--- title: Service Thread Blog | Polyester description: Polyester | Service Thread analysis of industry news and trends, tips and advice, and lessons learned from experience in yarn and thread manufacturing. --- ![image-png](https://www.servicethread.com/hs-fs/hubfs/image-png.png?width=157&name=image-png.png) ## [ISO 9001:2015 Standard Registered](https://www.servicethread.com/hubfs/ISO%209001%20Certificate%20effective%20September%202025.pdf) ## [![Blog Header](https://www.servicethread.com/hs-fs/hubfs/Servicethread/bg_blog_header.png?width=594&name=bg_blog_header.png) We never stop learning, or sharing what we’ve learned!](https://www.servicethread.com/blog) [![](https://www.servicethread.com/hubfs/Blog%20or%20Website%20Images/Home_page_hero_images/130306ServiceThread01271C.jpg) ](https://www.servicethread.com/blog/pfas-free-non-wicking-yarn-treatments-a-safer-alternative-for-high-performance-textiles) ## [PFAS-Free Non-Wicking Yarn Treatments: A Safer Alternative for High-Performance Textiles](https://www.servicethread.com/blog/pfas-free-non-wicking-yarn-treatments-a-safer-alternative-for-high-performance-textiles) - By [Steve Zande](https://www.servicethread.com/blog/author/steve-zande) - 06/27/25 - [Wire and Cable](https://www.servicethread.com/blog/topic/wire-and-cable), [Wicking Test](https://www.servicethread.com/blog/topic/wicking-test), [Waterblocking](https://www.servicethread.com/blog/topic/waterblocking), [Industrial Yarn](https://www.servicethread.com/blog/topic/industrial-yarn), [Polyester](https://www.servicethread.com/blog/topic/polyester) - [0 Comments](https://www.servicethread.com/blog/pfas-free-non-wicking-yarn-treatments-a-safer-alternative-for-high-performance-textiles#comments-listing) ****As the textile industry faces rising scrutiny over chemical safety and environmental impact, one group of substances has come under particular fire: PFAS.  Long valued for their ability to impart water- and stain-resistant properties, these “forever chemicals” are now being phased out across global markets. For manufacturers of high-performance yarns, this raises a critical challenge: **how to maintain non-wicking functionality without PFAS.** [Read more](https://www.servicethread.com/blog/pfas-free-non-wicking-yarn-treatments-a-safer-alternative-for-high-performance-textiles) - By [Steve Zande](https://www.servicethread.com/blog/author/steve-zande) - 04/23/25 - [0 Comments](https://www.servicethread.com/blog/navigating-tariffs-a-domestic-solution-for-textile-manufacturers#comments-listing) ## [Navigating Tariffs: A Domestic Solution for Textile Manufacturers](https://www.servicethread.com/blog/navigating-tariffs-a-domestic-solution-for-textile-manufacturers) [![](https://www.servicethread.com/hubfs/Service%20Thread%20Winding.jpg) ](https://www.servicethread.com/blog/navigating-tariffs-a-domestic-solution-for-textile-manufacturers) Recent developments in U.S. trade policy have once again put a spotlight on the vulnerability of supply chains that rely heavily on imported materials—particularly from China. With proposed tariff hikes targeting a wide range of goods, including industrial textiles and raw materials, manufacturers are facing increased pressure to find reliable, cost-effective alternatives closer to home. [Read more](https://www.servicethread.com/blog/navigating-tariffs-a-domestic-solution-for-textile-manufacturers) - By [Steve Zande](https://www.servicethread.com/blog/author/steve-zande) - 12/13/24 - [0 Comments](https://www.servicethread.com/blog/the-importance-of-break-strength-elongation-and-shrinkage-in-polyester-yarns-for-industrial-markets#comments-listing) ## [Break Strength, Elongation, and Shrinkage in Polyester for Industrial Markets](https://www.servicethread.com/blog/the-importance-of-break-strength-elongation-and-shrinkage-in-polyester-yarns-for-industrial-markets) [![](https://www.servicethread.com/hubfs/Blog%20or%20Website%20Images/Service%20Thread%20%202%20%20-5883.jpg) ](https://www.servicethread.com/blog/the-importance-of-break-strength-elongation-and-shrinkage-in-polyester-yarns-for-industrial-markets) Polyester yarns are fundamental to the performance and longevity of a wide range of industrial products. From hose reinforcement