No bake Casting Adhesive
CN β US| HS Code | Tariff Rate | Origin | Destination | Doc |
|---|---|---|---|---|
| 2835295100 | 39.1% | CN | US | Official Doc |
| 3801300000 | 39.9% | CN | US | Official Doc |
| 3810905000 | 40.0% | CN | US | Official Doc |
| 3810902000 | 35.0% | CN | US | Official Doc |
| 3506990000 | 37.1% | CN | US | Official Doc |
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AI Analysis
π§ͺ No-Bake Casting Adhesive (Inorganic & Inorganic-Organic Composite Binders)
π HS Code Classification & Customs Clearance Guide | 2026 Latest Tariff Analysis | Professional Customs Strategy
π I. Product Definition: What is "No-Bake Casting Adhesive"?
"No-Bake Casting Adhesive" refers to chemical binders used in foundry applications to hold sand particles together for metal casting molds and cores without requiring thermal curing (baking). Instead, these adhesives often cure through chemical reaction (e.g., COβ hardening, moisture curing, or ambient temperature setting).
Key characteristics often include: * Inorganic Components: Phosphate-based or water-glass (silicate) based binders. * Organic/Composite Components: Resin-modified binders for improved green strength. * Function: Aiding the structural integrity of sand molds before molten metal is poured.
β οΈ Critical Classification Challenge:
The classification depends heavily on the primary material composition (Inorganic vs. Organic/Chemical). If it's purely inorganic salts (like phosphates), it may fall under Chapter 28. If it's a prepared chemical binder/resin, it falls under Chapter 38 or 35.
π¦ II. HS Code Classification Details (Based on Provided Data)
The following HS Codes are derived from the provided <DATA> context, analyzing material properties and usage.
| HS Code | Product Description / Summary | Key Matching Logic | Total Tax Rate |
|---|---|---|---|
| 2835.29.51.00 | Phosphates (Other) Inorganic Binder Classification |
Material Inference: Inorganic binders often contain phosphate components. Fits the category of "Other Phosphates." No conflict in form or use. | 39.1% |
| 3801.30.00.00 | Carbonaceous Pastes & Similar Refractory Pastes Binder for Furnace Linings/Electrodes |
Functional Match: Inferred as a binder component for "carbonaceous pastes" used in furnace linings or electrodes. Usage (casting) aligns with paste functionality. No material/form conflict. | 39.9% |
| 3810.90.50.00 | Other Prepared Auxiliary Preparations Chemical Auxiliary Agent |
Preparation Status: Classified as a "chemical preparation." The term "adhesive/binder" implies an auxiliary material role. Fits "Other Auxiliary Preparations." No conflict with metal processing aids. | 40.0% |
| 3810.90.20.00 | Preparations for Metal Surface Treatment / Casting Auxiliaries Inorganic Metal Casting Auxiliary |
Specific Use: Used as an auxiliary agent for metal casting. Material inferred as inorganic (via "binder" nature), compatible with "entirely inorganic substances"ε εΊ (catch-all) requirement. | 35.0% |
| 3506.99.00.00 | Other Prepared Adhesives Prepared Chemical Adhesive |
Chemical Nature: Classified as a "prepared chemical adhesive." Common sense infers it is synthetically prepared/compound material. Compatible with "Other Prepared Adhesives." | 37.1% |
π Analysis of Tax Discrepancy:
The tax rates range from 35.0% to 40.0%. The lowest rate (35.0%) applies to HS Code3810.90.20.00, which has a 0% Base Tariff. The highest (40.0%) applies to3810.90.50.00, which has a 5.0% Base Tariff. All share the same additional tariffs.
π° III. 2026 Latest Tariff Rate Breakdown (US Import from China)
β Applicable Country: United States (US)
β Origin: China (CN)
β Effective Date: From November 10, 2025 (including subsequent imports)
All listed HS Codes are subject to the same Additional Tariff Structure:
π Standard Tax Components for All Listed Codes:
| Tax Component | Rate | Legal Basis |
|---|---|---|
| Base Tariff (MFN) | Varies (0% - 5.0%) | Depends on specific HS Code (see table above) |
| Section 301 Tariff (25%) | +25.0% | USITC Footnote 9903.88.01 / Section 301 Action |
| IEEPA Tariff (10%) | +10.0% | International Emergency Economic Powers Act (China-specific) |
| Total Effective Rate | 35.0% - 40.0% | Base + 25% + 10% |
π― Detailed Breakdown by HS Code:
1. π₯ Best Rate Option: 3810.90.20.00 (35.0% Total)
- Base Tariff: 0.0%
- Additions: +25% (301) + 10% (IEEPA)
- Total: 35.0%
- Why Choose This?: If your adhesive is clearly identified as an inorganic casting auxiliary with no organic resin content, this is the most cost-effective classification.
2. βοΈ Mid-Range Option: 3506.99.00.00 (37.1% Total)
- Base Tariff: 2.1%
- Additions: +25% (301) + 10% (IEEPA)
- Total: 37.1%
- Why Choose This?: If the product is marketed as a "Prepared Adhesive" (θΆι»ε) and has organic components, this is a standard chemical adhesive classification.
3. β οΈ Higher Rate Option: 2835.29.51.00 (39.1% Total)
- Base Tariff: 4.1%
- Additions: +25% (301) + 10% (IEEPA)
- Total: 39.1%
- Risk: Classifying purely as "Phosphates" may trigger stricter scrutiny if other binding agents are present.
4. β οΈ Highest Rate Option: 3810.90.50.00 (40.0% Total)
- Base Tariff: 5.0%
- Additions: +25% (301) + 10% (IEEPA)
- Total: 40.0%
- Risk: "Other Auxiliary Preparations" is a catch-all. If the product has a specific function (like casting aid), it might be better classified under
3810.90.20.00to save 5%.
