Polyester Spun Yarn

Polyester Spun Yarn
virgin polyester staple fiber

COTTON was the most common fiber used in multiple industry applications in the past. Cotton fibers are composed of pure cellulose, which gives the soft feeling, fluffy, comfortable and breathable. On the other hand, the cotton product’s life is not long-lasting also a commodity product and can fluctuate in price because it is a natural fiber.

Polyester Spun Yarn was created to imitate cotton fiber. However, Polyester Spun Yarn has appeared for more than half a century. The advantages of Polyester Spun Yarn is better wrinkle-resistant, fades less, long-lasting and durable.

Polyester spun yarn is made from polyester staple fiber (PSF) and passes through the spinning process. Polyester spun yarn is obtained from both virgin polyester staple fiber and recycled polyester staple fiber. Polyester spun yarn is mostly used for knitting, weaving fabrics, manufacturing sewing thread, and embroidery.

polyester ring spun yarn, polyester OE spun yarn

Thai Polyester Company is a professional manufacturer of 100% polyester fiber and yarn, the biggest Polyester Spun Yarn supplier in Thailand. Plus, Thai Polyester Company provides considerable quantities of Polyester Ring-Spun Yarn and Polyester OE Spun Yarn. National and international thread suppliers knitting and weaving manufacturers rely on us.

According to our company's sustainable concept, TPC has started producing recycled polyester fiber and yarn made from PET bottles and reduced using virgin polyester. The company has also certified the recycled international standard by Global Recycled Standard (GRS) to guarantee that our product has high-quality and genuinely recycled. The company provides recycled and virgin Polyester Spun Yarn to suit all customers’ usages.

Author : Kanokluck Permpreedanun
Textile specialist

recycledpolyester spun yarn https://www.thaipolyester.com/recycling
A. 2 types of yarn spinning techniques
A. 2 types of yarn spinning techniques

2 types of yarn spinning techniques

1. Ring Spinning

Ring spinning is the oldest spinning system. It was based on the first spinning method that remains popular nowadays. Ring Spun production capacity is low compared to the rotor or open-end. However, the quality of the finished product is better than the others because the ring-spinning system continues using the widest range of yarn count as much as possible and produces the finest yarns.

Ring Spinning

       The ring spinning process is simple. The roving is the input for the operation and passes through a primary, usually 3 rolls in the drafting system. After drafting, the fiber is twisted into a yarn structure by a whirling spindle with a removable bobbin on it. The winding of the yarn onto the bobbin takes place due to the traveler and ring combination.

Ring spinning requires a subsequent winding step. Full bobbin must be wound onto a cone to create a much larger package usable for weaving or knitting. These additional steps of roving and winding, combined with the slow production rate (compared to rotor), are the primary reasons for the higher cost differences for ring-spun yarn.

Ring Spinning
https://www.textileschool.com/349/ring-spinning-process/

2. Rotor or Open-End(OE) Spinning

Rotor or open-end spinning is faster than ring spinning, up to 10 times per spindle. From a cost standpoint, it does not require the roving process and it does not require an extra winding step. Yarn is ready to use directly from the machine. Currently, the process is highly automated and includes automatic piecing (restarting of broken ends) and doffing (removal of complete packages).

Rotor or Open End(OE)

The rotor spinning process is difficult to conceptualize. The sliver is the input fed into a small carding device called a combing roll (or opening roll). This process individualizes the fiber and performs the drafting. Next, the loose fibers are sucked into a rotating rotor cup where they are attached to the rolling, open-end of yarn found there, thus the name, open-end spinning. Finally, the yarn is withdrawn and the process becomes continuous.

https://www.sciencedirect.com/topics/engineering/open-end-rotor-spinning

Polyester spun yarn divided to…

1. Virgin Polyester Spun Yarn
       Virgin polyester is made from a non-renewable resource using an energy-intensive process. So, virgin polyester spun yarn is produced from PSF non-renewable polyester. The colors we provide are:

Polyester spun yarn divided to…

Virgin polyester spun yarn
Raw White (RW)

1.1 Raw White (RW)
       RW is the color of the nature polyester color itself, not passing any color processes.

1.2 Dope-Dyed Black (DDB)
       DDB is the black color that the masterbatch has been put since at the beginning of the POY process with high temperature. Consequently, DDB spun yarn will have non-staining function quality and pale color.

Dope Dye Black (DDB)
Recycled polyester spun yarn

2. Recycled polyester spun yarn
       Recycled polyester is made from 100% waste PET and post-consumer PET bottles (flakes). Recycled polyester, also known as r-PET, is obtained by melting down existing plastic and re-spinning it into new polyester fiber. Another good choice for diverting plastics from the landfill and producing recycled polyester requires far fewer resources than new fibers and generates fewer Co2 emissions.

Polyester Spun Yarn Product Polyester spun yarn has a long continuous length of fibers, suitable for the textile industry such as sewing, crocheting, knitting, weaving, embroidery, rope making, etc.

We provide:
28/1 30/1 32/1 18/1 20/1 10/2 20/2 18/1 20/1 10/2 20/2 30/2 10/1 12/1 14/1 10/1 12/1 14/1 Count

2.1 Raw White (RW)
      RW recycled polyester is slightly different from virgin polyester; its color is yellowish naturally.

2.2 Dope-Dyed Black (DDB)
       DDB recycled polyester looks exactly like virgin polyester because the black masterbatch is mixed in the melting process before injecting. We cannot separate between DDB virgin and DDB recycle by vision. But there is a mechanical test to detect which is recycled or virgin. Our recycled product is certified by GRS, a voluntary product standard for tracking and verifying recycled materials' content in a final product.

C. Spun yarn luster

Spun yarn luster

       Luster refers to the degree of light reflected from fiber surfaces or the degree of gloss or sheen that the fiber possesses.

1. Full dull
       Full dull yarns are manufactured from raw materials modified chemically and physically to reduce their normal luster. A few of the qualities of full dull yarns have high tenacity and strength and look like cotton fiber. In addition, these yarns are of good pendent, soft visual appeal and a strong covering. Full dull yarns have various applications in manufacturing apparel, home textiles, etc.

2. Semi-dull
       Semi-dull yarn is manufactured from raw materials with low luster compared to partially oriented bright yarns used to manufacture semi-dull polyester textured yarn. Semi-dull partially oriented yarn has more durability properties. The end-user applications of semi-dull partially oriented yarn are in the garment and apparel industries for weaving and embroidery works. These semi-dull yarns are available in various deniers and filaments.

Semi-dull

Polyester Spun Yarn uses for…?

Polyester spun yarns are the long and continuous length of fibers, suitable for the production of textiles, sewing, crocheting, knitting, weaving, embroidery, rope making, etc.

D. Polyester Spun Yarn uses for…?

Polyester Spun Yarn Product

E. Polyester Spun Yarn Product

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