to binder yarns for fiber optic cables, tire cords, and industrial fabrics, the success of these applications hinges on achieving the right balance of mechanical properties. Among these critical properties, break strength, elongation, and shrinkage play pivotal roles. Each property serves a distinct purpose, and optimizing one can have a cascading effect on the others. [Read more](https://www.servicethread.com/blog/the-importance-of-break-strength-elongation-and-shrinkage-in-polyester-yarns-for-industrial-markets) - By [Steve Zande](https://www.servicethread.com/blog/author/steve-zande) - 09/05/23 - [0 Comments](https://www.servicethread.com/blog/exploring-alternatives-to-akra-161-polyester-navigating-a-changing-landscape#comments-listing) ## [Exploring Alternatives to Akra 161 Polyester: Navigating a Changing Landscape](https://www.servicethread.com/blog/exploring-alternatives-to-akra-161-polyester-navigating-a-changing-landscape) [![](https://www.servicethread.com/hubfs/2019%20Facility%20Photos/TC2%20Twister%20Cropped.jpeg) ](https://www.servicethread.com/blog/exploring-alternatives-to-akra-161-polyester-navigating-a-changing-landscape) The recent news of [Alfa Group's decision to close its filament polyester production plant in Mexico](https://www.alpek.com/alpek-filament-site/) has sent shockwaves throughout the industry. Companies that once relied on Akra's products are now faced with the daunting task of finding suitable alternatives. While many high tenacity polyester fibers can be readily replaced, the Akra Type 161 presents a unique challenge due to its distinct physical properties. [Read more](https://www.servicethread.com/blog/exploring-alternatives-to-akra-161-polyester-navigating-a-changing-landscape) - By [Service Thread](https://www.servicethread.com/blog/author/service-thread) - 04/07/21 - [0 Comments](https://www.servicethread.com/blog/best-polyester-type-for-your-application#comments-listing) ## [Best Polyester Type for Your Application](https://www.servicethread.com/blog/best-polyester-type-for-your-application) [![](https://www.servicethread.com/hubfs/Blog%20or%20Website%20Images/Home_page_hero_images/20140920ServiceThread1338.jpg) ](https://www.servicethread.com/blog/best-polyester-type-for-your-application) Because continuous multifilament polyester yarns are used in a wide variety of applications and conditions, polyester yarn manufacturers are required to have diverse product portfolios to accommodate them, including yarns in a wide denier range with various physical properties. [Read more](https://www.servicethread.com/blog/best-polyester-type-for-your-application) - By [Service Thread](https://www.servicethread.com/blog/author/service-thread) - 01/13/21 - [0 Comments](https://www.servicethread.com/blog/general-specs-multifilament-polyester-types-compared#comments-listing) ## [General Specs: Multifilament Polyester Types Compared](https://www.servicethread.com/blog/general-specs-multifilament-polyester-types-compared) [![](https://www.servicethread.com/hubfs/Blog%20or%20Website%20Images/20140920ServiceThread0944.jpg) ](https://www.servicethread.com/blog/general-specs-multifilament-polyester-types-compared) Polyester is a category of polymers, and all polyesters share certain characteristics however there are some significant differences in physical properties among all the types of multifilament polyester.  Not all polyesters are the same. [Read more](https://www.servicethread.com/blog/general-specs-multifilament-polyester-types-compared) - By [Service Thread](https://www.servicethread.com/blog/author/service-thread) - 12/04/20 - [0 Comments](https://www.servicethread.com/blog/durafiber-multifilament-polyester-alternatives#comments-listing) ## [DuraFiber Multifilament Polyester Alternatives](https://www.servicethread.com/blog/durafiber-multifilament-polyester-alternatives) [![](https://www.servicethread.com/hubfs/2019%20Facility%20Photos/TC2%20twister%20close%20up.jpg) ](https://www.servicethread.com/blog/durafiber-multifilament-polyester-alternatives) In October 2017 DuraFiber Technologies, previously Performance Fibers, once a leading US supplier of high-tenacity polyester fibers, engineered fabrics, sewing threads and advanced materials, closed its three facilities in the United States DuraFiber produced a number of widely used types of polyester in the United States and the different types are still referenced by companies searching for quality alternatives today.  