Products >> Polyester Sewing Thread >> Spun Polyester Sewing Thread

Grains/Cereal Bag Closing Thread 10s/4,10s/5

Product No.：20225491754
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Polysun 100% Spun Polyester Bag Closing Thread

Polysun bag closing thread is manufactured from premium 100% spun polyester yarn, delivering outstanding tensile strength and long-lasting durability. Adopting a special two-stage twist design — Z twist for the first stage and S twist for the second stage — this industrial sewing thread achieves stable running performance and excellent sewing effect, making it an ideal choice for all kinds of bag sealing work.

Key Features

• Superior Tensile Strength: Crafted with pure spun polyester material to withstand heavy loads and frequent use.

• Dual Twist Structure: Unique Z+S two-direction twist improves thread tightness, prevents loosening and ensures reliable sealing results.

• Wide Compatibility: Fully compatible with high-speed portable bag closers and heavy-duty bag sewing machines from mainstream brands including NEWLONG, FISCHBEIN, UNION-SPECIAL, YAO-HAN, SIRUBA and JUKI.

• Universal Applicability: Designed for sealing various open-mouth bags for industrial and agricultural packaging scenarios.

Product Specifications

We supply a complete range of yarn counts to meet different sewing requirements:

• 10s/2, 10s/3, 10s/4, 10s/5, 10s/6, 10s/7

• 12s/2, 12s/3, 12s/4, 12s/5

• 18s/2, 18s/3, 18s/4, 18s/5, 18s/6, 18s/7, 18s/9

• 20s/2, 20s/3, 20s/4, 20s/5, 20s/6, 20s/7, 20s/8, 20s/9, 20s/23, 20s/33

Packaging Solutions

• Small cones: 200g per cone, 250g per cone

• Bulk packages: Weight ranging from 1kg to 8kg

• Custom packaging: Custom lengths and weights are available on request

Available Colors

• Natural White

• Custom dyed colors: Red, Blue, Green, Brown and other customized shades

Main Applications

Our polyester bag closing thread is widely used in agricultural packaging and industrial packaging fields. It is perfect for sealing open-mouth bags loaded with rice, seeds, animal feed, charcoal, cement, fruits and other goods.

Applicable bag types: PP woven sacks, BOPP woven bags, multi-wall paper bags, sand bags, mesh bags and Raschel bags.

Count Ne /ply	Twisted Dir.	Length / kg (Mtrs ± 3%)	Tensile Force (± 3%)	Applications
20 / 3	S or Z	10,000	3.1 / 30.4	Light weight Miscellaneous bags
20 / 4	S or Z	7,500	4.3 / 42.0	Animal food-stuff bags…
20 / 5	S or Z	6,000	5.5 / 54.0	PP Woven bags, 30kg wt. bags
12 / 3(Nm20 / 3)	S or Z	6,000	5.5 / 54.0	PP Woven bags, 30kg wt. bags
20 / 6	S or Z	5,000	6.7 / 65.0	PP Woven bags, 40kg wt. bags
10 / 3	S or Z	5,000	6.7 / 65.0	PP Woven bags, 40kg wt. bags
20 / 7	S or Z	4,300	8.0 / 78.0	Flour bags, Multi-wall bags…
12 / 4(Nm20 / 4)	S or Z	4,300	8.0 / 78.0	Flour bags, Multi-wall bags…
20 / 8	S	3,800	9.2 / 90.0	Fertilizer bags, 50kg wt. bags
10 / 4	S	3,800	9.2 / 90.0	Fertilizer bags, 50kg wt. bags
12 / 5(Nm20 / 5)	S	3,800	9.2 / 90.0	Fertilizer bags, 50kg wt. bags
20 / 9	S	3,400	10.5 / 103.0	Fertilizer bags, 50kg wt. bags
20 / 10	S	3,100	12.0 / 110.0	Fertilizer bags, 50kg wt. bags
10 / 5	S	3,100	12.0 / 110.0	Fertilizer bags, 50kg wt. bags
12 / 6(Nm20 / 6)	S	3,100	12.0 / 110.0	Fertilizer bags, 50kg wt. bags
20 / 11	S	2,800	13.2 / 130.0	Cement bags, Heavy duty bags…
20 / 12	S	2,600	14.5 / 143.0	Cement bags, Heavy duty bags…
10 / 6	S	2,600	14.5 / 143.0	Cement bags, Heavy duty bags…
20 / 14	S	2,200	16.5 / 163.0	1-2 tons bulk bags…