When sourcing cotton yarn for textile production, you will frequently encounter the term "combed cotton" or see yarn labels marked with "JC" (Jing Chong / Combed Cotton). But what exactly does combed mean? How does it differ from carded cotton? And is the premium price justified for your application?
This guide explains the combing process, its impact on yarn quality, and how to verify that you are actually getting combed cotton when sourcing from China.
1. What Does "Combed" Actually Mean?
Combed cotton yarn is produced through an additional mechanical process called combing that occurs after carding and before spinning. During combing, short fibers (typically under 12.7mm), neps, and impurities are mechanically removed from the cotton sliver using a combing machine.
Key takeaway: Combing removes approximately 15-20% of short fibers and impurities, leaving only the longest, strongest, and most uniform fibers for spinning.
The result is a yarn with:
- Higher fiber alignment — fibers lie more parallel to each other
- Fewer short fibers — reduced hairiness and pilling tendency
- Cleaner surface — less neps and trash particles
- Superior strength — longer fibers create stronger yarn
- Smoother hand feel — ideal for premium fabrics
2. Carded vs Combed Cotton: The Critical Differences
Understanding the difference between carded and combed cotton is essential for making the right sourcing decision. Here is a side-by-side comparison:
| Property | Carded Cotton (C) | Combed Cotton (JC) |
|---|---|---|
| Short fiber removal | None | 15-20% removed |
| Average fiber length | Shorter (mixed lengths) | Longer & more uniform |
| Yarn hairiness | Higher | 30-40% lower |
| Tensile strength | Standard | 15-25% higher |
| Surface smoothness | More neps visible | Cleaner, smoother |
| Pilling resistance | Lower | Significantly better |
| Typical applications | T-shirts, basic knitwear, denim | Premium shirts, fine knitwear, bed linen |
| Price premium | Baseline | +15-25% over carded |
3. The Combing Process: Step by Step
Combing is not a single action but a multi-stage process integrated into the spinning preparation line:
- Blow room & carding: Raw cotton is opened, cleaned, and formed into a card sliver.
- Drawing (1st pass): Multiple card slivers are combined and drawn to improve uniformity.
- Lap forming: The drawn sliver is wound into a lap (a wide sheet of fibers).
- Combing: The lap passes through the combing machine where fine needles (combs) catch and remove short fibers, neps, and impurities. The noil (waste) is collected separately.
- Drawing (2nd pass): The combed sliver is drawn again to ensure evenness.
- Spinning: The prepared combed sliver is spun into yarn via ring spinning or compact spinning.
At LongLu Materials, we use combed compact spinning — combining the benefits of combing (fiber uniformity) with compact spinning (additional hairiness reduction and strength improvement) for the highest quality output.
4. Combed Yarn Specifications & Common Counts
Combed cotton yarn is available in a wide range of counts. Here are the most commonly sourced specifications from China:
| Yarn Count | Tex Equivalent | Typical Uses | Combing Noil Rate |
|---|---|---|---|
| JC 20S (Ne 20/1) | 29.5 tex | Heavy knitwear, terry towels | 18-20% |
| JC 32S (Ne 32/1) | 18.4 tex | T-shirts, casual shirts, jersey | 16-18% |
| JC 40S (Ne 40/1) | 14.8 tex | Premium shirts, fine knitwear | 15-17% |
| JC 50S (Ne 50/1) | 11.8 tex | High-end shirting, luxury basics | 14-16% |
| JC 60S (Ne 60/1) | 9.8 tex | Luxury apparel, fine bed linen | 13-15% |
| JC 80S (Ne 80/1) | 7.4 tex | Ultra-premium shirting, handkerchiefs | 12-14% |
Note: Higher counts (60S, 80S) require stricter combing parameters and higher-quality raw cotton (typically 29mm+ staple length). The noil rate decreases because the raw material is already more uniform.