Many of the available alternatives happen to have more consistent properties with tighter tolerances but this ultimately depends on the type of alternative polyester.  [Read more](https://www.servicethread.com/blog/durafiber-multifilament-polyester-alternatives) - By [Eric Shippee](https://www.servicethread.com/blog/author/eric-shippee) - 08/27/19 - [0 Comments](https://www.servicethread.com/blog/multi-filament-meta-aramid-and-para-aramid-compared-to-polyester#comments-listing) ## [Multi-filament Meta-aramid vs. Para-aramid](https://www.servicethread.com/blog/multi-filament-meta-aramid-and-para-aramid-compared-to-polyester) [![](https://www.servicethread.com/hubfs/20160629ServiceThread00013_WebFile-1.jpg) ](https://www.servicethread.com/blog/multi-filament-meta-aramid-and-para-aramid-compared-to-polyester) Meta-aramid and para-aramid fibers may be similar, but they have some significant differences. To better understand these differences, let’s look at the physical properties of each of these and see how they compare to a commodity high tenacity polyester. [Read more](https://www.servicethread.com/blog/multi-filament-meta-aramid-and-para-aramid-compared-to-polyester) - By [Torry Losch](https://www.servicethread.com/blog/author/torry-losch) - 09/21/18 - [0 Comments](https://www.servicethread.com/blog/how-the-polyester-yarn-supply-chain-is-impacted-by-the-u.s.-trade-war-with-china-part-one#comments-listing) ## [How the Polyester Yarn Supply Chain is Impacted by the U.S. trade war with China](https://www.servicethread.com/blog/how-the-polyester-yarn-supply-chain-is-impacted-by-the-u.s.-trade-war-with-china-part-one) [![](https://www.servicethread.com/hubfs/Service%20Thread%20%202%20%20-5990-1.jpg) ](https://www.servicethread.com/blog/how-the-polyester-yarn-supply-chain-is-impacted-by-the-u.s.-trade-war-with-china-part-one) On September 17th the United States Trade Representative (USTR) Office announced [additional tariffs of 10 percent](https://ustr.gov/about-us/policy-offices/press-office/press-releases/2018/september/ustr-finalizes-tariffs-200) on 5,745 items with an approximate value of $200 billion USD. As most of the world is aware, the Trump Administration and China are in a heated economic battle. [Read more](https://www.servicethread.com/blog/how-the-polyester-yarn-supply-chain-is-impacted-by-the-u.s.-trade-war-with-china-part-one) - By [Torry Losch](https://www.servicethread.com/blog/author/torry-losch) - 07/27/17 - [0 Comments](https://www.servicethread.com/blog/polyester-yarn-price-update-part-three-index-formulas#comments-listing) ## [Polyester Yarn Price Update Part Three: Index Formulas](https://www.servicethread.com/blog/polyester-yarn-price-update-part-three-index-formulas) [![](https://www.servicethread.com/hubfs/Blog_Images/ST-equation-graphic.jpg) ](https://www.servicethread.com/blog/polyester-yarn-price-update-part-three-index-formulas) In [part one](https://www.servicethread.com/blog/polyester-yarn-price-update-part-one-understanding-cost-swings) of this series, I talked about how to understand polyester pricing swings and why rising costs and a dynamic market has thrust the industry into a volatile time. In [part two](https://www.servicethread.com/blog/polyester-yarn-price-update-part-two-understanding-market-spot-and-indexed-pricing), I touched on understanding market, spot and indexed pricing. In this post, I’ll focus on index formulas, particularly once a supplier and client decide to index a price, what does it look like? In general, designing a simple index formula is the best strategy. The difficult part is agreeing to the finer details up front. Both parties must carefully consider the following aspects. [Read more](https://www.servicethread.com/blog/polyester-yarn-price-update-part-three-index-formulas) [All posts](https://www.servicethread.com/blog/all) [Next](https://www.servicethread.com/blog/topic/polyester/page/2) [![](https://www.servicethread.com/hubfs/Blog%20or%20Website%20Images/Home_page_hero_images/130306ServiceThread01271C.jpg) ](https://www.servicethread.com/blog/pfas-free-non-wicking-yarn-treatments-a-safer-alternative-for-high-performance-textiles) ## [PFAS-Free