Frozen Tube Box
CN → US| HS编码 | 关税税率 | 原产国 | 目的国 | 文档 |
|---|---|---|---|---|
| 3926909989 | 22.8% | CN | US | 官方文档 |
| 3926909910 | 22.8% | CN | US | 官方文档 |
| 3923102000 | 35.0% | CN | US | 官方文档 |
| 3923109000 | 38.0% | CN | US | 官方文档 |
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AI分析
❄️ Frozen Tube Boxes: The Ultimate Guide to HS Codes, Tariffs & Clearance Strategies (2026)
🌐 HS Code Reference & Customs Clearance Guide | 2026 Latest Tariff Analysis | Professional-Level Compliance Strategy
📌 1. Product Definition & Classification: What Exactly is a "Frozen Tube Box"?
Frozen tube boxes are critical laboratory consumables used for the storage, transport, and preservation of biological samples (blood, DNA, tissues) at ultra-low temperatures (-80°C or in liquid nitrogen). In international trade, they are primarily classified based on their material composition and primary function:
Type A: Laboratory Equipment/Containers Plastic boxes designed specifically to hold cryogenic tubes (Cryovials). They are often part of a larger laboratory apparatus or are considered "other articles of plastic." * Key Feature: Designed for laboratory use, not general logistics packaging.
Type B: Packaging Articles Plastic boxes used to transport or protect goods (the tube boxes themselves) during shipping, or simple plastic containers that fall under general packaging definitions. * Key Feature: Functional as a packaging unit for transport or general storage.
⚠️ Critical Distinction Point: - If the box is a specialized laboratory container (rigid, specific dimensions for rack systems) → Look at Chapter 39 Headings 3926 or 3923. - If the box is a general plastic packaging item (e.g., a shipping carton or simple storage bin) → Look at Chapter 39 Heading 3923. - Misclassification Risk: Declaring a specialized lab rack as "general packaging" may trigger higher duties due to different tariff lines (e.g., 3923 vs. 3926).
📦 2. HS Code Classification Details (2026 Latest Tariff Authority Comparison)
Based on the provided data for "Plastic Frozen Tube Boxes," here are the precise classifications:
| HS Code | Product Description | Application Scenario | Key Classification Logic |
|---|---|---|---|
3926.90.99.89 |
Other plastic articles (Lab Grade) | Specialized frozen tube racks/boxes | Other plastic articles: Not specified elsewhere, considered "other plastic goods." |
3926.90.99.10 |
Other plastic articles (Lab Grade) | General plastic frozen tube boxes | Other plastic articles: Fallback for plastics not in specific headings (3926 includes "other articles"). |
3923.10.20.00 |
Plastic Packaging (Specific) | Plastic boxes used for packaging | Plastic articles for packaging: Fits definition of "packaging articles." |
3923.10.90.00 |
Plastic Packaging (General) | Plastic boxes for transport/packing | Other plastic packing articles: General transport packaging. |
🔍 Key Reminder: - Headings 3926 vs. 3923: - 3926: "Other articles of plastic" (often includes lab equipment, office supplies, etc.). - 3923: "Articles for the conveyance or packing of goods" (strictly packaging). - Why it matters: The tariff rates differ significantly based on whether the customs authority views your product as a laboratory good (3926) or a packaging material (3923).
💰 3. 2026 Latest Tariff Rate Breakdown (Including Surcharges & Policy Add-ons)
✅ Applicable Country: United States (US) ✅ Origin: China (CN) ✅ Effective Time: Post-November 2025 (Current 2026 Framework)
🎯 1. 3926.90.99.89 & 3926.90.99.10 — Other Plastic Articles (Lab/General)
These two codes share the same tariff structure in the provided data. They are treated as "Other plastic articles."
| Item | Content |
|---|---|
| Base Tariff | 5.3% |
| Section 301 Surcharge | 7.5% |
| Section 122 Tariff | 10% |
| Total Effective Rate | 22.8% |
| Tax Calculation | CIF Value × 22.8% |
| De Minimis Eligibility | ❌ No (Subject to strict scrutiny) |
| Legal Basis Path | Base: 3926.90.99 → Section 301: 7.5% → Section 122: 10% |
📌 Explanation: - Base (5.3%): Standard Most Favored Nation (MFN) rate for other plastic articles. - Section 301 (7.5%): Additional duty on Chinese imports. - Section 122 (10%): Specific additional tariff applied to certain plastic goods from China. - Total 22.8%: This is the combined landed duty cost.
