Polyester partially oriented yarn (POY) is a type of synthetic yarn that is made from polyester fibers that have been stretched but not fully drawn. This gives the yarn a high tenacity and low shrinkage. POY yarn is often used in the production of filament yarns and spun yarns.

The Manufacturing Process of POY Polyester

POY polyester is made through a process called melt spinning. In this process, polyester chips are melted and then extruded through spinnerets to form continuous filaments. These filaments are then cooled and solidified. The filaments are then stretched to a certain degree of orientation, but not to their full length. This stretching process gives the yarn its high tenacity and low shrinkage.

Properties of POY Polyester

POY polyester has a number of properties that make it a valuable material for the textile industry. These properties include:

• High tenacity: POY polyester is very strong and can withstand a lot of force. This makes it a good choice for applications where strength is important, such as in the production of ropes and tires.
• Low shrinkage: POY polyester does not shrink very much when it is washed or dried. This makes it a good choice for fabrics that need to be able to maintain their shape, such as in the production of suits and dresses.
• Good dyeability: POY polyester can be dyed easily with a wide variety of colors. This makes it a versatile material that can be used to create a wide variety of fabrics.
• Low cost: POY polyester is a relatively inexpensive material to produce. This makes it a good choice for applications where cost is a major factor.

Applications of POY Polyester

POY polyester is used in a wide variety of applications, including:

• Filament yarns: POY polyester is often used to make filament yarns, which are long, continuous yarns that are used in the production of fabrics.
• Spun yarns: POY polyester can also be used to make spun yarns, which are short, staple yarns that are used in the production of fabrics.
• Textured yarns: POY polyester can be used to make textured yarns, which are yarns that have been given a special treatment to make them soft and bulky. Textured yarns are often used in the production of sweaters, fleece, and towels.
• Non-wovens: POY polyester can also be used to make non-wovens, which are fabrics that are made from fibers that have been bonded together without being woven or knitted. Non-wovens are often used in the production of disposable products, such as diapers and wipes.

Conclusion

POY polyester is a versatile and durable material that can be used in a wide variety of applications. Its high tenacity, low shrinkage, good dyeability, and low cost make it a valuable material for the textile industry.