5. How to Verify You Are Getting Real Combed Cotton
Unfortunately, some suppliers label carded yarn as "combed" to command a higher price. Here is how to verify:
5.1 Request USTER Test Reports
Ask for USTER TESTER 6 reports showing:
- Hairiness (H): Combed yarn typically shows H < 4.0 for 32S count
- Imperfection index: Lower neps and thick places than carded
- Tensile strength (cN/tex): Combed yarn is 15-25% stronger
5.2 Check the Noil Rate
A legitimate combing operation produces 15-20% noil (waste short fibers). Ask your supplier about their noil rate. If they claim "combed" but have no measurable noil, they are likely not actually combing.
5.3 Physical Inspection
- Visual: Combed yarn fabric has a cleaner surface with fewer visible neps
- Touch: Combed cotton feels noticeably smoother and softer
- Pilling test: Combed fabric pills significantly less after Martindale testing
5.4 Factory Audit
If possible, visit or request video evidence of the combing machines in operation. A Rieter or Trutzschler comber is a strong indicator of legitimate combing capability.
6. When Should You Pay for Combed Cotton?
Combed cotton is not always necessary. Here is when the premium is justified:
| Application | Recommended Type | Why |
|---|---|---|
| Premium T-shirts & polo shirts | Combed (JC 32S-40S) | Smoother surface, better drape, less pilling |
| Basic promotional T-shirts | Carded (C 20S-32S) | Cost-sensitive; carded is sufficient |
| High-end dress shirts | Combed compact (JC 50S-80S) | Maximum smoothness and strength |
| Denim (warp) | Carded or combed (C/JC 7S-12S) | Heavy count; combing adds durability |
| Bed linen & home textiles | Combed (JC 40S-60S) | Softness and longevity matter |
| Sportswear & activewear | Combed (JC 32S-40S) | Strength for stretch and recovery |
7. Combed Cotton Pricing Benchmarks (2026)
Here are approximate FOB China pricing benchmarks for combed ring-spun cotton yarn (as of mid-2026):
| Yarn Count | Carded (USD/kg) | Combed (USD/kg) | Premium |
|---|---|---|---|
| C/JC 20S | $3.20-3.50 | $3.70-4.00 | +15% |
| C/JC 32S | $3.50-3.80 | $4.10-4.50 | +17% |
| C/JC 40S | $3.80-4.20 | $4.60-5.00 | +20% |
| JC 50S | N/A (rare carded) | $5.20-5.80 | — |
| JC 60S | N/A | $6.00-7.00 | — |
Note: Prices fluctuate with raw cotton futures (ICE Cotton). Always request a current quote for your specific volume and delivery terms.
8. Combed Compact Spinning: The Next Level
For buyers seeking the absolute best quality, combed compact spinning combines two premium processes:
- Combing removes short fibers and impurities
- Compact spinning uses an airflow condensing zone to further align fibers before twisting, reducing hairiness by an additional 30% and increasing strength by 20%
LongLu Materials operates 32 sets of combed compact spinning frames at our Xinxiang facility, producing JC 32S through JC 60S with USTER 5% quality benchmarks. This is the configuration we recommend for premium apparel brands and export-oriented textile manufacturers.
9. Sourcing Checklist for Combed Cotton Yarn
Before placing your order, verify these points with your supplier:
- ☑ Confirm the exact yarn specification (JC vs C, count, twist direction)
- ☑ Request USTER test reports for the specific count you are ordering
- ☑ Ask about the combing noil rate and raw cotton staple length
- ☑ Verify spinning technology (ring vs compact vs open-end)
- ☑ Check minimum order quantity (MOQ) and lead time
- ☑ Request a physical sample for hand-feel and visual inspection
- ☑ Confirm packaging (cone weight, pallet configuration)
- ☑ Ask about certifications (OEKO-TEX, BCI, organic if applicable)
Source Verified Combed Cotton Yarn from LongLu Materials
We produce JC 32S–60S combed compact cotton yarn with full USTER testing and factory-direct pricing. Serving textile buyers in Pakistan, Bangladesh, Vietnam, and beyond since 2024.
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