水晶铸造稳定剂
CN → US| HS Code | Tariff Rate | Origin | Destination | Doc |
|---|---|---|---|---|
| 382490 | 0.0% | CN | US | Official Doc |
AI Analysis
🧪 Crystal Casting Stabilizer (水晶铸造稳定剂)
🌐 HS Code Reference & Customs Clearance Guide | 2026 Tariff Analysis | Professional Compliance Strategy
📌 I. Product Definition & Classification: What is a "Crystal Casting Stabilizer"?
"Crystal Casting Stabilizer" refers to chemical additives or preparations used in the manufacturing or casting process of artificial crystals, glass-like resins, or similar transparent materials. These stabilizers are designed to: 1. Prevent Degradation: Stop the chemical breakdown of the resin or crystalline structure during curing. 2. Enhance Clarity: Reduce yellowing or cloudiness over time. 3. Control Reaction Speed: Stabilize the polymerization or crystallization process.
⚠️ Key Classification Challenge: Since the product is a chemical preparation and not a finished electronic component or mechanical device, it falls under Chemical Products. Specifically, it is classified as an "Other Chemical Products and Preparations" because it does not fit into specific headings like pesticides, fertilizers, or perfumes.
🔍 Critical Distinction: - If the product is a pure chemical substance (e.g., pure UV stabilizer powder), it might fall under different headings (e.g., Chapter 29). - However, "Stabilizer" in a casting kit context is usually a mixture/preparation. - Default Classification: 3824.90 (Other prepared binders for foundry molds and cores; chemical products and preparations not elsewhere specified or included).
📦 II. HS Code Classification Details (2026 Latest Tariff Authority)
| HS Code | Product Description | Applicability | Why This Code? |
|---|---|---|---|
| 3824.90 | Other chemical products and preparations not elsewhere specified or included | Artificial crystal casting, resin stabilization, industrial chemical additives | As the reference content is empty regarding specific composition, 3824.90 is the default fallback for miscellaneous chemical preparations. |
🔍 Important Note: - Without specific composition data (e.g., percentage of UV absorbers, antioxidants), we cannot determine a more precise sub-code (like 2938 for sulfonated derivatives or 3824.10 for binders). - 3824.90 is the safest, most common classification for generic chemical stabilizers in casting kits. - Tax Information: The reference content states: "Failed to retrieve tax information" and "total_tax: Error". This means specific duty rates cannot be automatically calculated from the provided source. You must verify with local customs authorities or a licensed broker.
💰 III. 2026 Latest Tariff Rate Details (Including Surcharges & Policy Add-ons)
✅ Applicable Country: United States (US) [Assumed based on example format, but verify for your destination]
✅ Origin: China (CN) [Assumed based on example format]
⚠️ Critical Warning: The reference data explicitly states "Failed to retrieve tax information". Therefore, no specific duty rate can be guaranteed from this source.
🎯 1. HS Code 3824.90 – Other Chemical Preparations
| Item | Content |
|---|---|
| Base Tariff Rate | Varies (Typically 0%–5% for general chemical preparations, but subject to 301 Tariffs) |
| USITC Section 301 Surcharge | Often +25% (Check if the specific chemical family is on the China Tariff Exclusion List) |
| IEEPA Surcharge | +10% (If applicable under current emergency powers) |
| Total Estimated Rate | 0% to ~45% (Highly variable) |
| Tax Calculation | CIF Value × (Base Rate + Surcharges) |
| De Minimis Eligibility | ❌ Unlikely (Chemical products are often excluded from de minimis exemptions, especially from China) |
| Legal Basis Path | HTSUS: 3824.90 → Section 301 List 4A (if applicable) → USITC Rulings |
📌 Explanation: - Uncertainty in Tax Data: The provided data source failed to retrieve tax details. This is a red flag for automated systems. - Real-World Risk: Chemical products from China are frequently subject to Section 301 tariffs. Always assume a 25% surcharge unless you have an exclusion. - No Exact Rate Available: You must consult the USITC Tariff Lookup or a customs broker for the exact rate, as it depends on the specific chemical composition.
🛠️ IV. Customs Clearance Practical Advice (Battle-Tested Pitfall Guide)
✅ 1. Required Documents Checklist (Non-Negotiable)
| Document | Must Provide | Notes |
|---|---|---|
| ✅ Certificate of Analysis (COA) | ✔️ | Must list chemical composition, CAS numbers, and concentration. Crucial for classification. |
| ✅ Safety Data Sheet (SDS/MSDS) | ✔️ | Required for all chemical shipments. Must comply with GHS standards. |
| ✅ Product Specification Sheet | ✔️ | Detailed description of use (e.g., "for resin casting," "crystal stabilization"). |
| ✅ Commercial Invoice | ✔️ | Clearly state: "Crystal Casting Stabilizer, Chemical Preparation, HS 3824.90" |
| ✅ Bill of Lading/Air Waybill | ✔️ | Ensure no hazardous material labels unless the product is classified as hazardous. |
| ✅ Import License (if required) | ✔️ | Some chemical stabilizers may require EPA or CDC permits. |
✅ 2. Declaration Tips (Key Mantra)
🔥 “Chemical Stability is Key, Composition is King, SDS is Essential, Misclassification is Ringing the Alarm!”
