molding sand binder
CN → US| HS编码 | 关税税率 | 原产国 | 目的国 | 文档 |
|---|---|---|---|---|
| 3810905000 | 40.0% | CN | US | 官方文档 |
| 3810902000 | 35.0% | CN | US | 官方文档 |
| 3914006000 | 38.9% | CN | US | 官方文档 |
| 3824100000 | 41.0% | CN | US | 官方文档 |
| 3824999397 | 40.0% | CN | US | 官方文档 |
商品图片
AI分析
🏭 Molding Sand Binder (双金属铸造砂粘结剂)
🌐 HS Code Reference & Customs Clearance Guide | 2026 Latest Tariff Analysis | Professional Entry Strategy
📌 I. Product Definition & Classification: What Exactly is a "Molding Sand Binder"?
Molding Sand Binders are critical chemical agents used in the metal casting industry to bond sand grains together, forming strong molds and cores for molten metal. They determine the strength, permeability, and surface finish of the cast part.
In international trade, these binders are classified based on their chemical composition (inorganic vs. organic/polymeric) and their specific application (metalworking auxiliary vs. general chemical product). Misclassification is the most common cause of customs delays and penalties for this product.
⚠️ Key Distinction Point:
- If the binder is based on inorganic salts, clays, or minerals → It falls under Chapter 38 (Miscellaneous Chemical Products) or Chapter 39 (Plastics) depending on the exact formulation.
- If it is a polymeric/organic binder (e.g., resin-based) → It may fall under Chapter 39 (Plastics/Resins) or Chapter 38 (Prepared binders).
- Critical Rule: The description in the data provided highlights that for Dual-Metal casting, the specific chemical nature determines whether it is a "Chemical Preparation" (3810/3824) or a "Plastic Resin" (3914).
📦 II. HS Code Classification Details (Based on Provided Data)
The following HS Codes are derived from the specific characteristics of "Dual-Metal Molding Sand Binders" as per the provided dataset. Each code reflects a different chemical interpretation or regulatory categorization.
| HS Code | Product Description & Rationale | Total Tax Rate | Tax Detail Breakdown |
|---|---|---|---|
| 3810.90.50.00 | Chemical Preparation for Metal Processing: Classified as a chemical preparation specifically for auxiliary metalworking uses. Matches the chemical preparation category and metal component characteristics. | 40.0% | Base Duty: 5.0% Add. Duty: 25.0% Section 301 (122 Clause): 10% |
| 3810.90.20.00 | Inorganic Metal Casting Auxiliary: Classified as a metal casting auxiliary agent, complying with inorganic material requirements. Focuses on the inorganic nature of the binder. | 35.0% | Base Duty: 0.0% Add. Duty: 25.0% Section 301 (122 Clause): 10% |
| 3914.00.60.00 | Polymeric Binder: Inferred as a polymer-based substance based on the chemical properties of binders. Treats the binder as a plastic/resin material. | 38.9% | Base Duty: 3.9% Add. Duty: 25.0% Section 301 (122 Clause): 10% |
| 3824.10.00.00 | Prepared Binders/Adhesives: Classified as a prepared binder or adhesive consistent with its bonding function. Matches the "mold or core prepared binder" scenario in casting. | 41.0% | Base Duty: 6.0% Add. Duty: 25.0% Section 301 (122 Clause): 10% |
| 3824.99.93.97 | Other Prepared Chemical Products: Classified as an unlisted chemical product/preparation. Fits the characteristic of a "prepared binder for molds or cores" not explicitly named elsewhere. | 40.0% | Base Duty: 5.0% Add. Duty: 25.0% Section 301 (122 Clause): 10% |
🔍 Focus Reminder:
- 3810.90.20.00 offers the lowest total tax (35%) if the product can be legally proven to be an inorganic casting auxiliary.
- 3824.10.00.00 has the highest total tax (41%) but covers general "prepared binders."
- 3914.00.60.00 is risky; if customs determines it’s not a "plastic" but a "chemical preparation," it may be reclassified to Chapter 38, leading to penalties.
- All codes include Section 301 tariffs (122 Clause) for Chinese origin goods, which add a flat 10% on top of the base and Section 301 25% duties.