Non-Wicking Yarn Treatments: A Safer Alternative for High-Performance Textiles](https://www.servicethread.com/blog/pfas-free-non-wicking-yarn-treatments-a-safer-alternative-for-high-performance-textiles) - By [Steve Zande](https://www.servicethread.com/blog/author/steve-zande) - 06/27/25 - [Wire and Cable](https://www.servicethread.com/blog/topic/wire-and-cable), [Wicking Test](https://www.servicethread.com/blog/topic/wicking-test), [Waterblocking](https://www.servicethread.com/blog/topic/waterblocking), [Industrial Yarn](https://www.servicethread.com/blog/topic/industrial-yarn), [Polyester](https://www.servicethread.com/blog/topic/polyester) - [0 Comments](https://www.servicethread.com/blog/pfas-free-non-wicking-yarn-treatments-a-safer-alternative-for-high-performance-textiles#comments-listing) ****As the textile industry faces rising scrutiny over chemical safety and environmental impact, one group of substances has come under particular fire: PFAS.  Long valued for their ability to impart water- and stain-resistant properties, these “forever chemicals” are now being phased out across global markets. For manufacturers of high-performance yarns, this raises a critical challenge: **how to maintain non-wicking functionality without PFAS.** [Read more](https://www.servicethread.com/blog/pfas-free-non-wicking-yarn-treatments-a-safer-alternative-for-high-performance-textiles) # Older Posts ## [Navigating Tariffs: A Domestic Solution for Textile Manufacturers](https://www.servicethread.com/blog/navigating-tariffs-a-domestic-solution-for-textile-manufacturers) - By [Steve Zande](https://www.servicethread.com/blog/author/steve-zande) - 04/23/25 - [0 Comments](https://www.servicethread.com/blog/navigating-tariffs-a-domestic-solution-for-textile-manufacturers#comments-listing) [![](https://www.servicethread.com/hubfs/Service%20Thread%20Winding.jpg) ](https://www.servicethread.com/blog/navigating-tariffs-a-domestic-solution-for-textile-manufacturers) Recent developments in U.S. trade policy have once again put a spotlight on the vulnerability of supply chains that rely heavily on imported materials—particularly from China. With proposed tariff hikes targeting a wide range of goods, including industrial textiles and raw materials, manufacturers are facing increased pressure to find reliable, cost-effective alternatives closer to home. [Read more](https://www.servicethread.com/blog/navigating-tariffs-a-domestic-solution-for-textile-manufacturers) ## [Break Strength, Elongation, and Shrinkage in Polyester for Industrial Markets](https://www.servicethread.com/blog/the-importance-of-break-strength-elongation-and-shrinkage-in-polyester-yarns-for-industrial-markets) - By [Steve Zande](https://www.servicethread.com/blog/author/steve-zande) - 12/13/24 - [0 Comments](https://www.servicethread.com/blog/the-importance-of-break-strength-elongation-and-shrinkage-in-polyester-yarns-for-industrial-markets#comments-listing) [![](https://www.servicethread.com/hubfs/Blog%20or%20Website%20Images/Service%20Thread%20%202%20%20-5883.jpg) ](https://www.servicethread.com/blog/the-importance-of-break-strength-elongation-and-shrinkage-in-polyester-yarns-for-industrial-markets) Polyester yarns are fundamental to the performance and longevity of a wide range of industrial products. From hose reinforcement to binder yarns for fiber optic cables, tire cords, and industrial fabrics, the success of these applications hinges on achieving the right balance of mechanical properties. Among these critical properties, break strength, elongation, and shrinkage play pivotal roles. Each property serves a distinct purpose, and optimizing one can have a cascading effect on the others. [Read more](https://www.servicethread.com/blog/the-importance-of-break-strength-elongation-and-shrinkage-in-polyester-yarns-for-industrial-markets) ## [Exploring Alternatives to Akra 161 Polyester: Navigating a Changing Landscape](https://www.servicethread.com/blog/exploring-alternatives-to-akra-161-polyester-navigating-a-changing-landscape) - By [Steve