单纱

🧵 Single Yarns (The Backbone of Textiles)

🌐 HS Code Reference & Customs Clearance Guide | 2026 Latest Tariff Analysis | Professional Clearance Strategy
📌 I. Product Definition & Classification: What is "Single Yarn"?

Single Yarn (单纱) refers to yarn spun from a single strand of fibers, without being plied or twisted together with other yarns. In international trade, it is a fundamental intermediate good, primarily categorized by its raw material (Synthetic vs. Natural) and processing state (Ply vs. Single).

In the provided data, we focus on "Not put up for retail sale" (industrial/spool yarn) and specifically Single Yarns (604). These are crucial for weaving, knitting, and industrial fabric production.

⚠️ Key Distinction:
- Single Yarn (604): One strand of fibers twisted together.
- Ply Yarn (602/603): Two or more single yarns twisted together.
- Retail Sale: Packaged for direct consumer use (e.g., knitting balls for home craft). Our data covers industrial single yarns, NOT retail knitting yarns.

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

Based on the provided data, the products fall into two main categories: Polyamide (Nylon) and Cotton/Polyester. Note: There is a slight inconsistency in the provided data's description text for HS 5509.21.00.00 (which describes Nylon in the description but mentions Polyester in the detailed text). We will clarify based on the HS Code itself.

🔍 Critical Clarification on Data Inconsistency:
- The entry for 5509.21.00.00 lists the description as "Polyamide" in the first part but "Polyester" in the second. HS 5509.21 is strictly for Polyamides (Nylon).
- The entry for 5509.11.00.00 lists the description as "Polyester". HS 5509.11 is typically for Polyamides, but if the description says Polyester, it may be a data error or a specific national sub-heading. However, based strictly on the provided text, we treat 5509.11.00.00 as Polyester for this analysis, while 5509.21.00.00 as Nylon.
- Filament (54xx) vs. Staple (55xx/52xx): 5402 codes are for Filament yarns (continuous threads), while 5509/5205 are for Staple fibers (short fibers spun together). Do not confuse them!

💰 III. 2026 Latest Tariff Rate Details (Zero Tax Advantage)

✅ Applicable Country: United States (US)
✅ Origin: China (CN)
✅ Status: 0.0% Total Tax Rate

All HS Codes listed in the provided data have a Total Tax Rate of 0.0%. This is a significant advantage for textile imports from China.

🎯 1. Synthetic Staple Yarns (Nylon/Polyester) - 5509.21.00.00 & 5509.11.00.00

📌 Explanation:
- These synthetic staple fiber yarns currently enjoy a 0% tariff under the provided data.
- Note: Textile products from China are often subject to Section 301 tariffs. However, the provided data explicitly states 0.0%. This may reflect a specific exemption, a new trade policy, or that these specific sub-headings are excluded from Section 301. Always verify with current CBP rulings.

🎯 2. Cotton Yarns - 5205.11.10.00 & 5205.21.00.20

📌 Explanation:
- Cotton yarns, especially uncombed and ring-spun varieties under 14 tex, are also taxed at 0% in this dataset.
- QC Requirement: Ensure the "combed" vs. "uncombed" and "tex" (≤14) specifications match the HS Code exactly. Misdeclaration can lead to penalties.

🎯 3. Synthetic Filament Yarns (Textured Nylon/Polyester) - 5402.31.30.00 & 5402.33.30.00

📌 Explanation:
- Textured filament yarns (used for stretch and softness) are also at 0%.
- Key Parameter: Must be textured and ≤500 decitex. If decitex > 500, a different HS code may apply.

🛠️ IV. Customs Clearance Practical Advice (Real-World Pitfall Guide)

✅ 1. Required Documentation Checklist (Must-Have)

✅ 2. Declaration Tips (Critical Keywords)

🔥 "Fiber Content is King, Retail Status is Queen, Tex/Decitex is the Crown!"

📌 Warning:
- "Not put up for retail sale" is a legal requirement for these HS codes. If the yarn is sold in small balls for home knitters, it belongs in Chapter 56 or specific retail codes, which may have different tax rates and regulations.
- Tex vs. Decitex: Cotton uses Tex (grams per 1000 meters). Synthetics often use Decitex (grams per 10,000 meters). Confusing these two can lead to wrong HS code selection.

✅ 3. Special Cases Handling

🌍 V. Global Market Comparison (2026 Latest)

📌 Conclusion:
- The US offers a 0% tariff for these specific single yarns according to the provided data, which is highly competitive.
- EU and UK have standard rates of ~6.5%.
- Always double-check for any recent USITC exclusions or additions, as textile tariffs can change rapidly.

📌 VI. Common Mistakes & Pitfall Guide (Blood-Lesson Lessons)

❌ Mistake 1: Declaring Ply Yarn as Single Yarn
👉 Consequence: Wrong HS Code → Penalty + Back Taxes.
✅ Fix: If twisted, check for "Ply" in the description and use ply yarn codes.

❌ Mistake 2: Ignoring the "Not for Retail Sale" clause
👉 Consequence: If sold in retail packs, customs may reclassify to retail codes, which might have different tax rates and require FTZ (Foreign Trade Zone) considerations.
✅ Fix: Ensure bulk packaging (spools, cones) and commercial labeling.

❌ Mistake 3: Confusing Tex and Decitex
👉 Consequence: Wrong sub-heading (e.g., ≤14 Tex vs. >14 Tex).
✅ Fix: Convert correctly: 1 Tex = 10 Decitex. So, ≤14 Tex = ≤140 Decitex. Wait! Check your specific HS Code.

Note: 5402.31.30.00 uses Decitex (≤500 dtex). 5205.11.10.00 uses Tex (≤14 Tex). Do not mix units!

❌ Mistake 4: Mislabeling Fiber Content
👉 Consequence: If labeled 90% Polyester but test shows 80%, it may fall under a different HS code with non-zero tax.
✅ Fix: Provide accurate fiber content test reports from accredited labs.

✅ Correct Declaration Example:

"Yarn, Single, 100% Nylon Staple Fibers, 50 Tex, 85%+ by weight, Not Put Up for Retail, Industrial Spools, Model: NYL-S-50"

🎯 VII. Conclusion: Professional Declaration, Save Money, Avoid Delays!

🎯 Remember the Mantra:

🔹 "Fiber Content First, Retail Status Key, Tex/Decitex Precise."
🔹 "Single Yarn 0% Tax, Ply Yarn Check Again, Retail Pack? Think Again!"

📌 Pro Tip:
- If your yarn is blended (e.g., 50% Cotton, 50% Polyester), the classification changes completely. Ensure you have 100% accurate fiber analysis.
- For US imports, while the data shows 0%, always consult a customs broker to confirm Section 301 applicability for textile products, as policies can shift.

📣 Immediate Action:

📞 Contact a licensed customs broker + Provide Fiber Test Report + Apply for HS Code Pre-Ruling if unsure.
🚀 Let your yarns clear customs smoothly, save costs, and boost profits!

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