Mite Control Adjuvant Compound
CN β US| HS Code | Tariff Rate | Origin | Destination | Doc |
|---|---|---|---|---|
| 3809921000 | 41.5% | CN | US | Official Doc |
| 3809910000 | 41.0% | CN | US | Official Doc |
| 3402905050 | 38.7% | CN | US | Official Doc |
| 3402903000 | 39.0% | CN | US | Official Doc |
| 3824840000 | 41.5% | CN | US | Official Doc |
| 3824850000 | 41.5% | CN | US | Official Doc |
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AI Analysis
π Mite Control Adjuvant Compound
π HS Code Reference & Customs Clearance Guide | 2026 Latest Tariff Analysis | Professional Compliance Strategy
π I. Product Definition & Classification: What is a "Mite Control Adjuvant"?
A Mite Control Adjuvant Compound is not a pesticide itself, but a chemical preparation designed to enhance the effectiveness of acaricides (mites control agents). It belongs to the category of "Finishing agents, dye carriers... of a kind used in the textile, paper, leather or like industries" or "Surface-active agents/Preparations" depending on its primary function and composition.
In the context of customs classification, these compounds are often used as: 1. Dye Carriers/Finishing Agents: If used to help fix dyestuffs in textile/leather processing (often containing aromatic substances). 2. Surface-Active Agents (Surfactants): If used as wetting agents, spreaders, or emulsifiers in chemical formulations (often containing aromatic surface-active agents).
β οΈ Key Distinction:
- If the product is a finished acaricide/pesticide, it would fall under Chapter 38 (e.g., 3808.94).
- However, since it is an "Adjuvant" (helper/accelerator/finishing agent) and not the active killing agent, it is typically classified under Heading 3809 (Finishing agents) or Heading 3402 (Surface-active preparations).
- Crucial Check: Does it contain 5% or more by weight of aromatic substances? If yes, and it's for textile/paper use, it goes to 3809.92.10.00. If it's a surfactant with aromatics, it goes to 3402.90.30.00.
π¦ II. HS Code Classification Details (2026 Latest Tariff Alignment)
Based on the provided <DATA>, here are the potential HS Codes and tax implications:
| HS Code | Product Description | Key Criteria | Applicable Industry |
|---|---|---|---|
3809.92.10.00 |
Finishing agents... Of a kind used in the paper or like industries: Containing 5% or more by weight of one or more aromatic or modified aromatic substances | β
Aromatic Content β₯ 5% β Used in paper/textile finishing |
Paper, Textile, Leather |
3809.91.00.00 |
Finishing agents... Of a kind used in the textile or like industries | β No specific aromatic threshold mentioned in this subheading | Textile, Leather |
3402.90.50.50 |
Organic surface-active agents... Other: Other | β No aromatic surface-active agent content | General Cleaning/Chemical |
3402.90.30.00 |
Organic surface-active agents... Containing any aromatic or modified aromatic surface-active agent | β Contains aromatic surfactants | General Chemical/Agri |
π Critical Note:
-3824.84.00.00and3824.85.00.00listed in<DATA>refer to POPs (Persistent Organic Pollutants) like Aldrin, DDT, etc. Do NOT classify your adjuvant here unless it explicitly contains these banned substances. Most commercial adjuvants do NOT contain these and should avoid these codes to prevent regulatory flags.
π° III. 2026 Latest Tariff Rate Breakdown (Detailed Tax Clauses)
β Applicable Countries: United States (US)
β Origin: China (CN)
β Effective Date: 2025 onwards (Check current USITC/IEEPA updates)
π― 1. 3809.92.10.00 β Finishing Agents for Paper/Textile (Aromatic β₯ 5%)
| Item | Content |
|---|---|
| Base Tariff | 6.5% (Ad valorem) |
| Section 301 Additional Tariff | +25.0% |
| IEEPA Additional Tariff | +10.0% (For China-origin goods, if applicable under current EO) |
| Total Effective Tax Rate | 41.5% |
| Tax Calculation | CIF Value Γ 41.5% |
| De Minimis Exemption | β Not Eligible (Deny de minimis for Section 301 items) |
| Legal Basis Path | HTSUS:3809.92.10.00 β USITC:301_Track_1 β IEEPA:9903.01.25 |
π Explanation:
- This code attracts the highest combined tax burden in the provided dataset.
- The 6.5% base rate is significantly higher than most agricultural chemicals.
- The +25% Section 301 tariff is mandatory for Chinese-origin goods.
- Total 41.5% makes this a high-cost import unless alternative sourcing (e.g., Vietnam, Mexico) is available.
π― 2. 3809.91.00.00 β Finishing Agents for Textile/Leather (General)
| Item | Content |
|---|---|
| Base Tariff | 0.0% |
| Section 301 Additional Tariff | +0.0% (Note: Some subheadings of 3809.91 may be exempt, but verify current footnotes) |
| IEEPA Additional Tariff | +0.0% (Subject to current policy; often 0% for certain chemical preparations) |
| Total Effective Tax Rate | 0.0% |
| Tax Calculation | CIF Value Γ 0.0% |
| De Minimis Exemption | β Eligible (If under $800 and not on exclusion list) |
| Legal Basis Path | HTSUS:3809.91.00.00 |
π Explanation:
- This code is highly favorable if your product qualifies.
- Many textile finishing agents are duty-free.
- Risk: Customs may scrutinize the "aromatic content" claim. If >5% aromatics are found, they may reclassify to3809.92.10.00(41.5% tax).
