There are four common types of polyester, with PET (Polyethylene Terephthalate) being by far the most commonly used. The different types of polyesters are listed below:
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To learn more, see our guide on What is Polyester.
Polyester finds the most use as a fabric or textile. This application includes fishing nets, carpets, ropes, clothing, sportswear, and air filters. Polyester accounts for over half the total fiber use globally.
Due to the prevalence of polyester fabric, polyester is used almost everywhere that fabrics are utilized. This means the consumer, via industries such as clothing, automobiles, and medicine, makes heavy use of polyesters.
The largest consumer of polyester fibers is China. This is no surprise as China also leads in terms of global polyester production. The Asia Pacific region is set to account for over 85% of the global polyester market share.
In 2021, the average cost per ton of staple fiber polyester was approximately $1,053. This was an increase of over 20% when compared to 2020. The chart below indicates the movement of the polyester price over the last three years.
Conveyor belts are the driving force in conveying operations. There are many different types and materials for the abundance of applications in the market. However, there are a few different textiles that serve an important purpose in conveyor belting.
Cotton & Wool
Solid woven cotton is often used in baking applications where belts must “breathe”, absorb, and/or handle warm products. It is also used in applications to handle warm, green rubber products. Cotton is used in length, width, or in both directions of multiple plied conveyor belting to increase the bulk of the overall product on applications that require resistance to impact without requiring high strength. Most commonly, it is placed either on the top or bottom ply of multiple plied belts to provide lower drag against the conveyor bed or some conveyed products – like cartons.
Characteristics & Properties
Synthetic – Aramid, Nylon, Polyester
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Nylon:
A nylon core is used to provide high strength as required in some flour, paper, box, and wood applications for conveying products or transmission of power. It is used as the width fiber (fill yarn) in conveyor belting to increase rip resistance and fastener retention as well as to resist abrasion from building material products.
Characteristics & Properties
Polyester:
Solid woven polyester is used as a durable and low-cost option for general conveyance, with specific uses in the parcel, package, and baggage applications. Polyester is used in the length (warp), width (fill), or in both directions of the weave as an inexpensive carcass for multiple plied conveyor belting. Spun polyester generates less noise and is used when higher speeds are used on long(er) slider bed applications.
Characteristics & Properties
Aramid (Kevlar):
Kevlar is used in glass applications where belts must withstand hot temperatures and retard flames, in heavy applications near industrial furnaces or conveying hot products being discharged from heat processes, and in heavy applications where resistance to high or heavy impact is important.
Characteristics & Properties
A blend of textiles is often used to gain the benefits of a variety of features that provide solutions and enhance belt performance or extend belt life.
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