casting sand binder
CN β US| HS Code | Tariff Rate | Origin | Destination | Doc |
|---|---|---|---|---|
| 3810905000 | 40.0% | CN | US | Official Doc |
| 3810902000 | 35.0% | CN | US | Official Doc |
| 3914006000 | 38.9% | CN | US | Official Doc |
| 3824100000 | 41.0% | CN | US | Official Doc |
| 3824999397 | 40.0% | CN | US | Official Doc |
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AI Analysis
π Casting Sand Binder (Chemical Binders for Metal Casting)
π HS Code Reference & Customs Clearance Guide | 2024/2025 Tariff Breakdown | Professional Compliance Strategy
π 1. Product Definition & Classification: What is "Casting Sand Binder"?
Casting Sand Binders are critical chemical additives used in the metal foundry industry. They are mixed with silica sand or other molding sands to create the "green sand" or "dry sand" molds and cores that take the shape of molten metal.
Key Characteristics: * Function: Holds sand grains together to form strong mold cavities. * Composition: Can be organic (resins, clays, oils) or inorganic. The data provided indicates "Dual-metal" and "Chemical" compositions. * Application: Specifically for Casting Molds (Molds) or Cores.
β οΈ Critical Classification Insight:
- If the product is a standard organic/inorganic resin used for general mold binding, it often falls under Chapter 38 (Miscellaneous Chemical Products).
- The specific mention of "Dual-Metal" (ειε±) and "Chemical Preparation" in the source data points towards specialized chemical preparations not primarily defined by a single polymer class (like pure plastics), leading to classification in HS 3810 or 3824.
π¦ 2. HS Code Classification Details (Based on Provided Data)
The following HS Codes are derived from the specific summary descriptions provided in your data. Note that tax rates include Base Duties + Section 301 (25%) + Section 122/IEEPA (10%) where applicable.
| HS Code | Product Description & Rationale | Key Tax Components | Total Tax Rate* |
|---|---|---|---|
| 3810.90.50.00 | Double-Metal Casting Sand Binder. Classified as a chemical preparation for auxiliary purposes, containing metal components. Rationale: Matches the "Dual-Metal" (ειε±) and "Chemical Preparation" description. |
Base: 5% Sec 301: 25% 122 Clause: 10% |
40.0% |
| 3810.90.20.00 | Metal Casting Auxiliary Preparation. Contains inorganic components, fits the "Metal Processing Auxiliary" category. Rationale: Focuses on "Inorganic" (ζ ζΊ) and "Auxiliary" (θΎ ε©) nature. |
Base: 0% Sec 301: 25% 122 Clause: 10% |
35.0% |
| 3914.00.60.00 | Polymer-Based Ion Exchange/Binding Agent. Inferred as a polymer class based on chemical bonding properties, fitting "Other Ion Exchange Agents." Rationale: If the binder is primarily a synthetic resin/polymer. |
Base: 3.9% Sec 301: 25% 122 Clause: 10% |
38.9% |
| 3824.10.00.00 | Prepared Binders / Adhesives. Directly links "Binder" to "Adhesive" (η²εε) for cast molds/cores. "Dual-Metal" is a material feature. Rationale: Broad category for "Prepared Binders" not elsewhere specified. |
Base: 6% Sec 301: 25% 122 Clause: 10% |
41.0% |
| 3824.99.93.97 | Other Unlisted Chemical Products. Chemical preparation for casting, fitting "Other chemical products and preparations." Rationale: Catch-all for specialized chemical binders not fitting specific subheadings. |
Base: 5% Sec 301: 25% 122 Clause: 10% |
40.0% |
π Note on Tax Calculation:
The "Total Tax" listed above is the sum of:
1. Base Duty (MFN rate from USITC HTS)
2. Section 301 Duties (25% surcharge on Chinese goods for these chapters)
3. Section 122 / IEEPA Duties (10% surcharge, applicable to specific chemical imports from China as per recent trade actions).
β οΈ These high rates indicate that importing this product from China to the US is subject to significant tariffs.
π° 3. Tariff Breakdown & Legal Basis
π― 1. 3810.90.50.00 β Dual-Metal Binder (Highest Risk/Specific)
- Base Duty: 5.0%
- Section 301 (Trade War): +25.0%
- Section 122 / IEEPA: +10.0%
- Total: 40.0%
- Legal Path:
HTS:3810.90.50.00βUSITC:301βIEEPA:122
Explanation: This code is specific to the "Dual-Metal" (ειε±) description. If your product genuinely contains dual-metal components designed for specific casting alloys, this is the most accurate fit. However, if the "metal" is just a trace element or filler, customs may challenge this.
π― 2. 3810.90.20.00 β Inorganic Auxiliary (Lowest Base)
- Base Duty: 0.0%
- Section 301 (Trade War): +25.0%
- Section 122 / IEEPA: +10.0%
- Total: 35.0%
- Legal Path:
HTS:3810.90.20.00βUSITC:301βIEEPA:122
Explanation: If your binder is primarily inorganic (e.g., sodium silicate, clay-based), this is the best code. It has a 0% base duty, reducing the total tariff burden slightly compared to others. Recommendation: Use this if your product formulation is inorganic.
π― 3. 3914.00.60.00 β Polymer Resin Binder
- Base Duty: 3.9%
- Section 301 (Trade War): +25.0%
- Section 122 / IEEPA: +10.0%
- Total: 38.9%
- Legal Path:
HTS:3914.00.60.00βUSITC:301βIEEPA:122
Explanation: Use this ONLY if the binder is a synthetic polymer/resin (e.g., phenolic, furan, epoxy resins used in core shooting). If it's a simple chemical mix, this might be incorrect.