💰 III. 2026 Latest Tariff Rate Breakdown (Including Surcharges)
✅ Applicable Country: USA
✅ Origin: China (CN)
✅ Effective Date: Post-November 2025 (Current Trade War Context)
🎯 1. 3810.90.20.00 —— Inorganic Metal Casting Auxiliary (Lowest Rate)
| Item | Content |
|---|---|
| Base Duty | 0% |
| USITC Add. Duty | +25% (Standard Section 301) |
| IEEPA Add. Duty | +10% (Section 122 Clause / China-specific) |
| Total Rate | 35.0% |
| Calculation | CIF Value × 35% |
| De Minimis Exemption | ❌ Not Eligible (Denied due to Section 301) |
| Legal Path | USITC:3810.90.20.00 → FOOTNOTE:301 → IEEPA:122 |
📌 Explanation:
- The 0% base duty makes this the most attractive option if the product is strictly inorganic.
- The 25% + 10% surcharges are mandatory for Chinese-origin goods under current trade policies.
- Risk: If the product contains organic polymers, customs may reject this code and reassess at 40-41%.
🎯 2. 3810.90.50.00 & 3824.99.93.97 —— Chemical Preparations (40% Rate)
| Item | Content |
|---|---|
| Base Duty | 5.0% |
| USITC Add. Duty | +25% |
| IEEPA Add. Duty | +10% |
| Total Rate | 40.0% |
| Calculation | CIF Value × 40% |
| De Minimis Exemption | ❌ Not Eligible |
| Legal Path | USITC:3810/3824 → FOOTNOTE:301 → IEEPA:122 |
📌 Note:
- These codes are "safer" if the chemical composition is mixed or unclear.
- They represent the standard classification for "miscellaneous chemical preparations."
🎯 3. 3914.00.60.00 —— Polymer/Plastic Based (38.9% Rate)
| Item | Content |
|---|---|
| Base Duty | 3.9% |
| USITC Add. Duty | +25% |
| IEEPA Add. Duty | +10% |
| Total Rate | 38.9% |
| Calculation | CIF Value × 38.9% |
| De Minimis Exemption | ❌ Not Eligible |
| Legal Path | USITC:3914.00.60.00 → FOOTNOTE:301 → IEEPA:122 |
📌 Caution:
- Only use if the binder is predominantly polymeric (e.g., furan, phenolic resins).
- If misclassified, the penalty for using a Chapter 39 code for a Chapter 38 product can be severe.
🎯 4. 3824.10.00.00 —— Prepared Binders (Highest Rate)
| Item | Content |
|---|---|
| Base Duty | 6.0% |
| USITC Add. Duty | +25% |
| IEEPA Add. Duty | +10% |
| Total Rate | 41.0% |
| Calculation | CIF Value × 41.0% |
| De Minimis Exemption | ❌ Not Eligible |
| Legal Path | USITC:3824.10.00.00 → FOOTNOTE:301 → IEEPA:122 |
📌 Warning:
- This is the most expensive option.
- Use only if the product is a "prepared binder" that doesn’t fit the specific "inorganic" or "polymer" exclusions.
🛠️ IV. Customs Clearance Practical Advice (Pitfall Avoidance Guide)
✅ 1. Documentation Checklist (Mandatory)
| Document | Required | Description |
|---|---|---|
| ✅ Safety Data Sheet (SDS) | ✔️ | Critical. Must specify chemical composition (Organic vs. Inorganic). |
| ✅ Product Specification | ✔️ | Detailed formula, viscosity, curing time, and application method. |
| ✅ Material Safety Data | ✔️ | HazClass classification (if any). Binding agents may be non-hazardous or flammable. |
| ✅ Commercial Invoice | ✔️ | Clearly state "Molding Sand Binder for Metal Casting" and exact HS Code. |
| ✅ Certificate of Origin | ✔️ | For Section 301 duty verification. |
| ✅ Technical Data Sheet | ✔️ | Proof of chemical nature (e.g., % of clay, % of resin). |
✅ 2. Declaration Strategy (Key Mantra)
🔥 "Chemical Nature Determines Code, Inorganic Saves Money, Polymer Needs Proof!"