🎯 2. 3923.10.20.00 — Plastic Packaging (Specific)
If the tube box is classified as a packaging article rather than a lab item, the tariff structure changes.
| Item | Content |
|---|---|
| Base Tariff | 0.0% |
| Section 301 Surcharge | 25.0% |
| Section 122 Tariff | 10% |
| Total Effective Rate | 35.0% |
| Tax Calculation | CIF Value × 35.0% |
| De Minimis Eligibility | ❌ No |
| Legal Basis Path | Base: 3923.10.20 → Section 301: 25% → Section 122: 10% |
📌 Warning: - Although the base rate is 0%, the Section 301 surcharge jumps to 25% for this specific packaging subheading. - Total 35.0% is 12.2 percentage points higher than the 3926 classification!
🎯 3. 3923.10.90.00 — Plastic Packaging (General/Other)
For other plastic packing articles not specified in 3923.10.20.
| Item | Content |
|---|---|
| Base Tariff | 3.0% |
| Section 301 Surcharge | 25.0% |
| Section 122 Tariff | 10% |
| Total Effective Rate | 38.0% |
| Tax Calculation | CIF Value × 38.0% |
| De Minimis Eligibility | ❌ No |
| Legal Basis Path | Base: 3923.10.90 → Section 301: 25% → Section 122: 10% |
📌 Note: - This is the highest tariff category (38.0%). - Even though it has a low base rate (3%), the 25% Section 301 penalty applies strictly here.
🛠️ 4. Customs Clearance Practical Advice (Battle-Tested Pitfall Avoidance Guide)
✅ 1. Documentation Checklist (Non-Negotiable)
| Document | Required? | Explanation |
|---|---|---|
| ✅ Product Specification Sheet | ✔️ | Must detail material (e.g., Polypropylene PP, Polystyrene PS), dimensions, and temperature resistance range. |
| ✅ Product Photos | ✔️ | Clear images showing the box structure, labels, and intended use (holding cryovials). |
| ✅ Commercial Invoice | ✔️ | Must clearly state "Plastic Frozen Tube Box" or "Laboratory Storage Container." |
| ✅ Packing List | ✔️ | Itemize quantities and weights. |
| ✅ Material Safety Data Sheet (MSDS) | ✔️ | Proves material composition (crucial for HS Code verification). |
| ✅ Certificate of Origin (CO) | ✔️ | Required to calculate correct Section 301 and 122 duties. |
✅ 2. Declaration Strategy (Key Mnemonic)
🔥 “Lab Use = 3926 (22.8%), Pack Use = 3923 (35-38%)! Choose Wisely!”
| Scenario | Correct HS Code | Incorrect Action | Consequence |
|---|---|---|---|
| Specialized Lab Rack/Box | 3926.90.99.89 or .10 |
Declare as "Plastic Packaging" (3923) |
Overpayment: 38% vs 22.8% (15.2% difference!) |
| Shipping Box for Tubes | 3923.10.90.00 |
Declare as "Lab Equipment" (3926) |
Misclassification Risk: Customs may audit for fraud. |
| Generic Storage Bin | 3923.10.20.00 or .90 |
Use 3926 |
Audit Flag: If no lab connection, 3926 may be rejected. |
📌 Pro Tip: - If the product is sold directly to laboratories for sample storage, 3926 is the stronger argument. - If the product is a shipping container or general storage for non-lab use, 3923 is appropriate. - Documentation is Key: Provide product descriptions that emphasize "laboratory use," "cryogenic compatibility," and "sample storage" to support 3926.