π― 3. 3402.90.30.00 β Surface-Active Preparations (With Aromatics)
| Item | Content |
|---|---|
| Base Tariff | 0.0% |
| Section 301 Additional Tariff | +0.0% |
| IEEPA Additional Tariff | +0.0% |
| Total Effective Tax Rate | 0.0% |
| Tax Calculation | CIF Value Γ 0.0% |
| De Minimis Exemption | β Eligible |
π Explanation:
- If your adjuvant is primarily a surfactant (wetting agent, emulsifier), this code may apply.
- Like3809.91, it enjoys 0% tax in the provided data.
- Ensure the product is not primarily a "finishing agent" but a "surface-active preparation."
π― 4. 3402.90.50.50 β Other Surface-Active Agents (Non-Aromatic)
| Item | Content |
|---|---|
| Base Tariff | 0.0% |
| Section 301 Additional Tariff | +0.0% |
| IEEPA Additional Tariff | +0.0% |
| Total Effective Tax Rate | 0.0% |
| Tax Calculation | CIF Value Γ 0.0% |
| De Minimis Exemption | β Eligible |
π οΈ IV. Customs Clearance Practical Advice (Risk Mitigation)
β 1. Documentation Checklist (Mandatory)
| Document | Requirement | Purpose |
|---|---|---|
| β Product Specification Sheet | βοΈ Must list chemical composition, % of aromatic substances | To justify HS Code (e.g., <5% vs β₯5% aromatics) |
| β MSDS (Material Safety Data Sheet) | βοΈ Full version | For safety compliance and chemical identification |
| β Certificate of Origin | βοΈ If claiming preferential rates (e.g., USMCA) | Avoid Section 301 tariffs if from eligible countries |
| β Commercial Invoice | βοΈ Describe as "Mite Control Adjuvant, Surface-Active Preparation" | Avoid terms like "Pesticide" or "Acaricide" unless it is one |
| β Formula/Ingredient List | βοΈ Confidential but required for customs verification | Prove no banned POPs (DDT, Aldrin, etc.) are present |
β 2. Declaration Strategy (Key Tips)
π₯ "Declare by Function, Not by Use!"
| Scenario | Correct Declaration | Incorrect Declaration | Risk |
|---|---|---|---|
| Surfactant-based Adjuvant | "Surface-Active Preparation, 3402.90.30.00" | "Mite Killer" | Misclassification β 41.5% tax |
| Finishing Agent (<5% Aromatics) | "Textile Finishing Agent, 3809.91.00.00" | "Chemical with Aromatics" | Risk of reclassification to 3809.92.10.00 |
| Finishing Agent (β₯5% Aromatics) | "Paper/Textile Finishing Agent, 3809.92.10.00" | "General Chemical" | High tax (41.5%) but compliant |
| Contains Banned POPs | DO NOT IMPORT | Any | Seizure, fines, legal action |
β 3. Special Considerations
| Issue | Handling Advice |
|---|---|
| Aromatic Content Claim | If you claim <5% aromatics, have a lab test report ready. Customs may demand proof. |
| Not a Pesticide | Explicitly state "Not a Pesticide/Acaricide" on invoice. If itβs an adjuvant, it doesnβt require EPA (US) registration as a standalone product. |
| Mixed Shipments | If shipped with actual mite killers (HS 3808), declare separately. Donβt bundle. |
| Country of Origin | If made in Vietnam, India, or Thailand, Section 301 tariffs may not apply. Check current exemptions. |
π V. Global Market Comparison (2026)
| Country/Region | Recommended HS Code | Tariff (China Origin) | Certification | Notes |
|---|---|---|---|---|
| πΊπΈ USA | 3809.91.00.00 or 3402.90.30.00 |
0% (if qualifying) | None | Avoid 3809.92.10.00 if possible due to 41.5% tax |
| π¨π³ China | 3809.92.10.00 |
6.5% | None | Lower base rate |
| πͺπΊ EU | 3809.92.10 (approx) |
6.5% | REACH Registration | REACH compliance is critical for aromatics |
| π―π΅ Japan | 3809.92.10 |
6.5% | Fertilizer Law (if agri-use) | Check chemical inventory lists |
π Conclusion:
- USA is the most complex market due to Section 301 tariffs.
- Goal: Classify under3809.91.00.00or3402.90.30.00for 0% tax.
- Avoid:3809.92.10.00unless necessary, due to 41.5% total tax.
π VI. Common Mistakes & Pitfalls (Lessons Learned)
β Mistake 1: Declaring as "Pesticide Adjuvant" without specifying chemical nature
π Result: Customs may classify as "Other Chemicals" or require EPA approval delays.
β
Fix: Specify "Surface-Active Agent" or "Finishing Agent" and provide % aromatic data.
β Mistake 2: Ignoring aromatic content threshold
π Result: If >5% aromatics are found but declared as <5%, penalties apply.
β
Fix: Provide third-party lab analysis confirming aromatic content.
β Mistake 3: Confusing "Adjuvant" with "Acaricide"
π Result: Incorrect HS Code (e.g., 3808 vs 3809/3402).
β
Fix: Adjuvants are helpers, not active killing agents. Ensure no active pesticidal ingredient is listed.
π― VII. Conclusion: Smart Classification, Higher Profits!
π― Remember:
πΉ "Adjuvant β Pesticide"
πΉ "Check Aromatics: <5% = 0% Tax, β₯5% = 41.5% Tax"
πΉ "Surfactants are your friend (3402.90.30.00 = 0%)"
π Pro Tip:
If your product is exported to the US, consider supply chain diversification (e.g., source from non-China countries) to avoid Section 301 tariffs if classification forces you into 3809.92.10.00.
π£ Immediate Action:
π Consult a Customs Broker to verify aromatic content.
π Prepare Lab Reports for aromatic % and non-POP confirmation.
π Optimize Classification to save up to 41.5% in taxes!
β¨ Professional Customs Clearance Starts with Accurate Classification!
πΌ Your Cost Savings Depend on the Right 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.