Fire resistant Cement (Rapid Setting)
CN β US| HS Code | Tariff Rate | Origin | Destination | Doc |
|---|---|---|---|---|
| 2523900000 | 35.0% | CN | US | Official Doc |
| 6810110010 | 38.2% | CN | US | Official Doc |
| 3816002050 | 38.0% | CN | US | Official Doc |
| 3816001000 | 35.0% | CN | US | Official Doc |
| 2523290000 | 35.0% | CN | US | Official Doc |
| 6810990080 | 35.0% | CN | US | Official Doc |
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𧱠Fire Resistant Cement (Rapid Setting)
π HS Code Reference & Clearance Guide | 2026 Latest Tariff Analysis | Professional Clearance Strategy
π I. Product Definition & Classification: Do You Really Understand "Fire Resistant Cement"?
Fire-resistant cement (often marketed as refractory concrete, fireproof mortar, or high-alumina cement) is a specialized construction material designed to withstand extreme temperatures and thermal shock. In international trade, it is primarily categorized based on its chemical composition (hydraulic vs. non-hydraulic) and its physical form (raw material vs. finished article).
The key distinction lies in whether the product is considered a "Cement" (raw hydraulic binder, Chapter 25 or 38) or a "Concrete Article" (finished construction material, Chapter 68).
β οΈ Critical Classification Point:
- If it is a powder/binder used to make concrete on-site β It may fall under Chapter 25 (Mineral Products) or Chapter 38 (Miscellaneous Chemical Products).
- If it is a pre-mixed or finished refractory article β It typically falls under Chapter 68 (Articles of Stone, Plaster, Cement, Asbestos, Mica, or Similar Materials).
π¦ II. HS Code Classification Details (2026 Latest Tariff Authorityε―Ήη §)
Based on the provided data for "Fire resistant Cement (Rapid Setting)", here are the specific HS Codes, summaries, and tax breakdowns.
| HS Code | Summary of Classification | Total Tax Rate | Tax Detail Breakdown |
|---|---|---|---|
| 2523.90.00.00 | Classified as a type of hydraulic cement. Matches the definition of hydraulic cement material. | 35.0% | Base Duty: 0.0% Section 301 Duty: 25.0% Section 122 Duty: 10% |
| 6810.11.00.10 | The term "Concrete" corresponds to "Concrete" in classification; "Refractory" attribute fits building product characteristics. | 38.2% | Base Duty: 3.2% Section 301 Duty: 25.0% Section 122 Duty: 10% |
| 3816.00.20.50 | "Refractory Concrete" directly matches "Refractory... Concrete" in classification; belongs to specific articles in this category. | 38.0% | Base Duty: 3.0% Section 301 Duty: 25.0% Section 122 Duty: 10% |
| 3816.00.10.00 | Material (Refractory) and Form (Concrete) both fit the scope of refractory cement, mortar, concrete, and similar articles. | 35.0% | Base Duty: 0.0% Section 301 Duty: 25.0% Section 122 Duty: 10% |
| 2523.29.00.00 | Falls under the category of hydraulic cement. Has cement/concrete material characteristics, fitting "Portland Cement (Other)". | 35.0% | Base Duty: 0.0% Section 301 Duty: 25.0% Section 122 Duty: 10% |
| 6810.99.00.80 | Material is fire-resistant concrete, meeting the material requirement for "Cement, Concrete or Artificial Stone Articles"; form is a concrete article. | 35.0% | Base Duty: 0.0% Section 301 Duty: 25.0% Section 122 Duty: 10% |
π Key Distinction Logic:
- Chapter 25 (2523): Focuses on the raw hydraulic binder aspect. If the product is essentially a specialized cement powder, these codes apply.
- Chapter 38 (3816): Focuses on refractory preparations. If the product includes specific chemical additives for fire resistance beyond standard cement, it may be classified here.
- Chapter 68 (6810): Focuses on finished articles. If the product is pre-mixed, pre-formed, or clearly defined as a "concrete article" rather than just a binder, this chapter applies.