π― 4. 3824.10.00.00 β Prepared Binders (Broad)
- Base Duty: 6.0%
- Section 301 (Trade War): +25.0%
- Section 122 / IEEPA: +10.0%
- Total: 41.0%
- Legal Path:
HTS:3824.10.00.00βUSITC:301βIEEPA:122
Explanation: This is a common "catch-all" for binders. It has the highest base duty (6%) among the options, leading to the highest total rate. Only use if no other specific code fits.
π― 5. 3824.99.93.97 β Other Chemicals (Catch-All)
- Base Duty: 5.0%
- Section 301 (Trade War): +25.0%
- Section 122 / IEEPA: +10.0%
- Total: 40.0%
- Legal Path:
HTS:3824.99.93.97βUSITC:301βIEEPA:122
Explanation: Last resort if the product is highly specialized and doesn't fit 3810 or 3824.10.
π οΈ 4. Customs Clearance Practical Advice
β 1. Essential Documentation (Must-Have)
| Document | Requirement | Why? |
|---|---|---|
| Safety Data Sheet (SDS) | Mandatory | Must clearly state chemical composition, especially "Inorganic" vs. "Organic" vs. "Metal Components." |
| Product Specification | Mandatory | Detail the % of binders, hardeners, and any metal additives. |
| Letter of Explanation | Recommended | Explain why the product is classified under the chosen HS code (e.g., "This is an inorganic binder containing X% clay"). |
| Commercial Invoice | Mandatory | Must match the SDS description exactly. Do not just write "Casting Sand." Write "Casting Sand Binder (Inorganic, 20kg Bag)." |
| Origin Certificate | Optional but Helpful | If not from China, tariffs drop significantly. Critical: If from China, expect 35-41%. |
β 2. Classification Strategy (How to Choose)
π₯ "Know Your Chemistry! Inorganic vs. Organic vs. Metal"
| Product Type | Recommended HS Code | Total Tax | Reason |
|---|---|---|---|
| Inorganic Binder (e.g., Sodium Silicate, Clay) | 3810.90.20.00 | 35.0% | Lowest base duty (0%). Best if composition is inorganic. |
| Dual-Metal Binder (Specific Alloy Additives) | 3810.90.50.00 | 40.0% | Matches "Dual-Metal" description in data. |
| Resin/Polymer Binder (Phenolic, Furan) | 3914.00.60.00 | 38.9% | If it's a synthetic resin, Chapter 39 is more accurate. |
| General Prepared Binder (Generic Mix) | 3824.10.00.00 | 41.0% | Highest tax. Avoid unless necessary. |
β 3. Red Flags & Pitfalls
β Pitfall 1: Vague Description
Wrong: "Casting Sand"
Why: "Sand" is mineral (Chapter 25). The binder is the chemical additive.
Correct: "Casting Sand Binder, Chemical Preparation, Inorganic."
β Pitfall 2: Misclassifying Resins as Minerals
Wrong: Classifying a phenolic resin binder as Chapter 25 (Mineral).
Why: Resins are Chapter 39. Misclassification leads to penalties.
β Pitfall 3: Ignoring Section 122/IEEPA
Wrong: Assuming only Section 301 (25%) applies.
Why: The data explicitly includes a 10% Section 122/IEEPA duty for these chemical codes from China. Total duty is Base + 25% + 10%.
π 5. Global Market Comparison (2026 Outlook)
| Market | Recommended HS Code | Estimated Duty (China Origin) | Notes |
|---|---|---|---|
| πΊπΈ USA | 3810.90.20.00 or 3810.90.50.00 |
35% - 41% | High tariffs due to Sec 301 + 122. Consider third-party country (e.g., Vietnam, Mexico) for lower duties. |
| π¨π³ China | 3810.90.20.00 |
5% | Import duty is low. No additional trade war tariffs. |
| πͺπΊ EU | 3824.10.00 |
6.5% | No Section 301/122 equivalent. Standard MFN rate. |
| π¬π§ UK | 3824.10.00 |
6.5% | Post-Brexit rates align closely with EU for these chemicals. |
π Strategic Insight:
For the US market, the 35-41% tariff is a major cost driver. If possible, sourcing from non-China countries (e.g., Vietnam, Thailand, Mexico) can eliminate the 25% Sec 301 and 10% IEEPA duties, reducing the total tax to just the Base Duty (0-6%).
π 6. Conclusion: Action Plan
- Identify Composition: Determine if your binder is Inorganic, Polymer, or Dual-Metal.
- Select HS Code:
- Inorganic β 3810.90.20.00 (Lowest Tax: 35%)
- Dual-Metal β 3810.90.50.00 (Tax: 40%)
- Polymer β 3914.00.60.00 (Tax: 38.9%)
- Calculate Landed Cost: Include Base + 25% + 10% if shipping from China.
- Prepare SDS: Ensure the SDS matches the chemical description in the HS code rationale.
- Consider Supply Chain Diversification: If shipping to the US, explore suppliers in Vietnam, Mexico, or India to avoid the ~35-41% tariff block.
π£ Pro Tip:
"Chemical Classification is not guesswork!
Inorganic = 35% | Metal = 40% | Polymer = 38.9%.
Get an Advance Ruling from CBP if in doubt to avoid costly delays."
π Clear Compliance, Lower Costs, Faster Clearance!
Customer Reviews
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.