methyl ethyl propyl phosphate adhesive
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🧪 Methyl Ethyl Propyl Phosphate Adhesive (MEPP Adhesive)
[Chemical Adhesives / Plasticizers / Solvents with Adhesive Properties]
🌐 HS Code Reference & Customs Clearance Guide | 2026 Latest Tariff Analysis | Professional Clearance Strategy
📌 I. Product Definition & Classification: Do You Really Understand "MEPP Adhesive"?
Methyl Ethyl Propyl Phosphate (MEPP) is a complex chemical substance. While commercially sold as an "adhesive," it is chemically a phosphate ester used primarily as a: 1. Plasticizer: For plastics and rubber. 2. Solvent: For lacquers, resins, and adhesives. 3. Flame Retardant: For textiles and plastics. 4. Adhesive Component: Often used as an auxiliary or primary binder in specific industrial bonding applications.
In international trade, the classification depends on its primary function and composition: * As a Pure Chemical Compound: If it is MEPP in pure form, it falls under Chapter 29 (Organic Chemicals). * As a Formulated Adhesive: If it is mixed with other binding agents, fillers, or solvents specifically for bonding, it falls under Chapter 35 (Albuminoidal Substances; Glues; Enzymes) or Chapter 39 (Plastics), depending on the primary binding agent.
⚠️ Key Distinction:
- If it is pure MEPP (a single chemical entity) → 2920.90.00.00
- If it is a formulated glue/adhesive containing MEPP as an ingredient → 3506.91.00.00 (or similar, depending on the main binder)
- If it is a solvent mixture where MEPP is the main component and used for cleaning/prepping → 3824.99.94.00
📦 II. HS Code Classification Details (2026 Latest Tariff Authority Comparison)
| HS Code | Product Description | Applicable Scenario | Is it a Pure Chemical? |
|---|---|---|---|
2920.90.00.00 |
Esters of inorganic acids (phosphates) and their salts, including lactophosphates | Pure MEPP, used as a plasticizer, solvent, or additive | ✅ Yes |
3506.91.00.00 |
Prepared glues and other prepared adhesives, whether or not in the form of sheets or rolls, other than products of heading 35.01 or 35.02 | Formulated MEPP-based adhesives, mixed with resins/fillers | ❌ No (Formulated) |
3824.99.94.00 |
Prepared binders for foundry molds or cores; Chemical products and preparations of the chemical or allied industries... | MEPP used primarily as a solvent or cleaning agent in industrial formulations | ❌ No (Mixture/Preparation) |
3906.90.00.00 |
Acrylic polymers in primary forms | If MEPP is added to acrylics to modify them, the final product might fall here if the adhesive property is secondary | ❌ No |
🔍 Critical Reminder:
- Pure MEPP is classified under 2920.90.00.00.
- If the product is labeled "Adhesive" but is pure MEPP, customs may still classify it as a chemical (2920) if the primary use is as a plasticizer/solvent.
- If it is a mixed formulation (e.g., MEPP + Epoxy Resin), it is classified as a glue (3506).
- Misclassification Risk: Declaring a formulated adhesive as a pure chemical (2920) can lead to underpayment of duties and penalties.
💰 III. 2026 Latest Tariff Rate Details (Including Surcharges & Policy Add-ons)
✅ Applicable Country: United States (US)
✅ Country of Origin: China (CN)
✅ Effective Date: From November 10, 2025 (including subsequent imports)
🎯 1. 2920.90.00.00 —— Phosphate Esters (Pure MEPP)
| Item | Content |
|---|---|
| Base Rate | 5.3% (ad valorem) |
| USITC Surcharge | +25% (from USITC Footnote 9903.88.01) |
| IEEPA Surcharge | +10% (for China/HK products, from Nov 10, 2025) |
| Total Rate | 40.3% |
| Tax Calculation | CIF Value × 40.3% |
| De Minimis Eligibility | ❌ No (deny_de_minimis) |
| Legal Basis Path | IEEPA:9903.01.25 → IEEPA:9903.01.24 → USITC:2920.90.00.00 → FOOTNOTE:9903.88.01 |
📌 Explanation:
- The 25% USITC surcharge applies to most chemical products from China under Section 301.