✅ 3. Special Circumstances Handling
| Situation | Handling Advice |
|---|---|
| OEM Custom Boxes | Provide customer drawings and specifications. Clearly label as "Custom Laboratory Storage." |
| Mixed Shipments (Tubes + Boxes) | Declare separately. Tubes (if different HS) and Boxes should not be lumped into one line unless they are sold as a set. |
| Small Samples (< $800) | De Minimis Exemption DOES NOT APPLY for Section 301/122 duties on Chinese goods. Expect full duty assessment. |
| Transshipment via Third Country | High risk of "Origin Change" disputes. Ensure proper CO documentation to avoid anti-circumvention penalties. |
🌍 5. Global Market Comparison (2026 Latest)
| Country/Region | Recommended HS Code | Estimated Duty (China Origin) | Certification Requirements | Notes |
|---|---|---|---|---|
| 🇺🇸 USA | 3926.90.99.89 |
22.8% (Best Option) | No specific lab cert required for import | Avoid 3923 (35-38%) if possible. |
| 🇨🇳 China | 3926 or 3923 |
5-10% | GB Standards | Lower base duties, no Section 301. |
| 🇪🇺 EU | 3926 |
6.5% | REACH Compliance | No equivalent to Section 122. |
| 🇬🇧 UK | 3926 |
6.5% | UKCA Marking (if applicable) | Post-Brexit tariffs similar to EU. |
| 🇨🇦 Canada | 3926 |
6.5% | CFIA (if food/med related) | NAFTA/USMCA may apply if US-made. |
📌 Conclusion: - The USA is the most expensive market for Chinese plastic lab consumables due to Section 301 and Section 122. - Strategic Choice: Classifying as 3926 (Other Plastic Articles) saves 12.2–15.2% in duties compared to 3923 (Packaging).
📌 6. Common Errors & Pitfall Guide (Blood-Teachings)
❌ Error 1: Declaring "Plastic Frozen Tube Box" as 3923 (Packaging) when it is a Lab Item.
👉 Result: Pay 35-38% instead of 22.8%. Wasted Money.
❌ Error 2: Using vague descriptions like "Plastic Box."
👉 Result: Customs officer arbitrarily assigns 3923.10.90.00 (38%) due to lack of specificity.
❌ Error 3: Assuming De Minimis ($800) exempts Section 301/122 taxes. 👉 Result: Full duties applied. Section 301 and 122 taxes are not exempt under Section 321 (De Minimis).
❌ Error 4: Mixing "Lab Tubes" (Glass/Plastic) with "Box" in one HS Code. 👉 Result: Audit delay. Declare separately based on material and function.
✅ Correct Practice:
"Laboratory Plastic Frozen Tube Storage Box, Polypropylene, Cryogenic Compatible, Model XYZ, for Use in Biomedical Research."
🎯 7. Conclusion: Smart Classification Saves 15% in Duties!
🎯 Remember the Mnemonic:
🔹 "Lab Box = 3926 (22.8%), Pack Box = 3923 (35%+)" 🔹 "Don't let 'Packaging' define your Lab Gear. 15% savings is huge!" 🔹 "Detail is King: Specify 'Laboratory Use' in descriptions."
📌 Pro Tip:
If your product is not originally from China, you may avoid Section 301 and 122 tariffs. Action: Apply for Advance Ruling from US Customs and Border Protection (CBP) to secure the 3926 classification before shipping.
📣 Immediate Action:
📞 Contact your freight forwarder + Provide Product Specs + Request HS Code Pre-Ruling 🚀 Clear Customs Smoothly, Reduce Costs, Boost Margins!
✨ Professional Clearance Starts with Precise Classification! 💼 Every Percent Saved is Pure Profit!
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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
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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。