π° III. 2026 Latest Tariff Rate Detail (Including Surcharges & Policy Additions)
β Applicable Country: United States (US)
β Origin: China (CN)
β Effective Time: From November 10, 2025 (including subsequent imports)
π― 1. 2523.90.00.00 & 2523.29.00.00 ββ Hydraulic Cement (Mineral Products)
| Item | Content |
|---|---|
| Base Duty Rate | 0% (ad valorem) |
| USITC Surcharge (Section 301) | +25% (Based on USITC Footnote for Chapter 25) |
| IEEPA Surcharge (Section 122) | +10% (Targeting China/HK products) |
| Total Tax Rate | 35.0% |
| Tax Calculation | CIF Value Γ 35% |
| De Minimis Exemption | β Not Available (deny_de_minimis) |
| Legal Basis Path | IEEPA:122 β USITC:2523 β Footnote:Chapter 25 Surcharge |
π Explanation:
- Although the base duty is 0%, the additional surcharges bring the total to 35%.
- This classification treats the product primarily as a raw mineral/cement product.
π― 2. 6810.11.00.10 ββ Concrete Articles (Building Products)
| Item | Content |
|---|---|
| Base Duty Rate | 3.2% |
| USITC Surcharge (Section 301) | +25% |
| IEEPA Surcharge (Section 122) | +10% |
| Total Tax Rate | 38.2% |
| Tax Calculation | CIF Value Γ 38.2% |
| De Minimis Exemption | β Not Available |
| Legal Basis Path | IEEPA:122 β USITC:6810 β Footnote:Building Articles Surcharge |
π Note:
- This is the highest tax rate among the options.
- Applies when the product is clearly identified as a finished concrete article or building product.
π― 3. 3816.00.20.50 & 3816.00.10.00 ββ Refractory Preparations (Chemical/Industrial)
| Item | Content |
|---|---|
| Base Duty Rate | 0.0% (for 3816.00.10.00) / 3.0% (for 3816.00.20.50) |
| USITC Surcharge (Section 301) | +25% |
| IEEPA Surcharge (Section 122) | +10% |
| Total Tax Rate | 35.0% (for 3816.00.10.00) / 38.0% (for 3816.00.20.50) |
| Tax Calculation | CIF Value Γ 35% or 38% |
| De Minimis Exemption | β Not Available |
| Legal Basis Path | IEEPA:122 β USITC:3816 β Footnote:Refractory Preparations |
π Explanation:
-3816.00.10.00is preferred if the product is a refractory preparation with a base duty of 0%.
-3816.00.20.50applies to specific refractory concrete articles with a 3.0% base duty.
π― 4. 6810.99.00.80 ββ Other Concrete Articles
| Item | Content |
|---|---|
| Base Duty Rate | 0.0% |
| USITC Surcharge (Section 301) | +25% |
| IEEPA Surcharge (Section 122) | +10% |
| Total Tax Rate | 35.0% |
| Tax Calculation | CIF Value Γ 35% |
| De Minimis Exemption | β Not Available |
π Note:
- This code is for other concrete articles not specifically listed elsewhere in Chapter 68.
- Useful if the product doesn't fit neatly into6810.11but is still a concrete article.
π οΈ IV. Clearance Practical Advice (Real-World Pitfall Avoidance Guide)
β 1. Required Documentation Checklist (No Shortcuts)
| Document | Mandatory? | Description |
|---|---|---|
| β Product Specification Sheet | βοΈ | Must specify: Fire resistance rating (e.g., 1000Β°C), setting time (Rapid Setting), chemical composition, and intended use. |
| β Safety Data Sheet (SDS) | βοΈ | Required for chemical classification verification. |
| β Product Photos (Label & Appearance) | βοΈ | Clear label showing "Refractory Cement," "Rapid Setting," and brand/model. |
| β Commercial Invoice | βοΈ | Must clearly state: "Fire Resistant Cement (Rapid Setting)" and correct HS Code. |
| β Packing List | βοΈ | Detail weight and volume. |
| β Origin Certificate | βοΈ | If non-China origin, to claim preferential rates (though most China-origin products face surcharges). |
β 2. Declaration Tips (Key Mantras)
π₯ "Be Specific! 'Refractory Cement' is not just 'Cement'!"
