Fat based binder for casting
CN → US| HS编码 | 关税税率 | 原产国 | 目的国 | 文档 |
|---|---|---|---|---|
| 3910000000 | 38.0% | CN | US | 官方文档 |
| 3824100000 | 41.0% | CN | US | 官方文档 |
| 3907290000 | 41.5% | CN | US | 官方文档 |
| 3907915000 | 41.5% | CN | US | 官方文档 |
| 3824994900 | 41.5% | CN | US | 官方文档 |
商品图片
AI分析
🏭 Fat-Based Binder for Casting (Foundry Applications)
🌐 HS Code Reference & Customs Clearance Guide | 2026 Latest Tariff Analysis | Professional Clearance Strategy
📌 I. Product Definition & Classification: Do You Truly Understand "Fat-Based Casting Binders"?
A fat-based binder is a crucial chemical additive used in the foundry industry. It acts as a binding agent that holds sand grains together to form molds or cores for metal casting. These binders are typically derived from organic sources (such as animal fats, vegetable oils, or petrochemical derivatives like shale oil) and undergo processing to enhance their bonding properties.
In international trade, the classification depends heavily on: 1. Chemical Composition: Is it a simple mixture, a modified resin, or a primary chemical form? 2. Specific Use: Explicitly stated as "for casting molds or cores." 3. Base Material: Whether it is silicone-based, epoxy/polymer-based, or hydrocarbon-based (shale oil/petroleum).
⚠️ Key Distinction Points: - If the binder is primarily a silicone resin in primary forms → 3910.00.00.00 - If the binder is a pre-mixed/modulated adhesive with specific casting functionality → 3824.10.00.00 - If the binder is based on specific polymers (e.g., polyethers or unsaturated polyesters) → 3907.29.00.00 or 3907.91.50.00 - If the binder is explicitly shale-oil based (hydrocarbon mixture) → 3824.99.49.00
📦 II. HS Code Classification Details (2026 Latest Tariff Authority Comparison)
Based on the provided data, here are the potential HS Code matches and their rationales:
| HS Code | Product Description | Matching Rationale | Total Tax Rate |
|---|---|---|---|
3910.00.00.00 |
Silicone resins in primary forms | Chemical Attribute: Inferred as organic/silicone-based primary form. Form: Matches "Primary forms." Conflict: None. | 38.0% |
3824.10.00.00 |
Modulated adhesives for casting | Function Match: "Binder" aligns with "modulated adhesive." Material: Shale-oil base fits chemical原料 nature. Use: Specifically for casting molds/cores. | 41.0% |
3907.29.00.00 |
Other polyethers (including polyacetal, other polyethers) | Material Match: Binders often fall under chemicals/resins, fitting "other polyethers." Form: Chemical raw material/primary product, consistent with category attributes. | 41.5% |
3907.91.50.00 |
Other unsaturated polyesters | Core Material Inference: Binders are usually polymer/resin-based, fitting "unsaturated polyester" material characteristics. Conflict: None apparent in form or use. | 41.5% |
3824.99.49.00 |
Other prepared binding preparations for metal or mineral casting | Material Match: Explicitly contains "shale oil-based," fully meeting the category's material requirement ("hydrocarbon mixtures derived from petroleum/shale oil/gas"). Use: Casting binder highly consistent with "prepared binding agents for casting molds/cores." | 41.5% |
🔍 Key Reminder: - Shale Oil-Based: If your product is explicitly derived from shale oil, 3824.99.49.00 is the most precise match for "prepared binding preparations." - Silicone-Based: If the binder is silicone-resin based in primary form, 3910.00.00.00 applies with a lower tax rate (38%). - Polymer-Based: If it is a specific resin (polyether/polyester), classify under Chapter 39 (3907 series).
