未涂布纸板支撑

📦 Uncoated Paperboard Supports (未涂布纸板支撑件)

🌐 HS Code Reference & Customs Clearance Guide | 2026 Latest Tariff Analysis | Professional Customs Strategy
📌 I. Product Definition & Classification: Do You Really Understand "Uncoated Paperboard Supports"?

Uncoated paperboard supports are essential packaging, display, or structural components made primarily from paperboard or cardboard materials. In international trade, these items are categorized based on their material composition, form, and specific use. They are often used as:

Structural Supports (Paperboard/Board-based): Flat or formed pieces used to hold, separate, or stabilize products within packaging;
Paper-based Components: Lightweight, flexible, or rigid pieces used in displays, dividers, or inserts.

⚠️ Key Distinction:
- If the support is made of paperboard and serves as a component/part → Classified under 4817.30.00.00 or 4817.20.40.00;
- If it is a finished product made from pulp/cellulose with no specific industrial function → Classified under 4823.90.10.00;
- If it is a lightweight paper item (e.g., label-like support) → Classified under 4821.90.20.00;
- If it is decorative/coated paperboard → Classified under 4811.51.20.20.

📦 II. HS Code Classification Details (2026 Latest Tariff Authoritative Comparison)

🔍 Key Reminder:
- Supports made of paperboard with structural function → 4817.30.00.00 / 4817.20.40.00;
- Uncoated means no surface treatment (no lacquer, no wax, no plastic coating);
- If the product is decorative or coated, it shifts to 4811.51.20.20;
- All listed HS codes under this category carry identical tariff structures due to US-China trade policies.

💰 III. 2026 Latest Tariff Rate Details (Including Surcharges & Policy Add-ons)

✅ Applicable Country: United States (US)
✅ Origin: China (CN)
✅ Effective Date: November 10, 2025 (for all subsequent imports)

🎯 1. 4817.30.00.00 – Uncoated Paperboard Supports (Paperboard Material)

📌 Explanation:
- The 25% USITC surcharge is imposed under Section 301 of the US Trade Act;
- The 10% IEEPA surcharge is under the International Emergency Economic Powers Act for Chinese-origin goods;
- Total 35% is considered high tariff, requiring advance planning!

🎯 2. 4817.20.40.00 – Uncoated Paperboard Supports (Paper/Board Material)

📌 Note:
- Same tariff structure as above;
- Applies to paper-based supports with no specific industrial function;
- Even if used in packaging or displays, if it lacks structural rigidity, it may fall here.

🎯 3. 4823.90.10.00 – Uncoated Paperboard Supports (Pulp/Cellulose Material)

📌 Note:
- Applies to generic paper products made from pulp;
- No specific function or branding;
- Often used as disposable supports or dividers.

🎯 4. 4821.90.20.00 – Lightweight Paper Supports

📌 Note:
- Applies to thin, lightweight paper items;
- Often used as labels, tags, or flat supports;
- Must not have structural rigidity.

🎯 5. 4811.51.20.20 – Coated Paperboard

📌 Note:
- Applies if the paperboard has coating, lacquer, or plastic film;
- Even if used as a support, coating changes classification;
- Must provide material composition proof to avoid misclassification.

🛠️ IV. Customs Clearance Practical Advice (Battle-Proven Pitfall Avoidance Guide)

✅ 1. Required Documentation Checklist (All Mandatory)

✅ 2. Declaration Tips (Key Mnemonic)

🔥 “Uncoated = Paperboard, Coated = 4811, Structure = 4817, Generic = 4823, Thin = 4821, Tax = 35% Flat!”

✅ 3. Special Case Handling

🌍 V. Global Major Market Customs Comparison (2026 Latest)

📌 Conclusion:
- USA is the only market imposing high surcharges on paperboard supports from China;
- Chinese-origin supports face 35% total tariff in the US;
- Consider non-US production hubs (Vietnam, Mexico, Thailand) for IEEPA exemption eligibility.

📌 VI. Common Errors & Pitfall Avoidance (Blood-Tear Lessons)

❌ Error 1: Declaring coated paperboard as uncoated
👉 Consequence: Classification error → Potential 35% vs. 0% base, but same surcharge, so no tax benefit, but audit risk!

❌ Error 2: Splitting packaging unit into "support + box + label"
👉 Consequence: Each item taxed separately → Total tax could exceed 100%!

❌ Error 3: Using vague terms like "paper product"
👉 Consequence: Customs cannot determine classification → Delay or return!

❌ Error 4: Ignoring material composition
👉 Consequence: If support has plastic coating, it should be 4811.51.20.20, not 4817.30.00.00 → Misdeclaration penalty!

✅ Correct Practice:

“Uncoated Paperboard Support, 10x10 cm, Brown Board, No Coating, for Packaging Use, Model XYZ, US-China Origin”

🎯 VII. Conclusion: Precise Declaration Saves Time, Money, and Stress!

🎯 Remember the Mnemonic:

🔹 “Uncoated = 4817, Coated = 4811, Tax = 35%, No De Minimis, Split = Disaster!”
🔹 “HS Code determines fate, 35% is high, declaration step wrong, penalty follows!”

📌 Pro Tip:
If your supports are originally from Vietnam, Mexico, Thailand, or Malaysia, you may qualify for IEEPA exemption, with tariffs as low as 0%~5%;
Recommend applying for Advance Ruling (Pre-classification) to avoid customs risks.

📣 Take Immediate Action:

📞 Contact a professional customs broker + Provide product photos + Apply for HS Code Advance Ruling
🚀 Let your paperboard supports clear customs smoothly, export efficiently, and boost profits!

✨ Professional Customs Clearance Starts with Precise Classification!
💼 Every cent of your cost deserves precise calculation!