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Mortar Anti freezing Agent

CN β†’ US
HS Code Tariff Rate Origin Destination Doc
3824500050 35.0% CN US Official Doc
3824994900 41.5% CN US Official Doc
38089490 0.0% CN US Official Doc
38119090 0.0% CN US Official Doc

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❄️ Mortar Anti-freezing Agent (Construction Chemicals)


🌐 HS Code Reference & Customs Clearance Guide | 2026 Latest Tariff Analysis | Professional Clearance Strategy
πŸ“Œ I. Product Definition & Classification: Do You Really Know "Mortar Anti-freezing Agent"?

Mortar anti-freezing agents are chemical additives used in construction to prevent water in mortar from freezing during cold weather curing. In international trade, these products fall under Chemical Products of the Chemical or Allied Industries. They are generally classified based on their primary function (binding vs. anti-freezing) and composition.

⚠️ Key Distinction Point:
- If the product is primarily an anti-freezing agent specifically for mortar/concrete β†’ Consider 3808.94.90 or 3811.90.90 (Note: Tax retrieval failed in source data).
- If the product is a prepared binder or non-refractory mortar mixture β†’ Consider 3824.50.00.50.
- If the product contains hydrocarbon mixtures derived from petroleum/natural gas β†’ Consider 3824.99.49.00.


πŸ“¦ II. HS Code Classification Details (2026 Latest Tariff Authority Comparison)

HS Code Product Description Application Scenario Tax Status
3808.94.90 Other chemical products not elsewhere specified, including anti-freezing agents for mortar General chemical anti-freeze for construction ❌ Error/Failed to Retrieve
3811.90.90 Other chemical products for use in construction, including additives for concrete/mortar (e.g., anti-freezing agents) Specific construction chemical additives ❌ Error/Failed to Retrieve
3824.50.00.50 Prepared binders for foundry molds/cores; Chemical products... Nonrefractory mortars and concretes Other Mixed mortar preparations, binders, or specific non-refractory concrete mixes βœ… 25.0% Total Tax
3824.99.49.00 Mixtures that are in whole or in part of hydrocarbons derived from petroleum/shale oil/natural gas Chemical mixtures containing petroleum-based hydrocarbons βœ… 31.5% Total Tax

πŸ” Critical Warning:
- HS 3808 & 3811: These codes directly mention "anti-freezing agents for mortar" and "additives for concrete." However, the source data indicates Tax Retrieval Failed. This implies either incomplete tariff data or specific country restrictions. Caution is advised when using these codes without verifying local customs database.
- HS 3824.50: If the anti-freezing agent is sold as a pre-mixed mortar binder or non-refractory concrete preparation, it falls here. The tax is clear: 25.0%.
- HS 3824.99.49: If the agent contains significant hydrocarbon components (petroleum/natural gas derivatives), it falls here. The tax is higher: 31.5%.


πŸ’° III. 2026 Latest Tariff Rate Details (Including Additional Taxes)

βœ… Applicable Market: USA (US)
βœ… Origin: China (CN)
βœ… Effective Date: 2025 onwards (Subject to trade policy updates)

🎯 1. 3824.50.00.50 β€” Prepared Binders / Non-refractory Mortars

Item Content
Base Tariff 0.0%
Section 301 Additional Tariff +25.0%
Total Tax Rate 25.0%
Tax Calculation CIF Value Γ— 25.0%
De Minimis Exemption ❌ Not Eligible (Usually subject to strict chemical scrutiny)
Legal Basis USITC:3824.50.00.50 β†’ FOOTNOTE:301_3824

πŸ“Œ Explanation:
- This code captures prepared binders and non-refractory mortar preparations. If your anti-freezing agent is part of a pre-mixed mortar system or acts as a binder, it likely falls here.
- The 25% additional tariff is applied on top of the 0% base rate, resulting in a flat 25% total duty.


🎯 2. 3824.99.49.00 β€” Hydrocarbon-Based Chemical Mixtures

Item Content
Base Tariff 6.5%
Section 301 Additional Tariff +25.0%
Total Tax Rate 31.5%
Tax Calculation CIF Value Γ— 31.5%
De Minimis Exemption ❌ Not Eligible
Legal Basis USITC:3824.99.49.00 β†’ FOOTNOTE:301_3824

πŸ“Œ Explanation:
- If the anti-freezing agent contains petroleum-derived hydrocarbons (common in some chemical accelerators or organic additives), it falls under this "Other" chemical products category.
- The base rate is 6.5%, plus 25% additional tariff, totaling 31.5%.
- Higher cost implication: This is the most expensive classification in the dataset.


🚫 3. 3808.94.90 & 3811.90.90 β€” Direct Anti-freezing Agents (Tax Data Error)

Item Content
Base Tariff ❓ Failed to Retrieve
Additional Tariff ❓ Failed to Retrieve
Total Tax Rate Error
Action Required Verify with Customs Broker

⚠️ Critical Alert:
- These codes are the most accurate description for "Mortar Anti-freezing Agent."
- However, the source data shows "Failed to retrieve tax information."
- Risk: If you use these codes, you must manually verify the current HS Code tariff schedule for your specific import country. Do not assume 0% or standard rates.
- Recommendation: Use this data as a reference, but always confirm with a licensed customs broker before declaring.


