Mortar Anti freezing Agent
CN → US| HS编码 | 关税税率 | 原产国 | 目的国 | 文档 |
|---|---|---|---|---|
| 3824500050 | 35.0% | CN | US | 官方文档 |
| 3824994900 | 41.5% | CN | US | 官方文档 |
| 38089490 | 0.0% | CN | US | 官方文档 |
| 38119090 | 0.0% | CN | US | 官方文档 |
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AI分析
❄️ Mortar Anti-freezing Agent (Construction Chemicals)
🌐 HS Code Reference & Customs Clearance Guide | 2026 Latest Tariff Analysis | Professional Clearance Strategy
📌 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 → 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 → Consider 3824.50.00.50.
- If the product contains hydrocarbon mixtures derived from petroleum/natural gas → Consider 3824.99.49.00.
📦 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 | ✅ 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 | ✅ 31.5% Total Tax |
🔍 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%.
💰 III. 2026 Latest Tariff Rate Details (Including Additional Taxes)
✅ Applicable Market: USA (US)
✅ Origin: China (CN)
✅ Effective Date: 2025 onwards (Subject to trade policy updates)
🎯 1. 3824.50.00.50 — 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 × 25.0% |
| De Minimis Exemption | ❌ Not Eligible (Usually subject to strict chemical scrutiny) |
| Legal Basis | USITC:3824.50.00.50 → FOOTNOTE:301_3824 |
📌 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 — 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 × 31.5% |
| De Minimis Exemption | ❌ Not Eligible |
| Legal Basis | USITC:3824.99.49.00 → FOOTNOTE:301_3824 |
📌 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 — 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.
🛠️ IV. Customs Clearance Practical Advice (Pitfall Avoidance Guide)
✅ 1. Required Documentation Checklist
| Document | Required | Notes |
|---|---|---|
| ✅ SDS (Safety Data Sheet) | Mandatory | Chemical products require SDS for hazardous material classification. |
| ✅ COA (Certificate of Analysis) | Highly Recommended | Proves composition, especially hydrocarbon content for HS 3824.99.49.00. |
| ✅ Commercial Invoice | Mandatory | Clearly state: "Mortar Anti-freezing Agent, Chemical Additive, Model X." |
| ✅ Packing List | Mandatory | Detail net/gross weight, volume, and packaging type. |
| ✅ MSDS/SDS Translation | Mandatory | If importing to non-English speaking countries, translation is required. |
| ✅ Origin Certificate | Conditional | If claiming preferential treatment under FTAs (if applicable). |
✅ 2. Declaration Tips (Key Mantra)
🔥 "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 → Risk of tax error/rejection |
| Product contains petroleum hydrocarbons | 3824.99.49.00 (31.5% tax) |
Declaring as 3811.90.90 → 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 → Wrong HS Code |
✅ 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 |
|---|---|---|---|---|
| 🇺🇸 USA | 3824.50.00.50 or 3824.99.49.00 |
25% - 31.5% | SDS, EPA (if pesticide) | High scrutiny on chemical composition. |
| 🇨🇳 China | 3824.50.00.50 |
~5% - 10% | GB Standards | Lower tariffs, but strict environmental compliance. |
| 🇪🇺 EU | 3824.50.00.50 or 3824.99.49.00 |
6.5% - 12% | REACH, CLP Labeling | REACH registration is critical for chemical imports. |
| 🇦🇺 Australia | 3824.50.00.50 |
5% | GHS Labeling | Standard chemical import controls. |
📌 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.
📌 VI. Common Errors & Pitfall Guide (Lessons Learned)
❌ Error 1: Using 3808.94.90 without verifying tax rate
👉 Consequence: Customs may reject the declaration due to "Failed to Retrieve Tax" error, causing delays.
👉 Solution: Confirm tax rate with a local customs broker.
❌ Error 2: Misclassifying a hydrocarbon-based agent as a simple "chemical mixture"
👉 Consequence: Paying 25% instead of 31.5% → Customs Audit & Penalties.
👉 Solution: Provide detailed COA to prove hydrocarbon content.
❌ Error 3: Ignoring SDS requirements
👉 Consequence: Shipment held at port for hazardous material inspection.
👉 Solution: Always provide up-to-date SDS.
❌ Error 4: Declaring "Anti-freezing Agent" without specifying composition
👉 Consequence: Customs may reclassify to a higher tax code.
👉 Solution: Be specific: "Mortar Anti-freezing Agent, Hydrocarbon-based, Non-refractory."
✅ 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:
🔹 "Hydrocarbons? Pay 31.5%. Binders? Pay 25%. Pure Additives? Verify Tax First!"
🔹 "SDS is Mandatory, COA is Key, Don't Guess the Tax!"
📌 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.
👉 Action: Contact a customs broker to get the current, accurate tax rate for these specific codes before shipping.
📣 Immediate Action:
📞 Verify HS Code with a licensed customs broker.
📄 Prepare SDS & COA.
🚀 Ensure Smooth Clearance & Maximize Profit!
✨ Professional Clearance Starts with Accurate Classification!
💼 Every Percent of Tax Matters!
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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。
每个 HS 编码遵循以下层级结构：
- 章（2 位）——商品大类（例如：第 84 章：机器和机械设备）
- 品目（4 位）——章内的更具体分类
- 子目（6 位）——国际通用细分，所有 WCO 成员国统一使用
- 本国细分（8-10 位）——各国自行扩展的细分编码，如美国 HTSUS 10 位编码
正确的 HS 编码归类对于顺利通关、准确缴纳关税和遵守贸易法规至关重要。错误归类可能导致海关延误、多缴关税或罚款。
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
- 普通税率——适用于无贸易协定国家
- 贸易救济关税——附加关税，如 301 条款（反倾销）、232 条款（国家安全）或反补贴税
本页内容仅供参考。如需正式归类，请咨询当地海关或持牌报关代理。