| Scenario | Correct Declaration | Incorrect Action |
|---|---|---|
| Inorganic Binder (Clay, Silicate) | 3810.90.20.00 (35%) |
Declaring as 3810.90.50.00 → Overpay by 5% |
| Organic/Resin Binder | 3914.00.60.00 or 3810.90.50.00 |
Declaring as 3810.90.20.00 → Audit & Penalty Risk |
| Mixed/Unspecified Binder | 3824.10.00.00 or 3824.99.93.97 |
Vague description → Customs Delay |
| Bonds for Plastic Molding | Wrong Product | Do not use casting codes for plastic molding binders |
✅ 3. Special Handling Cases
| Case | Recommendation |
|---|---|
| Dual-Metal Application | Provide proof that it is used for metal casting (not plastic or ceramic) to justify Chapter 38. |
| Liquid vs. Powder | Both can be classified under the above HS codes. SDS must match the physical state. |
| Pre-Mixed Sand | If the sand is already pre-coated, it may be classified differently. Ensure the binder is the primary function. |
| OEM/Private Label | Provide brand authorization to avoid IP issues, though less common for industrial chemicals. |
🌍 V. Global Market Comparison (2026)
| Country/Region | Recommended HS Code | Tariff Rate | Certification | Notes |
|---|---|---|---|---|
| 🇺🇸 USA | 3810.90.20.00 |
35% (Lowest) | None Specific | Highest risk of audit; ensure inorganic proof. |
| 🇨🇳 China | 3810.90.20.00 |
5-10% | None | Lower base duty; no Section 301. |
| 🇪🇺 EU | 3810.00 |
0-6.5% | REACH Registration | REACH compliance is mandatory. |
| 🇬🇧 UK | 3810.00 |
0-6.5% | UK REACH | Post-Brexit rules apply. |
| 🇯🇵 Japan | 3810.00 |
0-3.8% | None | Low duty but strict safety docs. |
📌 Conclusion:
- USA has the highest effective tariff due to Section 301.
- Inorganic classification (3810.90.20.00) is the most cost-effective for US imports but requires rigorous chemical proof.
- EU/UK require REACH registration, which is a significant barrier to entry for new products.
📌 VI. Common Mistakes & Pitfalls (Lessons Learned)
❌ Mistake 1: Declaring all binders as 3810.90.20.00 to save money.
👉 Consequence: If customs lab tests reveal organic polymers, you face retroactive duties + penalties (up to 25% of value).
❌ Mistake 2: Ignoring SDS Chemical Composition.
👉 Consequence: Customs may classify as 3824.99.93.97 (40%) or higher if the nature is unclear.
❌ Mistake 3: Confusing "Molding Sand" with "Binder."
👉 Consequence: Sand is Chapter 25; Binder is Chapter 38. Do not mix in one line item unless declaring as a kit.
❌ Mistake 4: Missing Section 301 Declaration.
👉 Consequence: Even with a low base duty, forgetting to account for the 10% (122 Clause) and 25% (Section 301) leads to underpayment.
✅ Correct Practice:
"Dual-Metal Molding Sand Binder, Inorganic Silicate Based, Liquid Form, for Metal Casting, SDS Provided, HS Code 3810.90.20.00"
🎯 VII. Conclusion: Precise Classification, Cost Optimization!
🎯 Remember the Mantra:
🔹 "Inorganic is Cheaper, Organic is Riskier, SDS is King!"
🔹 "35% vs 41% – That’s a 6% Savings per Dollar!"
📌 Pro Tip:
If your binder is organic/resin-based, consider 3914.00.60.00 (38.9%) but be prepared for potential reclassification to Chapter 38 if it’s not strictly a "plastic resin."
Always apply for a Binding Tariff Information (BTI) or Advance Ruling if the chemical composition is complex.
📣 Immediate Action:
📞 Consult a Customs Broker + Provide SDS + Verify Chemical Composition
🚀 Ensure compliance, avoid delays, and maximize profit margins!
✨ Professional Clearance Starts with Accurate Classification!
💼 Every Percentage Point Counts in Trade War Era!
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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。