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Jumbo Size
Bag Sewing Thread 

Made of 100% bright spun polyester staple fiber 1.2D*33mm

Premium quality thread for automatic bagging machine.

Knotless Threads without break

Safe as food contact materials

Cone Weight 1KG 2KG 3KG 4KG 5KG 6KG 7KG 8KG 9KG 10KG

Suitable for all type of bag closing machine.

About The large size of 
Bag Closer Thread.

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Designed for continuous, high-speed bulk-bag closure, our 100% Spun Polyester Jumbo Bag Closing Thread delivers unmatched productivity improvements by minimizing spool changes and keeping your machines running at peak throughput. Available in spool weights from 1 kg up to 10 kg, it’s perfectly tailored for automatic bag-closing systems such as NEWLONG, Fischbein, Union-Special, and other industry-leading models.

About The Jumbo Bag Sewing Thread.

1 / Extended Runtime, Fewer Changeovers

With jumbo-size 5 kg and10 kg spools, operators spend significantly less times wapping cones.On a 2000 stitches-per-minute closer, a10 kg spool can run continuously for over 6 hours-dramatically reducing downtime in busy production lines.

2 / Consistent High-Speed Performance

Our Precision-spun polyester bag sewing thread ensure uniform diameter and twist along every meter of thread. This stability prevents tension fluctuations and thread breaks-even at speeds exceeding2200 stitches per minute on NEWLONG , Fischbein , orUnion-Special machines-so you maintain steady bag-closing rates without interruption.

3 / Reliable and Security

Low-elongation(15-20 %) spun polyester thread maintains tight stitch formation and secure knots on woven polypropylene, multi-wall paper, and coated fabrics. Once your industrial bag is sealed, you can trust that closure will hold through handling, lifting, and transport.

4 / Boost Your Productivity

Up to 30% Fewer Downtimes Our customers report a dramatic reduction in thread-related stoppages thanks to our jumbo size thread 8KG format and consistent thread quality. Lower Operating Costs Fewer thread cone changes mean less labor, and the ability to run lighter Tex grades without sacrificing strength drives down material spend. Simplified Maintenance Cleaner feeds and low-lint construction reduce the frequency of machine cleaning-so your maintenance crew can focus on preventive tasks rather than clearing thread jams

5 / Machine Maintenance Reduction

Larger thread spools and optional wax finish cut down on lint accumulation, extending the intervals between machine cleanings and minimizing wear on guides.

6 / Consistent Product Quality

Uniform thread properties ensure every bag-whether first or thousandth-exits with the same stitch strength and appearance, protecting your brand's reputation.

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Benefits & Customer Advantages

Superior Durability

Unlike spun-bond polypropylene or cotton threads that stretch or fray under tension, our spun polyester maintains consistent diameter and knot integrity throughout each spool-translating to fewer breaks, less wasted material, and uninterrupted workflow.

Available Size And Weight

Thread Count : Ne12s/3Ne12s/4Ne12s/5Ne10s/3Ne10s/4Ne20s/6Ne20s/7.

Available 1Kg , 2Kg, 3Kg, 4Kg, 5Kg, 6Kg, 7Kg, 8Kg, 9Kg, 10Kg ,20Lbs;

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Global Pioneer of Sewing & Packaging Ecosystem – From Yarn to Finished Products

DEMANPACK provide comprehensive bag sewing thread solutions and reliable support . 

© 2026 Henan Deman Packing Co.,Ltd . All rights reserved 

Company

No.1168 , SiZhuangDing, Muye Region,Xinxiang,

Henan, China .

453000

Enquiries

T: 86-189-3730-8020
E: info@demanpack.com

    service@demanpack.com

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