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20S/6 4kg Polyester Bag Closing Thread
| Material: | 100% Spun polyester |
| Yarn Count: | 20s/6, 6-ply twisted construction |
| Net Weight: | 4kg per cone |
| Color: | Raw white (customized colors available) |
| Logo & Packaging: | MH, Two Birds, Krowntex, and Private Label |
| MOQ: |
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◆ Lead Time: 25-35 days
◆ Shipping: Sea freight, Railway freight
◆ Payment: T/T, L/C ...
20S/6 4kg Spun Polyester Sewing Thread for Bag Closer
Product Description
The 20s/6 4kg polyester bag closing thread is a heavy-duty industrial sewing thread ideal for sealing thick and heavy packaging bags. Made from high-tenacity 100% spun polyester, it offers strong knot strength and consistent stitch quality. The 6-ply construction ensures higher durability and performance under high-speed sewing, making it suitable for heavy-duty automatic and industrial bag closing machines.
Features
- High tensile strength for extra-strong seams
- Low shrinkage, oil-free, and low lint for clean machine operation
- Excellent abrasion and chemical resistance
- Uniform winding for smooth high-speed sewing
Usage
This thread is specially developed for sealing large and heavy packaging bags used in agriculture, industry, and bulk transportation.
- Woven PP bags, kraft paper sacks, and multi-wall paper bags
- Used for packing: grain, cement, fertilizer, sand, feed, seed, charcoal, and chemicals
Suitable for use with heavy-duty industrial bag closing machines, including fixed-type and high-speed sewing heads.
Customization
- Thread color: Pantone-based or customer samples
- Private label & logo: Available on cone or outer box
- Cone type: Plastic or paper
- Packing: 1kg/cone, 10 cones/carton or as requested
- OEM & ODM: Welcome for bulk orders
Thread Weight & Recommended Machine Models
| Thread Specification | Thread Weight | Machine Type | Recommended Models | Application |
|---|---|---|---|---|
| 20s/6, 20s/9 | 200g – 250g | Portable Bag Closer | GK9 Series, GK26-1A, NP-7A | On-site small-volume bag sealing, mobile use |
| 20s/6, 12s/4 | 500g – 1kg | Semi-industrial Stationary Machine | Fischbein F Series, Newlong NP-3X | Factory use, moderate sealing volume |
| 12s/4, 20s/6 | 1kg – 2kg | Industrial High-Speed Sewing Head | Fischbein Empress Series, Newlong DS-9C, Union Special 80800 | Continuous high-speed bag closing line |
| 20s/6, 20s/9 | 3kg – 4kg | Automatic Bag Closing System | Newlong DS-11, Fischbein PBC6000 Series | Fully automated packaging line |
Other Thread Products
We offer additional polyester thread options: corespun polyester sewing thread, high tenacity polyester sewing thread, cotton sewing thread, bag closing thread, recycled sewing thread, anti-UV sewing thread, waterproof sewing thread, fire-retardant sewing thread, High extension flex sewing thread, water soluble sewing thread, sewing thread sets.
