total Tax Rate | 41.5% |
| Tax Calculation | CIF Value × 41.5% |
| De Minimis Exemption | ❌ Not Eligible |
| Legal Basis Path | IEEPA:9903.01.24 → USITC:3809.92.10.00 → FOOTNOTE:9903.88.01 |
📌 Note:
- Only applicable if the product is explicitly marketed and used for paper processing.
- Unlikely for a "Mite Killer" unless used in archival paper preservation.
🛠️ IV. Clearance Practical Advice (实战避坑指南)
✅ 1. Document Checklist (No Omissions)
| Document | Required | Explanation |
|---|---|---|
| ✅ Certificate of Analysis (COA) | ✔️ | Must list active ingredients (e.g., Permethrin, Bifenthrin) to prove pesticide nature. |
| ✅ Pesticide Registration Certificate | ✔️ | If sold as "Mite Killer", EPA registration is mandatory for US import. |
| ✅ Safety Data Sheet (SDS) | ✔️ | Must classify under UN 3082 (Environmentally Toxic Substances) or UN 2587 (Organic Peroxides) if applicable. |
| ✅ Commercial Invoice | ✔️ | Clearly state "Mite Killer Pesticide" AND "Anti-Settling Agent Formulation". |
| ✅ Formulation Details | ✔️ | Breakdown of percentages for active and inert ingredients. |
| ✅ Labeling Compliance | ✔️ | Must comply with EPA labeling requirements (Signal words, Usage Instructions). |
✅ 2. Declaration Tips (Key Mantras)
🔥 "Pesticide First, Finisher Second! Declare Accurately, Avoid Fines!"
| Scenario | Correct Declaration | Wrong Practice |
|---|---|---|
| Product has EPA Registration | 3808.92.28.00 (Pesticide) |
Declaring as 3809 (Finishing Agent) → Fraud/Penalty |
| Industrial Chemical (No Pesticide Claim) | 3809.91.00.00 (Textile Agent) |
Declaring as Pesticide → Unnecessary Regulatory Hurdle |
| Mixture with No Clear Primary Use | 3808.99.08.00 (Other Chemical Prep) |
Vague description → Customs Hold |
| Sample for Testing | Same as above | "Gift" or "Sample" to avoid duty → Smuggling Risk |
✅ 3. Special Cases Handling
| Situation | Handling Advice |
|---|---|
| OEM Private Label | Provide client order + EPA label approval. Ensure the brand owner has valid registration. |
| High Concentration Active Ingredient | May require special hazardous materials handling (Hazmat). Verify UN Number. |
| Dual-Use (Cleaner + Mite Killer) | If "Cleaning" is primary and "Mite Killer" is secondary, may argue for 3809. Risky. Better to declare as pesticide. |
| Export to Non-US Markets | EU/Canada may have different HS codes for pesticides. Always verify destination country regulations. |
🌍 V. Global Market Clearance Comparison (2026 Latest)
| Country/Region | Recommended HS Code | Duty | Certification | Notes |
|---|---|---|---|---|
| 🇺🇸 USA | 3808.92.28.00 |
38.7% | EPA Registration + SDS | Highest scrutiny on pesticides. |
| 🇨🇳 China | 3808.92.28.00 |
~5-10% | N/A (Domestic) | Import duties vary; no Section 301. |
| 🇪🇺 EU | 3808.90.90 |
6.5% | ECHA (REACH) + Biocidal Products Regulation | Strict chemical safety data required. |
| 🇦🇺 Australia | 3808.92.28.00 |
5% | APVMA Registration | High regulatory barrier. |
| 🇯🇵 Japan | 3808.92.28.00 |
4.0% | Ministry of Agriculture/MOHLS | Specific pesticide laws. |
📌 Conclusion:
- USA is the most expensive market due to Section 301 + IEEPA surcharges (Total ~38.7%-41.5%).
- EPA Registration is NON-NEGOTIABLE for entering the US as a "Mite Killer".
- Misclassifying as a "finishing agent" to save tax is a high-risk strategy that leads to audits and seizures.
📌 VI. Common Errors & Pitfalls (Lessons Learned)
❌ Error 1: Declaring "Mite Killer" as "Fabric Softener" or "Finishing Agent" (3809)
👉 Consequence: Customs classifies it as a pesticide → Back taxes + Penalties + Seizure.
❌ Error 2: Importing without EPA Registration
👉 Consequence: Illegal import. Product destroyed. FDA/Customs fines up to $10,000+ per violation.
❌ Error 3: Incorrect SDS Classification
👉 Consequence: Hazmat fees increase. Air freight rejected. Ground transport delays.
❌ Error 4: Vague Description "Chemical Agent"
👉 Consequence: Customs issues a "Request for Information" (RFI) → 30-60 day delay.
✅ Correct Practice:
"Pesticidal Preparation for Mite Control, Contains [Active Ingredient], EPA Est. No. XXXX-XXXX, Anti-Settling Formulation for Textile Use, Model XYZ, Compliant with EPA Regulations."
🎯 VII. Conclusion: Professional Declaration, Save Time, Reduce Cost!
🎯 Remember the Mantra:
🔹 "Pesticide is King: Register it, Declare it, Pay it."
🔹 "3808 vs 3809: The Difference is the Law. One is Fine, the Other is Jail."
🔹 "Base Tax Low, Surcharges High: 38.7% is the New Normal for China-Origin Pesticides."
📌 Pro Tip:
If your product is manufactured in Vietnam, Mexico, or Thailand, you may EXEMPT from Section 301/IEEPA tariffs (depending on current rules).
Recommendation: Apply for Customs Ruling or Pre-Import Verification to confirm the exact HS Code and tax liability.
📣 Immediate Action:
📞 Contact a Licensed Customs Broker + Provide EPA Label + SDS
🚀 Let your Mite Killer pass Smoothly, Legally, and Profitably!
✨ Professional Clearance Starts with Accurate Classification!
💼 Every Cent of Tax Should Be Calculated Precisely!
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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.