| Scenario | Correct Declaration | Wrong Practice |
|---|---|---|
| Powder Form | Use 2523 or 3816 codes. Clearly state "Hydraulic Cement" or "Refractory Preparation." | Misdeclaring as generic "Cement" without specifying refractory nature β Risk of audit. |
| Pre-mixed Bag | Use 6810 codes. State "Pre-mixed Refractory Concrete." | Declaring as raw cement powder β Misclassification. |
| Rapid Setting Feature | Highlight "Rapid Setting" in description. | Ignoring key features β May lead to lower HS code classification. |
| Intended Use | Specify "For Industrial Kiln Lining" or "Fireproof Coating." | Vague description β Customs may question the nature of the product. |
β 3. Special Situation Handling
| Situation | Recommendation |
|---|---|
| Customs Questioning | Provide technical data showing fire resistance properties (e.g., melting point, thermal shock resistance). |
| Mixed Shipment | Declare Fire Resistant Cement separately from standard cement to avoid confusion. |
| Bulk vs. Retail | Bulk bags may be classified differently than small retail packs. Ensure consistency. |
| Re-export | If re-exported, ensure original HS Code is maintained to avoid additional duties. |
π V. Global Market Clearance Comparison (2026 Latest)
| Country/Region | Recommended HS Code | Tariff (China Origin) | Certification Requirements | Remarks |
|---|---|---|---|---|
| πΊπΈ USA | 2523.90.00.00 or 6810.11.00.10 |
35% - 38.2% | No specific certification required, but technical data is crucial. | High surcharges due to Section 301 & 122. |
| π¨π³ China | 2523.90.00.00 |
0% | GB Standards | No additional surcharges. |
| πͺπΊ EU | 2523.90 or 3816.00 |
Varies (0-6.5%) | REACH, CLP | No Section 301/122 equivalent. |
| π¬π§ UK | 2523.90 or 3816.00 |
Varies | UKCA, RECH | Post-Brexit rules apply. |
| π―π΅ Japan | 2523 or 6810 |
0-3% | JIS Standards | Low tariffs, high quality standards. |
π Conclusion:
- USA is the most expensive market for Fire Resistant Cement due to additional surcharges.
- EU and Japan are more cost-effective in terms of tariffs, but have strict chemical/environmental regulations (REACH, JIS).
π VI. Common Errors & Pitfall Guide (Blood & Tears Lessons)
β Mistake 1: Declaring as generic "Cement" (2523.21)
π Consequence: Incorrect classification. Customs may reclassify to 2523.90 or 3816 with higher scrutiny.
β Mistake 2: Ignoring "Refractory" Nature
π Consequence: Missing the specific HS code for refractory products (3816). May lead to delays and additional testing.
β Mistake 3: Vague Description "Building Material"
π Consequence: Customs will ask for detailed specs. Delays in clearance.
β Mistake 4: Not Declaring "Rapid Setting" Feature
π Consequence: May be classified as standard hydraulic cement, which might have different technical requirements.
β Correct Practice:
"Fire Resistant Hydraulic Cement, Rapid Setting, High-Alumina Based, For Industrial Kiln Lining, HS Code: 2523.90.00.00, Section 301 & 122 Applicable."
π― VII. Conclusion: Precise Classification, Save Time, Reduce Costs!
π― Remember the Mantra:
πΉ "Refractory Cement is not Regular Cement!"
πΉ "Specify 'Refractory' and 'Rapid Setting'!"
πΉ "USA Tariff is 35-38%, Don't Guess!"
π Pro Tip:
If your product is originating from Vietnam, Mexico, or Thailand, you may be eligible for IEEPA Exemptions or lower tariffs.
Recommend applying for an Advance Ruling from US Customs and Border Protection (CBP) to avoid clearance risks.
π£ Take Action Now:
π Contact a Professional Customs Broker + Provide Product Specs + Apply for HS Code Advance Ruling
π Let your Fire Resistant Cement Clear Customs Smoothly, Efficiently, and Profitably!
β¨ Professional Clearance Starts with Accurate Classification!
πΌ Every Penny of Your Cost Deserves Precise Calculation!
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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.