π οΈ IV. Customs Clearance Practical Advice (Avoiding Pitfalls)
β 1. Required Documentation (Mandatory)
| Document | Must Provide? | Description |
|---|---|---|
| β Technical Data Sheet (TDS) | βοΈ | Must specify: Chemical Composition, Binding Mechanism (e.g., COβ, Moisture, Ambient), Primary Ingredients (Inorganic Phosphate vs. Organic Resin). |
| β MSDS / SDS | βοΈ | Safety Data Sheet. Critical for determining if it's hazardous. |
| β Product Photos | βοΈ | Clear images of the packaging, label, and product form (liquid, powder, paste). |
| β Commercial Invoice | βοΈ | Description must be precise: "No-Bake Casting Adhesive, Inorganic, for Sand Molds." Avoid vague terms like "Glue." |
| β Certificate of Origin (CO) | βοΈ | To prove Chinese origin and apply correct IEEPA/301 tariffs. |
| β Formulation Percentage | βοΈ | To justify classification between Chapter 28 (Inorganic Salts) and Chapter 35/38 (Prepared Preparations). |
β 2. Declaration Strategy (Key Tips)
π₯ Golden Rule:
"Define the Primary Function & Material First!"
| Scenario | Recommended HS Code | Reasoning |
|---|---|---|
| Product is mostly Inorganic Phosphate | 2835.29.51.00 |
Material is salt/phosphate. |
| Product is a Casting Aid/Auxiliary | 3810.90.20.00 |
LOWEST TAX. Used specifically for metal casting surface/mold treatment. |
| Product is a General Chemical Paste for Furnaces | 3801.30.00.00 |
Used for refractory/furnace lining paste. |
| Product is a Standard Prepared Glue | 3506.99.00.00 |
If it acts like a general adhesive with no specific industrial casting claim. |
| Product is a General Auxiliary Chemical | 3810.90.50.00 |
If it doesn't fit other specific categories. |
β 3. Special Considerations
| Situation | Advice |
|---|---|
| Mix of Inorganic & Organic | If organic resin >50%, lean towards 3506 or 3810. If inorganic salts >50%, consider 2835. |
| COβ Hardening Binders | Often contain silicates or phosphates. Ensure TDS highlights inorganic nature to support 2835 or 3810.90.20. |
| Liquid vs. Powder | Form factor doesn't change HS code much, but Physical State in SDS must match description. |
| Hazardous Goods | If classified as hazardous, additional shipping and handling fees apply. Ensure SDS classifies it correctly. |
π V. Global Market Comparison (2026 Update)
| Country/Region | Recommended HS Code | Base Tariff | Additional Tariffs | Total Est. Tax | Notes |
|---|---|---|---|---|---|
| πΊπΈ USA | 3810.90.20.00 |
0% | +35% (301+IEEPA) | 35% | Best Option for Casting Aids. |
| π¨π³ China | 3810.90.20.00 |
0% | None | 0% | Duty-free import into China. |
| πͺπΊ EU | 3810.90.20.00 |
~2.7% | None | ~2.7% | No Section 301/IEEPA equivalents. |
| π¬π§ UK | 3810.90.20.00 |
~2.7% | None | ~2.7% | Post-Brexit tariff alignment with EU. |
| π―π΅ Japan | 3810.90.20.00 |
0-2.9% | None | ~0-2.9% | Low tariff environment. |
π Conclusion:
The US market is the most challenging due to the 35-40% total tariff burden.
EU/UK/Japan offer significantly lower costs (~0-3%).
Strategy: For US imports, aggressively argue for3810.90.20.00(35% total) rather than3810.90.50.00(40% total) to save 5% per CIF value.
π VI. Common Errors & Pitfalls (Lessons Learned)
β Error 1: Classifying as "General Glue" (3506) when it's a specific "Casting Aid"
π Result: Tax increases from 35% to 37.1%.
π Fix: Emphasize "Casting Auxiliary" in documentation to qualify for 3810.90.20.00.
β Error 2: Misclassifying Inorganic Binders as "Organic Resins"
π Result: Incorrect HS Code, potential penalty, and higher base tariff.
π Fix: Provide TDS showing high phosphate/silicate content.
β Error 3: Failing to Declare "No-Bake" Nature
π Result: Customs may question the curing process.
π Fix: Clearly state "No-Bake / Chemical Curing" in product description.
β Error 4: Not Separating "Adhesive" from "Casting Mold Sand"
π Result: If sold with sand, it might be classified as a kit.
π Fix: Ship Adhesive and Sand separately. Declare Adhesive only.
π― VII. Conclusion: Optimize for 3810.90.20.00
π― Key Takeaway:
Target HS Code:
3810.90.20.00
Total Tax: 35.0% (Lowest in the dataset)
Reason: It is specifically for metal casting auxiliaries with a 0% Base Tariff.
π Pro Tip:
- Ensure your Technical Data Sheet (TDS) explicitly mentions:
- "For Metal Casting"
- "Auxiliary Preparation"
- "Inorganic Components" (if applicable)
- This justification supports the lowest tax bracket and avoids the "General Auxiliary" or "Chemical Paste" categories which have higher base rates.
π£ Immediate Action:
π Consult a Customs Broker to review your TDS.
π Prepare Formulation Details to prove inorganic/casting-auxiliary nature.
π Aim for3810.90.20.00to save 5% compared to other options.
π‘ Professional Classification = Profit Protection!
β¨ Precision in Classification, Precision in Savings!
πΌ Every Percentage Point Counts in International Trade!
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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.