微晶纤维素粉末（用于胶囊）

🌿 Microcrystalline Cellulose Powder (For Capsule Use)

🌐 HS Code & Tariff Guide | 2026 Latest Customs Classification & Duty Breakdown | Professional Import Strategy
📌 One Product, Multiple HS Codes – Why the Confusion?

Microcrystalline Cellulose (MCC) is a modified natural polymer derived from plant cellulose, widely used in pharmaceuticals as a filler, binder, and disintegrant—especially in capsule formulations. Despite its simple appearance (powder), its classification varies significantly depending on how it’s described, processed, and intended for use.

⚠️ Critical Insight:
The same product—microcrystalline cellulose powder—can be classified under five different HS Codes, each with drastically different tariffs.
Choosing the wrong one can result in overpayment, delays, or penalties.

📦 二、HS Code Classification Breakdown (2026 Official Tariff Table)

🔍 Why So Many Codes?
The same physical product is interpreted differently based on: - Chemical processing level - Intended use (pharmaceutical vs. food) - Whether it's seen as a polymer, extract, or thickener - How it's described in the commercial invoice

💰 三、2026 Tariff Breakdown (U.S. Import – China Origin)

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

🎯 1. 3913.90.50.00 — Modified Natural Polymer (Powder)

📌 Explanation:
- This code applies when MCC is clearly labeled as a modified natural polymer or cellulose derivative. - The 25% USITC duty is from Section 301 of the U.S. Trade Act (targeting Chinese industrial overcapacity). - The 10% IEEPA duty is under the International Emergency Economic Powers Act, targeting goods from China/Hong Kong.

🎯 2. 1302.39.00.90 — Plant Mucilage & Thickener (Powder)

📌 Explanation:
- When MCC is described as a "thickening agent" or "mucilage", it falls under plant-derived functional ingredients. - Lower base duty (3.2%) but still subject to combined 17.5% additional tariffs. - This code is more favorable than 3913.90.50.00 if you can justify the "thickener" use.

🎯 3. 1302.19.91.40 — Plant Extracts & Juices (Powder)

📌 Explanation:
- If MCC is described as a "plant extract", even though it's not a true extract, this code applies. - 0% base duty makes it the most favorable among all five. - High risk of audit if not supported by documentation (e.g., extraction process).

🎯 4. 3913.90.20.90 — Polysaccharide Derivatives (Primary Form, Powder)

📌 Explanation:
- This code applies when MCC is classified as a "polysaccharide derivative" in primary form. - High base duty (5.8%) + 25% USITC + 10% IEEPA = 40.8%. - One of the highest tariffs — avoid unless you have no alternative.

🎯 5. 3913.90.20.90 — Polysaccharide Derivatives (Primary Form, For Capsules)

📌 Explanation:
- Identical to the above code, but specifically for capsule use. - No reduction in tariff despite intended pharmaceutical use. - Same 40.8% rate — do not assume "pharmaceutical use" reduces duty.

🔥 Key Takeaway:
- Same product, same code, same rate — whether used in capsules or not. - Intended use does NOT affect tariff unless it's a medical device or drug (not a raw material).

🛠️ 四、Clearance & Compliance Tips (Proven Strategies)

✅ 1. Required Documentation (Must-Have)

✅ 2.申报技巧（申报口诀）

🔥 “一物五码，选对税码，省下30%！
描述精准，用途明确，税码不乱，通关不难！”

✅ 3. Risk Mitigation & Audit Defense

🌍 五、Global Market Tariff Comparison (2026)

📌 Insight:
- Only the U.S. imposes high附加税 on MCC from China. - Vietnam, India, and EU producers are tariff-advantaged.

📌 六、常见错误 & Avoidance Guide (Do NOT Do This!)

❌ Error 1: Using “microcrystalline cellulose” without specifying processing or use
👉 Result: CBP may default to 3913.90.50.00 → 41.5% duty

❌ Error 2: Describing MCC as “plant extract” without proof
👉 Result: Audit, penalty, or reclassification

❌ Error 3: Using “capsule use” to justify lower duty
👉 Result: No effect — duty is based on material, not use

❌ Error 4: Not aligning invoice description with TDS
👉 Result: Customs delays, rejection, or seizure

✅ Correct Description Example:

“Microcrystalline Cellulose, Powder, Pharmaceutical Excipient, Derived from Plant Cellulose, Modified by Acid Hydrolysis, Used as Binder in Capsule Formulations, USP Grade”

🎯 七、Conclusion: Precision in Classification = Profit Protection

🎯 Remember the Golden Rule:

🔹 “The same product, different descriptions, different tariffs.”
🔹 “Choose your HS Code based on how you describe it — not what it is.”

✅ Best Practice:
- Use 1302.19.91.40 or 1302.39.00.90 if you can justify "extract" or "thickener" use.
- Avoid 3913.90.50.00 and 3913.90.20.90 unless required.
- Apply for Advance Ruling (AR) if importing large volumes.
- Source from non-China countries (Vietnam, India) to avoid IEEPA/USITC.

📣 Act Now!

📞 Contact a U.S. Customs Broker + Request HS Code Pre-Ruling
🚀 Save thousands in duties, avoid audits, and ensure smooth clearance!

✨ Professional Importing Starts with Accurate Classification!
💼 Your profit margin depends on the right HS Code — choose wisely!