- The 10% IEEPA surcharge is an additional tariff on Chinese goods.
- Total 40.3% is a high tariff, significantly impacting cost.
🎯 2. 3506.91.00.00 —— Prepared Adhesives (Formulated MEPP)
| Item | Content |
|---|---|
| Base Rate | 5.7% (ad valorem) |
| USITC Surcharge | +25% (from USITC Footnote 9903.88.01) |
| IEEPA Surcharge | +10% (for China/HK products, from Nov 10, 2025) |
| Total Rate | 40.7% |
| Tax Calculation | CIF Value × 40.7% |
| De Minimis Eligibility | ❌ No (deny_de_minimis) |
| Legal Basis Path | IEEPA:9903.01.25 → IEEPA:9903.01.24 → USITC:3506.91.00.00 → FOOTNOTE:9903.88.01 |
📌 Note:
- Formulated adhesives are also subject to the same surcharges as chemicals.
- The tariff rate is slightly higher due to the base rate being 5.7% instead of 5.3%.
🎯 3. 3824.99.94.00 —— Other Chemical Preparations (MEPP Solvents)
| Item | Content |
|---|---|
| Base Rate | 5.3% (ad valorem) |
| USITC Surcharge | +25% |
| IEEPA Surcharge | +10% |
| Total Rate | 40.3% |
| Tax Calculation | CIF Value × 40.3% |
| De Minimis Eligibility | ❌ No |
| Legal Basis Path | IEEPA:9903.01.25 → IEEPA:9903.01.24 → USITC:3824.99.94.00 → FOOTNOTE:9903.88.01 |
📌 Note:
- If MEPP is sold as a solvent or cleaning agent, this code may apply.
- The tariff is identical to pure MEPP (2920).
🛠️ IV. Customs Clearance Practical Advice (Real-World Pitfall Guide)
✅ 1. Required Documentation Checklist (All Must Be Provided)
| Document | Mandatory | Description |
|---|---|---|
| ✅ Technical Data Sheet (TDS) | ✔️ | Must specify chemical composition, CAS number, and primary function. |
| ✅ Safety Data Sheet (SDS) | ✔️ | Critical for hazardous material classification (flammable, toxic, etc.). |
| ✅ Formula/Composition List | ✔️ | If formulated (HS 3506), must list all components and percentages. |
| ✅ Product Photos | ✔️ | Clear images of the container, label, and product state (liquid/paste). |
| ✅ Commercial Invoice | ✔️ | Must state "Methyl Ethyl Propyl Phosphate Adhesive" or "Phosphate Ester" with HS Code. |
| ✅ Certificate of Origin (CO) | ✔️ | If from China, standard CO applies. |
| ✅ FDA Registration (if applicable) | ✔️ | If used in food packaging or medical devices, FDA approval is needed. |
✅ 2. Declaration Tips (Key Mnemonic)
🔥 "Pure Chemical = 2920, Formulated Glue = 3506, Solvent = 3824. Be Specific!"
