Rapid Curing Chlorinated Adhesive
CN β US| HS Code | Tariff Rate | Origin | Destination | Doc |
|---|---|---|---|---|
| 3506915000 | 37.1% | CN | US | Official Doc |
| 3824999397 | 40.0% | CN | US | Official Doc |
| 3506990000 | 37.1% | CN | US | Official Doc |
| 3824995000 | 41.5% | CN | US | Official Doc |
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π§ͺ Rapid Curing Chlorinated Adhesive
π HS Code Reference & Clearance Guide | 2026 Latest Tariff Analysis | Professional Clearance Strategy
π I. Product Definition & Classification: Do You Really Understand "Chlorinated Adhesive"?
The "Rapid Curing Chlorinated Adhesive" is a specialized chemical bonding agent used in industrial manufacturing, plastic welding, and heavy-duty repairs. It is characterized by: 1. "Chlorinated": Indicates a chemical composition involving chlorine-based polymers (e.g., PVC, CPVC) or chlorinated solvents. 2. "Rapid Curing": Indicates a fast-setting chemical reaction, often involving volatile solvents or specific catalysts. 3. "Adhesive": A substance used to join materials together.
In international trade, classification depends on whether the product is viewed primarily as a prepared adhesive (Chapter 35) or a prepared chemical preparation/product (Chapter 38). The presence of "chlorinated" and "rapid curing" triggers specific scrutiny regarding its chemical base and preparation status.
β οΈ Key Distinction Point: - If classified under Chapter 35: Focuses on "Glues/Adhesives" (protein-based, casein, or general prepared adhesives). - If classified under Chapter 38: Focuses on "Chemical Products" (preparation where the adhesive nature is secondary to its chemical composition, such as chlorinated solvents or complex chemical mixes).
π¦ II. HS Code Classification Details (2026 Latest Tariff Authority Comparison)
Based on the provided data, here are the four potential HS Codes with their matching logic and tax implications.
| HS Code | Product Description | Matching Logic (Why this Code?) | Total Tax Rate |
|---|---|---|---|
3506.91.50.00 |
Prepared Adhesives (Other than those of heading 350610 or 350620) | Keyword Match: "Adhesive" matches the category "Adhesives". Feature Match: "Rapid Curing" aligns with the "Prepared/Mixed" characteristic. Inference: Assumed polymer-based material, no conflict with the heading scope. |
37.1% |
3824.99.93.97 |
Prepared Binders for Foundry Molds or Cores / Other Prepared Chemical Products | Keyword Match: "Adhesive" aligns with "Prepared Binders/Adhesives" in usage. Chemical Nature: "Rapid Curing" chemical properties fit the "Chemical Products & Preparations" attribute. Material: No obvious conflict with chemical nature. |
40.0% |
3506.99.00.00 |
Other Prepared Adhesives (Not elsewhere specified) | Keyword Match: "Adhesive" aligns with "Glues/Adhesives". Feature Match: "Rapid Curing" reflects its "Prepared" nature. Inference: Common sense suggests it is a chemically prepared adhesive, consistent with "Other Prepared Adhesives". |
37.1% |
3824.99.50.00 |
Other Prepared Chemical Products (Including Chlorinated Products) | Keyword Match: "Chlorinated" highly aligns with "Chlorinated but not halogenated other elements". Usage: "Adhesive" fits "Prepared Binders". Category: Reasonable inference as a chemical preparation. |
41.5% |
π Critical Insight: -
3506Codes (37.1%): Best if the product is primarily sold as a standard "Adhesive/Glue" where the chlorination is just part of the adhesive formula (e.g., PVC cement). -3824Codes (40%-41.5%): Riskier due to higher tax. Best if the product is a complex chemical mixture where the "adhesive" function is secondary, or if customs specifically scrutinize the "Chlorinated" aspect as a chemical solvent/base rather than a pure adhesive. -3824.99.50.00has the highest tax (41.5%) due to the specific mention of "Chlorinated" attributes.