| Scenario | Correct Declaration | Wrong Practice |
|---|---|---|
| Generic Stabilizer | 3824.90 |
❌ Misdeclare as "Plastic Additives" (8517) → Penalty |
| Hazardous Chemical | Declare as Dangerous Goods (DG) | ❌ Ship as Non-DG → Seizure + Fines |
| Pure Chemical vs. Mixture | Distinguish based on COA | ❌ Assume all "stabilizers" are 3824 → Risk of reclassification |
| Small Sample Shipment | Check De Minimis rules | ❌ Assume all small packages are tax-free → Customs may still inspect |
✅ 3. Special Case Handling
| Case | Handling Advice |
|---|---|
| EPA Registration Required | Some UV stabilizers or biocides require EPA registration. Verify before shipping. |
| Hazardous Classification | If the stabilizer is flammable or corrosive, it must be declared as DG (Class 3, 8, etc.). |
| Pre-Ruling (Advance Ruling) | Strongly Recommended. Apply for an Advance Ruling from US Customs to confirm 3824.90 classification. |
| Origin Marking | Clearly mark "Made in China" to avoid anti-dumping duty shocks. |
🌍 V. Global Market Comparison (2026 Latest)
| Country/Region | Recommended HS Code | Estimated Tariff | Certification Requirements | Notes |
|---|---|---|---|---|
| 🇺🇸 USA | 3824.90 |
0%–45% (Uncertain) | EPA (if applicable), DOT (if DG) | High risk due to missing tax data. |
| 🇨🇳 China | 3824.90 |
5%–8% | CNCA, RoHS | Standard import duty. |
| 🇪🇺 EU | 3824.90 |
0%–4.5% | REACH Registration | REACH compliance is mandatory. |
| 🇬🇧 UK | 3824.90 |
0%–5% | UK REACH | Post-Brexit rules apply. |
| 🇯🇵 Japan | 3824.90 |
0%–6% | Chemical Substance Control Law | Strict chemical reporting. |
📌 Conclusion: - USA: Highest uncertainty due to tax retrieval failure. Risk of Section 301 tariffs. - EU/UK: REACH registration is the biggest hurdle. - Asia: Generally lower tariffs, but stricter chemical reporting.
📌 VI. Common Errors & Pitfall Guide (Blood & Tears Lessons)
❌ Error 1: Declaring without SDS/MSDS
👉 Consequence: Customs seizure or return shipment. Chemicals without safety data are blocked globally.
❌ Error 2: Assuming 0% Duty
👉 Consequence: Unexpected 25%+ tariff due to Section 301. Always verify with a broker.
❌ Error 3: Misdeclaring as "Plastic Parts" (8517/3917)
👉 Consequence: Classification error, penalties, and back-taxes.
❌ Error 4: Ignoring Hazardous Classification
👉 Consequence: Fines, imprisonment, or air carrier rejection. If flammable, declare as DG.
✅ Correct Practice:
“Crystal Casting Stabilizer, Chemical Preparation, Non-Hazardous (if true), HS 3824.90, SDS Attached, COA Provided.”
🎯 VII. Conclusion: Precision in Chemicals Saves Costs
🎯 Remember the Mantra:
🔹 “Chemicals are tricky, SDS is vital, 3824 is likely, but tax is tricky!”
🔹 “No tax data? Get a pre-ruling. No SDS? Don’t ship!”
📌 Pro Tip:
Since the reference data failed to retrieve tax information, you MUST: 1. Consult a Licensed Customs Broker. 2. Apply for an Advance Ruling with US Customs (if importing to the US). 3. Verify REACH/EPA compliance for EU/US markets. 4. Ensure SDS is up-to-date and matches the product exactly.
📣 Immediate Action Required:
📞 Contact a Customs Broker + Provide SDS & COA + Request Pre-Ruling
🚀 Avoid Surprises, Ensure Compliance, Keep Your Crystal Clear!
✨ Professional Clearance Starts with Accurate Classification!
💼 Your Chemicals Are Not Just Liquids – They Are Regulated Commodities!
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) — Broad category of goods (e.g., Chapter 84: Machinery and Mechanical Appliances)
- Heading (4 digits) — More specific grouping within the chapter
- Subheading (6 digits) — Internationally standardized breakdown, used by all WCO member countries
- National subdivisions (8-10 digits) — 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 — The standard duty rate applied to WTO members
- General rate — Applied to countries without trade agreements
- Trade remedy duties — 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.