Zande](https://www.servicethread.com/blog/author/steve-zande) - 09/05/23 - [0 Comments](https://www.servicethread.com/blog/exploring-alternatives-to-akra-161-polyester-navigating-a-changing-landscape#comments-listing) [![](https://www.servicethread.com/hubfs/2019%20Facility%20Photos/TC2%20Twister%20Cropped.jpeg) ](https://www.servicethread.com/blog/exploring-alternatives-to-akra-161-polyester-navigating-a-changing-landscape) The recent news of [Alfa Group's decision to close its filament polyester production plant in Mexico](https://www.alpek.com/alpek-filament-site/) has sent shockwaves throughout the industry. Companies that once relied on Akra's products are now faced with the daunting task of finding suitable alternatives. While many high tenacity polyester fibers can be readily replaced, the Akra Type 161 presents a unique challenge due to its distinct physical properties. [Read more](https://www.servicethread.com/blog/exploring-alternatives-to-akra-161-polyester-navigating-a-changing-landscape) ## [Best Polyester Type for Your Application](https://www.servicethread.com/blog/best-polyester-type-for-your-application) - By [Service Thread](https://www.servicethread.com/blog/author/service-thread) - 04/07/21 - [0 Comments](https://www.servicethread.com/blog/best-polyester-type-for-your-application#comments-listing) [![](https://www.servicethread.com/hubfs/Blog%20or%20Website%20Images/Home_page_hero_images/20140920ServiceThread1338.jpg) ](https://www.servicethread.com/blog/best-polyester-type-for-your-application) Because continuous multifilament polyester yarns are used in a wide variety of applications and conditions, polyester yarn manufacturers are required to have diverse product portfolios to accommodate them, including yarns in a wide denier range with various physical properties. [Read more](https://www.servicethread.com/blog/best-polyester-type-for-your-application) ## [General Specs: Multifilament Polyester Types Compared](https://www.servicethread.com/blog/general-specs-multifilament-polyester-types-compared) - By [Service Thread](https://www.servicethread.com/blog/author/service-thread) - 01/13/21 - [0 Comments](https://www.servicethread.com/blog/general-specs-multifilament-polyester-types-compared#comments-listing) [![](https://www.servicethread.com/hubfs/Blog%20or%20Website%20Images/20140920ServiceThread0944.jpg) ](https://www.servicethread.com/blog/general-specs-multifilament-polyester-types-compared) Polyester is a category of polymers, and all polyesters share certain characteristics however there are some significant differences in physical properties among all the types of multifilament polyester.  Not all polyesters are the same. [Read more](https://www.servicethread.com/blog/general-specs-multifilament-polyester-types-compared) ## [DuraFiber Multifilament Polyester Alternatives](https://www.servicethread.com/blog/durafiber-multifilament-polyester-alternatives) - By [Service Thread](https://www.servicethread.com/blog/author/service-thread) - 12/04/20 - [0 Comments](https://www.servicethread.com/blog/durafiber-multifilament-polyester-alternatives#comments-listing) [![](https://www.servicethread.com/hubfs/2019%20Facility%20Photos/TC2%20twister%20close%20up.jpg) ](https://www.servicethread.com/blog/durafiber-multifilament-polyester-alternatives) In October 2017 DuraFiber Technologies, previously Performance Fibers, once a leading US supplier of high-tenacity polyester fibers, engineered fabrics, sewing threads and advanced materials, closed its three facilities in the United States DuraFiber produced a number of widely used types of polyester in the United States and the different types are still referenced by companies searching for quality alternatives today.  Many of the available alternatives happen to have more consistent properties with tighter tolerances but this ultimately depends on the type of alternative polyester.  [Read more](https://www.servicethread.com/blog/durafiber-multifilament-polyester-alternatives) ## [Multi-filament Meta-aramid vs. Para-aramid](https://www.servicethread.com/blog/multi-filament-meta-aramid-and-para-aramid-compared-to-polyester) - By [Eric Shippee](https://www.servicethread.com/blog/author/eric-shippee) - 08/27/19 - [0 Comments](https://www.servicethread.com/blog/multi-filament-meta-aramid-and-para-aramid-compared-to-polyester#comments-listing) [![](https://www.servicethread.com/hubfs/20160629ServiceThread00013_WebFile-1.jpg) ](https://www.servicethread.com/blog/multi-filament-meta-aramid-and-para-aramid-compared-to-polyester) Meta-aramid and para-aramid fibers may be similar, but they have some significant differences. To better understand these differences, let’s look at the physical properties of each of these and see how they compare to a commodity high tenacity polyester. [Read more](https://www.servicethread.com/blog/multi-filament-meta-aramid-and-para-aramid-compared-to-polyester) ## [How the Polyester Yarn Supply Chain is Impacted by the U.S. trade war with China](https://www.servicethread.com/blog/how-the-polyester-yarn-supply-chain-is-impacted-by-the-u.s.-trade-war-with-china-part-one) - By [Torry Losch](https://www.servicethread.com/blog/author/torry-losch) - 09/21/18 - [0 Comments](https://www.servicethread.com/blog/how-the-polyester-yarn-supply-chain-is-impacted-by-the-u.s.-trade-war-with-china-part-one#comments-listing) [![](https://www.servicethread.com/hubfs/Service%20Thread%20%202%20%20-5990-1.jpg) ](https://www.servicethread.com/blog/how-the-polyester-yarn-supply-chain-is-impacted-by-the-u.s.-trade-war-with-china-part-one) On September 17th the United States Trade Representative (USTR) Office announced [additional tariffs of 10 percent](https://ustr.gov/about-us/policy-offices/press-office/press-releases/2018/september/ustr-finalizes-tariffs-200) on 5,745 items with an approximate value of $200 billion USD. As most of the world is aware, the Trump Administration and China are in a heated economic battle. [Read more](https://www.servicethread.com/blog/how-the-polyester-yarn-supply-chain-is-impacted-by-the-u.s.-trade-war-with-china-part-one) ## [Polyester Yarn Price Update Part Three: Index Formulas](https://www.servicethread.com/blog/polyester-yarn-price-update-part-three-index-formulas) - By [Torry Losch](https://www.servicethread.com/blog/author/torry-losch) - 07/27/17 - [0 Comments](https://www.servicethread.com/blog/polyester-yarn-price-update-part-three-index-formulas#comments-listing) [![](https://www.servicethread.com/hubfs/Blog_Images/ST-equation-graphic.jpg) ](https://www.servicethread.com/blog/polyester-yarn-price-update-part-three-index-formulas) In [part one](https://www.servicethread.com/blog/polyester-yarn-price-update-part-one-understanding-cost-swings) of this series, I talked about how to understand polyester pricing swings and why rising costs and a dynamic market has thrust the industry into a volatile time. In [part two](https://www.servicethread.com/blog/polyester-yarn-price-update-part-two-understanding-market-spot-and-indexed-pricing), I touched on understanding market, spot and indexed pricing. In this post, I’ll focus on index formulas, particularly once a supplier and client decide to index a price, what does it look like? In general, designing a simple index formula is the best strategy. The difficult part is agreeing to the finer details up front. Both parties must carefully consider the following aspects. [Read more](https://www.servicethread.com/blog/polyester-yarn-price-update-part-three-index-formulas) [All posts](https://www.servicethread.com/blog/all) [Next](https://www.servicethread.com/blog/topic/polyester/page/2) ### CATEGORIES - [Flat Web & Web Slings (14)](https://www.servicethread.com/blog/topic/flat-web-web-slings) - [Wire and Cable (14)](https://www.servicethread.com/blog/topic/wire-and-cable) - [Fabrics & Tarps (13)](https://www.servicethread.com/blog/topic/fabrics-tarps) - [Hose Reinforcement (12)](https://www.servicethread.com/blog/topic/hose-reinforcement) - [Industrial Bags (11)](https://www.servicethread.com/blog/topic/industrial-bags) - [Geotextiles (9)](https://www.servicethread.com/blog/topic/geotextiles) - [Military Specifications (4)](https://www.servicethread.com/blog/topic/military-specifications) - [Community (3)](https://www.servicethread.com/blog/topic/community) ### POSTS BY TOPIC - [Industrial Yarn (43)](https://www.servicethread.com/blog/topic/industrial-yarn) - 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