π° III. 2026 Latest Tariff Rate Breakdown (Including Surcharges & Policy Add-ons)
β Applicable Country: United States (US)
β Country of Origin: China (CN)
β Effective Date: 2025 November 10 onwards (and subsequent imports)
π― 1. 3506.91.50.00 & 3506.99.00.00 β Prepared Adhesives
| Item | Content |
|---|---|
| Base Duty Rate | 2.1% (Ad Valorem) |
| USITC Surcharge (Section 301) | +25.0% |
| IEEPA Surcharge (Section 122/CN) | +10.0% |
| Total Tax Rate | 37.1% |
| Tax Calculation | CIF Value Γ 37.1% |
| De Minimis Exemption | β Not Applicable (deny_de_minimis) |
| Legal Basis Path | Base: 3506 β USITC: 301 Footnote β IEEPA: 9903.01.25 |
π Explanation: - Base 2.1%: Standard Most Favored Nation (MFN) rate for prepared adhesives. - 25% Surcharge: Standard Section 301 tariff on Chinese imports. - 10% Surcharge: Additional IEEPA penalty applicable to Chinese goods (often linked to "122" or similar emergency provisions). - Total 37.1%: High but lower than the
3824options.
π― 2. 3824.99.93.97 β Other Prepared Chemical Products
| Item | Content |
|---|---|
| Base Duty Rate | 5.0% (Ad Valorem) |
| USITC Surcharge (Section 301) | +25.0% |
| IEEPA Surcharge (Section 122/CN) | +10.0% |
| Total Tax Rate | 40.0% |
| Tax Calculation | CIF Value Γ 40.0% |
| De Minimis Exemption | β Not Applicable |
| Legal Basis Path | Base: 3824 β USITC: 301 Footnote β IEEPA: 9903.01.24 |
π Note: - Higher base rate (5%) compared to
3506(2.1%). - Same surcharges apply. - Total cost is 2.9% higher than3506options.
π― 3. 3824.99.50.00 β Chlorinated Chemical Preparations
| Item | Content |
|---|---|
| Base Duty Rate | 6.5% (Ad Valorem) |
| USITC Surcharge (Section 301) | +25.0% |
| IEEPA Surcharge (Section 122/CN) | +10.0% |
| Total Tax Rate | 41.5% |
| Tax Calculation | CIF Value Γ 41.5% |
| De Minimis Exemption | β Not Applicable |
| Legal Basis Path | Base: 3824 β USITC: 301 Footnote β IEEPA: 9903.01.25 |
π Warning: - Highest Tax Rate (41.5%). - The "Chlorinated" descriptor triggers a higher base duty (6.5%). - Avoid this code unless the product is strictly a chemical solvent/preparation and not primarily marketed as an adhesive.
π οΈ IV. Clearance Practical Advice (Battle-Tested Pitfall Guide)
β 1. Required Documentation Checklist (Mandatory)
| Document | Must Provide | Explanation |
|---|---|---|
| β Product Specification Sheet | βοΈ | Must detail chemical composition, curing time, and intended use. |
| β Safety Data Sheet (SDS) | βοΈ | Critical for "Chlorinated" chemicals to prove safety and composition. |
| β Product Photos (Including Label) | βοΈ | Clear label showing "Rapid Curing Chlorinated Adhesive". |
| β Commercial Invoice | βοΈ | Must match the HS Code description precisely. Avoid vague terms like "Glue". |
| β Packing List | βοΈ | Detail contents to avoid confusion with raw chemicals. |
| β Third-Party Test Report | βοΈ | If available, to confirm adhesive vs. chemical solvent nature. |
| β Certificate of Origin (CO) | βοΈ | Essential for surcharge application verification. |
β 2. Declaration Techniques (Key Mnemonics)
π₯ βAdhesive vs. Chemical: Define the Primary Function!β
| Scenario | Correct Declaration | Wrong Practice |
|---|---|---|
| Primarily an Adhesive (e.g., PVC Cement) | 3506.91.50.00 or 3506.99.00.00 |
Misdeclare as 3824 β 41.5% Tax |
| Complex Chemical Mix (e.g., Solvent-based primer) | 3824.99.93.97 |
Misdeclare as 3506 β Potential audit |
| Highly Chlorinated Solvent (Not primarily adhesive) | 3824.99.50.00 |
Misdeclare as 3506 β High Risk of Penalty |