💰 III. 2026 Latest Tariff Rate Breakdown (Including Surcharge & Policy Additions)
✅ Applicable Country: United States (US)
✅ Country of Origin: China (CN)
✅ Effective Date: November 10, 2025 (and subsequent imports)
🎯 1. 3910.00.00.00 —— Silicone Resins in Primary Forms
| Item | Details |
|---|---|
| Base Tariff | 3.0% |
| USITC Surcharge (Section 301) | +25.0% |
| IEEPA Surcharge (122 Clause) | +10.0% |
| Total Tax Rate | 38.0% |
| Tax Calculation | CIF Value × 38.0% |
| De Minimis Exemption | ❌ Not Eligible (deny_de_minimis) |
| Legal Basis Path | USITC:3910.00.00.00 → USITC:Footnote 9903.88.01 (Section 301) → IEEPA:9903.01.24 (122 Clause) |
📌 Explanation: - This code has the lowest total tax rate (38%) among the options. - Applicable only if the binder is strictly a silicone resin in primary form.
🎯 2. 3824.10.00.00 —— Modulated Adhesives (Casting Specific)
| Item | Details |
|---|---|
| Base Tariff | 6.0% |
| USITC Surcharge (Section 301) | +25.0% |
| IEEPA Surcharge (122 Clause) | +10.0% |
| Total Tax Rate | 41.0% |
| Tax Calculation | CIF Value × 41.0% |
| De Minimis Exemption | ❌ Not Eligible (deny_de_minimis) |
| Legal Basis Path | USITC:3824.10.00.00 → USITC:Footnote 9903.88.01 → IEEPA:9903.01.24 |
📌 Explanation: - Best fit if the product is a pre-mixed, modulated adhesive specifically for casting. - Higher base tariff (6%) compared to silicone resins.
🎯 3. 3907.29.00.00 & 3907.91.50.00 —— Polyethers & Unsaturated Polyesters
| Item | Details |
|---|---|
| Base Tariff | 6.5% |
| USITC Surcharge (Section 301) | +25.0% |
| IEEPA Surcharge (122 Clause) | +10.0% |
| Total Tax Rate | 41.5% |
| Tax Calculation | CIF Value × 41.5% |
| De Minimis Exemption | ❌ Not Eligible (deny_de_minimis) |
| Legal Basis Path | USITC:3907.xx.xx.xx → USITC:Footnote 9903.88.01 → IEEPA:9903.01.24 |
📌 Explanation: - Applicable if the binder is chemically defined as a specific polymer (polyether or polyester). - Highest base tariff (6.5%) among the listed options.
🎯 4. 3824.99.49.00 —— Other Prepared Binding Preparations for Casting (Shale Oil Based)
| Item | Details |
|---|---|
| Base Tariff | 6.5% |
| USITC Surcharge (Section 301) | +25.0% |
| IEEPA Surcharge (122 Clause) | +10.0% |
| Total Tax Rate | 41.5% |
| Tax Calculation | CIF Value × 41.5% |
| De Minimis Exemption | ❌ Not Eligible (deny_de_minimis) |
| Legal Basis Path | USITC:3824.99.49.00 → USITC:Footnote 9903.88.01 → IEEPA:9903.01.24 |
📌 Explanation: - Most accurate for "Shale Oil Based" binders. - Category explicitly includes "hydrocarbon mixtures derived from petroleum/shale oil." - High specificity reduces customs classification risk.
🛠️ IV. Customs Clearance Practical Advice (Avoid Pitfalls)
✅ 1. Required Documentation Checklist
| Document | Mandatory? | Description |
|---|---|---|
| ✅ Product Specification Sheet | ✔️ | Must detail chemical composition (e.g., % shale oil, silicone content), viscosity, curing time. |
| ✅ MSDS/SDS (Safety Data Sheet) | ✔️ | Critical for chemical imports; verifies hazardous nature and composition. |
| ✅ Certificate of Origin (CO) | ✔️ | Required for determining origin-based tariffs. |
| ✅ Commercial Invoice | ✔️ | Must clearly state "Fat-Based Binder for Casting Molds/Cores" and HS Code. |
| ✅ Packing List | ✔️ | Details net/gross weight, number of packages. |
| ✅ Third-Party Test Report | ✔️ | Optional but recommended to prove chemical identity (e.g., GC-MS analysis for shale oil content). |
✅ 2. Declaration Strategy (Key Mnemonic)
🔥 "Specify Material, Declare Use, Shale Oil Gets Special Code, Silicone Gets Lower Tax!"