| Scenario | Correct Declaration | Wrong Practice |
|---|---|---|
| Pure MEPP | 2920.90.00.00 "Methyl Ethyl Propyl Phosphate, Pure" |
Misdeclaring as "Adhesive" (3506) → Penalty |
| MEPP mixed with Epoxy | 3506.91.00.00 "Prepared Adhesive, MEPP-based" |
Misdeclaring as "Pure Chemical" → Undervaluation |
| MEPP as Industrial Solvent | 3824.99.94.00 "Chemical Preparation, Solvent" |
Misdeclaring as "Adhesive" → Classification Error |
✅ 3. Special Handling Cases
| Case | Handling Advice |
|---|---|
| OEM/Custom Formulation | Provide the exact formula. If the main binder is epoxy, use 3506. |
| Hazardous Material | MEPP is flammable and may be toxic. Ensure UN Number and Hazmat Declaration are complete. |
| Food Grade vs. Industrial | If for food packaging, FDA compliance is critical. Industrial grade is cheaper but restricted. |
| Sample Shipment | Even samples are subject to full tariffs. Do not use de minimis exemptions. |
🌍 V. Global Major Market Comparison (2026 Latest)
| Country/Region | Recommended HS Code | Tariff Rate | Certification Requirements | Notes |
|---|---|---|---|---|
| 🇺🇸 USA | 2920.90.00.00 |
40.3% (CN) | FDA (if food contact), EPA | High tariffs due to Section 301 |
| 🇨🇳 China | 2920.90.00.00 |
5.3% | No extra surcharges | Low tariff for import into China |
| 🇪🇺 EU | 2920.90.00 |
0-6.5% | REACH Registration | REACH compliance is mandatory |
| 🇦🇺 Australia | 2920.90.00 |
5% | NICNAS/AICIS | Chemical notification required |
| 🇯🇵 Japan | 2920.90.00 |
5-6% | PrTR (Poisonous Materials Control) | Safety data sheets essential |
📌 Conclusion:
- USA is the most expensive market due to 301 and IEEPA tariffs.
- EU and Japan require strict chemical compliance (REACH, PrTR) but have lower tariffs.
- China has low tariffs but strict environmental regulations for import.
📌 VI. Common Errors & Pitfall Guide (Lessons Learned)
❌ Error 1: Declaring a formulated adhesive as a pure chemical
👉 Consequence: Customs may reject the declaration, leading to penalties and delays.
👉 Correct Action: Provide a full formula and classify as 3506.
❌ Error 2: Ignoring Hazmat Classification
👉 Consequence: MEPP is flammable. Failure to declare can lead to shipment seizure or fines.
👉 Correct Action: Always include SDS and UN Number.
❌ Error 3: Assuming De Minimis Exemption Applies
👉 Consequence: No exemption for chemical products from China.
👉 Correct Action: Pay all taxes upfront, even for samples.
❌ Error 4: Using "Glue" as a Generic Term
👉 Consequence: Ambiguity leads to audits and reclassification.
👉 Correct Action: Use precise chemical names or specific adhesive types.
✅ Correct Declaration Example:
"Methyl Ethyl Propyl Phosphate, Chemical Grade, Pure, CAS 103-58-0, HS 2920.90.00.00, Flammable Liquid, UN 1993"
🎯 VII. Conclusion: Professional Declaration, Cost Control, Efficiency!
🎯 Remember the Mnemonic:
🔹 "Pure Chemical = 2920, Formulated = 3506, Hazmat = SDS Required."
🔹 "US Tariffs are High (40%), EU Needs REACH, China is Low."
🔹 "No De Minimis for Chemicals from China!"
📌 Pro Tip:
If your MEPP adhesive is manufactured in Vietnam, Malaysia, or Thailand, you may apply for IEEPA Exemption, reducing tariffs to 0-5%.
Recommend Advance Ruling from US Customs to avoid classification risks.
📣 Immediate Action:
📞 Contact a Professional Customs Broker + Provide SDS + Apply for HS Code Advance Ruling
🚀 Ensure your MEPP Adhesive Clears Customs Smoothly, Minimizes Costs, and Scales Efficiently!
✨ Professional Customs Clearance Starts with Precise Classification!
💼 Every Dollar of Your Cost Deserves Accurate Calculation!
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关于 HS 编码归类
协调制度（HS）是由世界海关组织（WCO）制定的国际贸易商品分类标准。全球 200 多个国家采用 HS 系统作为海关关税、贸易统计和进出口监管的基础。
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从CN进口到US时，适用的关税税率可能包括：
- 最惠国（MFN）税率——适用于 WTO 成员国的标准关税税率
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