| Mixed Packaging (Adhesive + Thinners) | Declare as Adhesive if adhesive is main value/function | Split declaration β 89.5% Tax on parts! |
β 3. Special Case Handling
| Scenario | Handling Advice |
|---|---|
| OEM Custom Adhesive | Provide customer specs + chemical formula. Prove it is a "Prepared Adhesive" (Ch 35) to avoid Ch 38 penalties. |
| Chlorinated Solvent with Adhesive Properties | If the solvent is the main component, it may fall under Ch 38. However, if marketed as "Adhesive," aim for Ch 35 with strong justification. |
| Rapid Curing Agent | If it is a hardener/mix, declare as part of the "Prepared Adhesive" kit, not as a separate chemical. |
| Military/Special Use | May require additional import licenses. Check for "Dual-Use" restrictions on chlorinated chemicals. |
π V. Global Market Clearance Comparison (2026 Latest)
| Country/Region | Recommended HS Code | Tax Rate (China Origin) | Certification Requirements | Notes |
|---|---|---|---|---|
| πΊπΈ USA | 3506.91.50.00 |
37.1% | SDS, FD&C (if applicable) | High Tax. Avoid 3824 unless necessary. |
| π¨π³ China | 3506.91.50.00 |
~5% | CCC (if applicable) | No 301/IEEPA surcharges. |
| πͺπΊ EU | 3506.91.50.00 |
0-6.5% | REACH, CLP | No additional US-style surcharges. |
| π¦πΊ Australia | 3506.91.50.00 |
5% | AICIS | Lower tax burden. |
| π―π΅ Japan | 3506.91.50.00 |
0-3% | CSCL | Very low duty. |
π Conclusion: - USA is the most expensive market due to 301 and IEEPA surcharges. - Choosing
3506over3824saves 2.9% - 4.4% on the total tax bill. - "Chlorinated" in the name is a red flag for US Customs; it may trigger a reclassification to3824with higher duties. Justify it as an "Adhesive" primarily.
π VI. Common Errors & Pitfall Guide (Lessons Learned)
β Error 1: Declaring "Chlorinated Adhesive" as a simple "Glue" without SDS
π Consequence: Customs audit β Delay β Potential reclassification to 3824 (41.5%) + Penalties.
β Error 2: Using "Chlorinated Solvent" description for an Adhesive
π Consequence: Incorrect classification β 41.5% Tax instead of 37.1%.
β Error 3: Splitting Adhesive + Curing Agent into separate line items
π Consequence: Each part may be taxed separately at higher rates or flagged as "Incomplete Goods" β Higher Total Tax.
β Error 4: Ignoring the "Rapid Curing" aspect
π Consequence: If the product is a "Prepared" mix, it must be declared as such. Vague descriptions lead to arbitrary classification.
β Correct Practice:
"Prepared Adhesive, Rapid Curing, Chlorinated Polymer Base, for Industrial PVC Bonding, Model XYZ, SDS Provided"
π― VII. Conclusion: Precise Declaration Saves Money!
π― Remember the Mnemonic:
πΉ "Adhesive First, 37% Pay; Chemical Second, 41% Day!"
πΉ "Chlorinated Name is Risky, Justify as Glue, Save the Tax!"
π Tips:
- If your adhesive is originally from Vietnam, Thailand, or Malaysia, you may qualify for IEEPA Exemptions (lower or 0% surcharge).
- Apply for a Pre-Ruling (Advance Ruling) from US Customs (CBP) if the classification is ambiguous.
- Always provide a detailed SDS to prove the "Adhesive" nature over "Chemical Solvent" nature.
π£ Immediate Action:
π Contact a licensed Customs Broker + Provide Product Specs + Request HS Code Pre-Ruling
π Ensure Smooth Clearance, Avoid Penalties, Maximize Profit!
β¨ Professional Clearance Starts with Accurate Classification!
πΌ Every Cent of Tax Saved is Pure Profit!
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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) 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.