| Scenario | Recommended HS Code | Risk if Misdeclared |
|---|---|---|
| Shale Oil-Based Binder | 3824.99.49.00 |
Misdeclaring as general adhesive → Potential duty evasion penalties. |
| Silicone Resin Binder | 3910.00.00.00 |
Misdeclaring as chemical mixture → Higher tax (41.5%) vs correct (38%). |
| Generic Polymer Binder | 3824.10.00.00 or 3907.xx |
Ambiguous description → Customs examination delay, possible reclassification. |
| Simple Animal/Plant Fat | Check other chapters | If not chemically modified, may fall under Chapter 15 (Fats), but "binder" implies processing. |
✅ 3. Special Situations
| Situation | Handling Advice |
|---|---|
| OEM Custom Binder | Provide customer purchase order + technical data sheet to prove specific casting use. |
| Mixed Shipments | Declare each HS Code separately. Do not lump different chemical types under one code to avoid audit flags. |
| Shale Oil Content Verification | If claiming 3824.99.49.00, be prepared to provide proof of shale oil origin if questioned by customs. |
| Silicone Verification | For 3910.00.00.00, ensure it is in "primary form" (not yet mixed with other curing agents beyond standard packaging). |
🌍 V. Global Market Clearance Comparison (2026 Latest)
| Country/Region | Recommended HS Code | Tariff Rate (China Origin) | Certification Requirements | Notes |
|---|---|---|---|---|
| 🇺🇸 USA | 3824.99.49.00 (Shale) / 3910.00.00.00 (Silicone) |
41.5% (Shale) / 38.0% (Silicone) | None specific for binder | High surcharges apply. |
| 🇨🇳 China | 3824.10.00.00 / 3910.00.00.00 |
~6-13% | None | No additional surcharges. |
| 🇪🇺 EU | 3824.99 / 3910 |
0-6.5% | REACH Registration | REACH compliance is mandatory for chemicals. |
| 🇯🇵 Japan | 3824.99 / 3910 |
0-6.0% | JIS Standards | Check specific foundry standards. |
📌 Conclusion: - USA is the most expensive market due to Section 301 and IEEPA surcharges. - Silicone-based binders (
3910.00.00.00) offer the best tax advantage (38%) in the US compared to shale/polymer-based (41-41.5%). - Ensure chemical identity documentation is robust to avoid disputes over the correct subheading.
📌 VI. Common Mistakes & Pitfalls (Blood & Tears Lessons)
❌ Mistake 1: Declaring "Binder" as a general "Chemical Adhesive" without specifying "Casting Use"
👉 Consequence: Customs may classify it under a higher-duty or restricted category. Always specify "For Casting Molds/Cores."
❌ Mistake 2: Ignoring the "Shale Oil" vs. "Silicone" distinction
👉 Consequence: Wrong HS Code → 3.5% tax difference per shipment + potential penalties for misdeclaration.
❌ Mistake 3: Failing to provide SDS for chemical imports
👉 Consequence: Shipment hold at US port until documentation is provided. Delays can cost thousands in demurrage.
❌ Mistake 4: Assuming all fat-based binders are the same
👉 Consequence: If the binder is chemically modified (e.g., polyether vs. simple oil), the classification changes. Chemical analysis is key.
✅ Correct Practice:
"Shale Oil-Based Modulated Adhesive for Casting Molds, 20kg Drum, SDS Available, HS Code: 3824.99.49.00"
🎯 VII. Conclusion: Precise Declaration, Cost Control, Efficient Clearance!
🎯 Remember the Mnemonic:
🔹 "Silicone is King (38%), Shale is Specific (41.5%), Castings Need Proof!"
🔹 "HS Code Determines Duty, 3.5% Savings Matters, Declaration Precision Saves Time!"
📌 Pro Tip:
If your binder can be legally classified as Silicone Resin in Primary Form (3910.00.00.00), pursue this classification to save 3.5% on tariffs compared to shale/polymer-based codes. Ensure your product formulation and technical data support this classification.
📣 Immediate Action:
📞 Consult with a customs broker + Provide Product Specs + Obtain Advance Ruling if volume is high.
🚀 Ensure your MSDS and Technical Data Sheets clearly state the chemical nature to support your chosen HS Code.
✨ Professional clearance starts with accurate classification!
💼 Every percentage point counts in global trade!
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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。