πŸ› οΈ IV. Customs Clearance Practical Advice (Pitfall Avoidance Guide)

βœ… 1. Required Documentation Checklist

Document Required Notes
βœ… SDS (Safety Data Sheet) Mandatory Chemical products require SDS for hazardous material classification.
βœ… COA (Certificate of Analysis) Highly Recommended Proves composition, especially hydrocarbon content for HS 3824.99.49.00.
βœ… Commercial Invoice Mandatory Clearly state: "Mortar Anti-freezing Agent, Chemical Additive, Model X."
βœ… Packing List Mandatory Detail net/gross weight, volume, and packaging type.
βœ… MSDS/SDS Translation Mandatory If importing to non-English speaking countries, translation is required.
βœ… Origin Certificate Conditional If claiming preferential treatment under FTAs (if applicable).

βœ… 2. Declaration Tips (Key Mantra)

πŸ”₯ "Chemical Identity First, Hydrocarbon Check, Tax Error Verify, Binder or Additive?"

Scenario Correct Declaration Wrong Practice
Product is a pre-mixed mortar binder 3824.50.00.50 (25% tax) Declaring as 3808.94.90 β†’ Risk of tax error/rejection
Product contains petroleum hydrocarbons 3824.99.49.00 (31.5% tax) Declaring as 3811.90.90 β†’ Risk of underpayment + penalties
Product is a pure anti-freeze additive 3808.94.90 / 3811.90.90 Must verify tax manually due to data error
Product is a foundry binder 3824.50.00.50 Misdeclaring as construction chemical β†’ Wrong HS Code

βœ… 3. Special Case Handling

Case Handling Advice
Hydrocarbon Content > 50% Likely 3824.99.49.00 (31.5% tax). Provide COA to prove composition.
Pre-mixed with Cement/Sand Consider if it’s a "mortar" under 3824.50.00.50. Check if it’s a "preparation" or "mixture."
Hazardous Chemicals If SDS indicates flammability or toxicity, additional safety fees and inspections apply.
Tax Data Error for 3808/3811 DO NOT use these codes without verification. Contact a customs broker to get the current tax rate.

🌍 V. Global Market Clearance Comparison (2026 Latest)

Country/Region Recommended HS Code Estimated Tax Certification Requirement Notes
πŸ‡ΊπŸ‡Έ USA 3824.50.00.50 or 3824.99.49.00 25% - 31.5% SDS, EPA (if pesticide) High scrutiny on chemical composition.
πŸ‡¨πŸ‡³ China 3824.50.00.50 ~5% - 10% GB Standards Lower tariffs, but strict environmental compliance.
πŸ‡ͺπŸ‡Ί EU 3824.50.00.50 or 3824.99.49.00 6.5% - 12% REACH, CLP Labeling REACH registration is critical for chemical imports.
πŸ‡¦πŸ‡Ί Australia 3824.50.00.50 5% GHS Labeling Standard chemical import controls.

πŸ“Œ Conclusion:
- USA has the highest and most complex tax structure for these chemicals, with Section 301 tariffs adding 25%.
- EU requires REACH compliance, which is a significant barrier for new exporters.
- China offers lower tariffs but strict environmental and safety standards.


πŸ“Œ VI. Common Errors & Pitfall Guide (Lessons Learned)

❌ Error 1: Using 3808.94.90 without verifying tax rate
πŸ‘‰ Consequence: Customs may reject the declaration due to "Failed to Retrieve Tax" error, causing delays.
πŸ‘‰ Solution: Confirm tax rate with a local customs broker.

❌ Error 2: Misclassifying a hydrocarbon-based agent as a simple "chemical mixture"
πŸ‘‰ Consequence: Paying 25% instead of 31.5% β†’ Customs Audit & Penalties.
πŸ‘‰ Solution: Provide detailed COA to prove hydrocarbon content.

❌ Error 3: Ignoring SDS requirements
πŸ‘‰ Consequence: Shipment held at port for hazardous material inspection.
πŸ‘‰ Solution: Always provide up-to-date SDS.

❌ Error 4: Declaring "Anti-freezing Agent" without specifying composition
πŸ‘‰ Consequence: Customs may reclassify to a higher tax code.
πŸ‘‰ Solution: Be specific: "Mortar Anti-freezing Agent, Hydrocarbon-based, Non-refractory."

βœ… Correct Declaration Example:

"Mortar Anti-freezing Agent, Chemical Preparation, Non-refractory, Model XYZ, SDS Provided, Contains Hydrocarbons Derived from Petroleum, HS Code 3824.50.00.50"


🎯 VII. Conclusion: Precise Classification Saves Money!

🎯 Remember the Mantra:

πŸ”Ή "Hydrocarbons? Pay 31.5%. Binders? Pay 25%. Pure Additives? Verify Tax First!"
πŸ”Ή "SDS is Mandatory, COA is Key, Don't Guess the Tax!"


πŸ“Œ Pro Tip:
If your product falls under 3808.94.90 or 3811.90.90, DO NOT assume the tax rate. The source data shows an Error.
πŸ‘‰ Action: Contact a customs broker to get the current, accurate tax rate for these specific codes before shipping.


πŸ“£ Immediate Action:

πŸ“ž Verify HS Code with a licensed customs broker.
πŸ“„ Prepare SDS & COA.
πŸš€ Ensure Smooth Clearance & Maximize Profit!


✨ Professional Clearance Starts with Accurate Classification!
πŸ’Ό Every Percent of Tax Matters!

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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.