Spandex Fibre: 7 Things You Need to Know About

Spandex Fibre is something that is being hailed as the fiber of the future. It is not a new type of fiber but its new uses have been discovered lately and it is becoming more and more mainstream. Spandex Fiber is being used for creating multiple products including clothes, sheets, furniture covers, sportswear, and a lot of other products. Here are seven things that you need to know about the Spandex Fiber or Lycra, elastane. 

The fiber of Future:

It is being considered the fiber of the future but it is a product that was created back in the 19th century by DuPont, which is an American manufacturer. This fiber has many amazing characteristics that make it a potential candidate for the future of fiber.

Durable and Long Lasting:

This fiber is one of the most durable, and long-lasting fibers. For that reason, it is being used for the creation of durable, and long-lasting dresses. Most of this production happens in China and India, but it is also being used for creating wearables in Pakistan, the United States, and some South American countries as well. 

Breathable –  Allows Air To pass:

This fiber is not just a durable, and long-lasting product, but also a breathable one. For that reason, it makes a great choice for not just wearables, but also seat cushions, and furniture covers for home products. This fiber has so much elasticity that you can scratch it to create breathable portions on the fiber. These elastic parts are used for breathable wearables and covers.


Good For Sports Wear:

Spandex Fiber has become a favorite choice of many international sportswear manufacturing brands. This is because it allows the brands to create more comfortable, easy, and durable sportswear of high quality. Clothes made of Spandex Fiber are being worn by almost every major franchise player in the world. The lightweight fiber feels very comfortable when wearing and that has contributed towards the popularity of this fiber. 

Super Stretchable:

It is a type of fiber that is made of polyester, which is known for being highly stretchable. Similarly, this is also a super flexible and stretchable fiber that you can wear, and use for other purposes. Its stretchability allows the sportswear brands to create more breathable shirts, underpants, sports bras, and more products. Also, the super stretchability and elasticity of this fiber are very useful in making a lot of things. 

Multiple Uses:

The use of spandex fiber is not just limited to sportswear. It can be used for making a lot of products. You can create virtually any product that has needs like stretchability, breathability, and durability. For example, apart from sportswear, this fiber is being used for making seat cushions, and furniture covers. There are many similar examples of the uses of Spandex Fiber.

Lighter and Versatile:

This is also a very versatile and lighter product. It is virtually weightless as compared to polyester, and other stretchable products. This stretchability and weightlessness make it suitable for creating a ton of products. These were the seven most important things that you needed to know about the spandex fiber to better understand it, and why it is popular or why it is used. You should know that there are also multiple types of spandex fiber. Three types of it are more popular as compared to others. These include Spandex, Elastane, and Lycra. Spandex is a trademarked product, meanwhile, elastane is the most common name in Europe, meanwhile, the Lycra is a trademark sign that is owned by the creators of Spandex, the DuPont Corporation.

Also Read:  How Is Cotton Hosiery Yarn Made?

Properties of Elastane Fabric and How it’s Made?

Elastane is a fabric, and it is also known as Spandex or Lycra. Elastane and Lycra are commonly used in Europe, the UK, Australia, and the Middle East; however, Spandex is commonly used in the North American region.

It is a lightweight, synthetic fibre commonly used to make clothing such as sportswear. Elastane is primarily made up of long-chain polymers called polyurethane, which is present up to 85%. Elastane has an amazing stretching ability, and it also comes back to shape when released. The fibres are strong and versatile, normally lighter than rubber, making them superior.

Production of Elastane

Production of this fibre generally consists of six steps and three phases. Elastane can be made in 4 different ways, and they include melt extrusion and reaction spinning, solution dry spinning, solution wet spinning, and last one is solution drying spinning and solution mixing.

The three phases involved in making this fabric include polymer reaction, fabricating the fibre, and the final processing. Most of the production methods are considered inefficient, which is why dry spinning solution is better and frequently used to produce approximately 95% of the world’s elastic supply.

The process starts with producing a polymer that functions as the basis for forming elastane fabric. This step is accomplished by mixing macro-glycol with a diisocyanate monomer in a particular type of vessel.

When the conditions are favourable, these two chemicals interact with each other to form a prepolymer. You should maintain the ratio between these two substances, and this is the most critical step; most commonly, a glycol to diisocyanate ratio of 1:2 is used. After using the dry spinning process, the prepolymer is then reacted with a diamine acid, and this is done by a method known as a chain extension reaction. Later on, this solution is diluted with the solvent making it easy to handle.

Then, it is placed inside a fibre production cell—the cell Spence for producing fibres and covering the elastane material. The mixture is pushed through a spinneret, a device similar to a showerhead and has many tiny holes.

Converting the solution into fibres which are later on heated with nitrogen and solvent gas solution. It is done for performing a chemical reaction that forms liquid polymers into solid strands. They have then collected altogether as they leave the cylindrical spending cell and are compressed also.

Fibres get twisted and converted into different thicknesses and can be used in clothing and other applications. In addition, magnesium stearate or a different polymer is also used to treat the elastic material as a finishing agent. It is mainly done to prevent the fibres from sticking with each other.

Then the fibres are transferred to a spool where they are dyed or woven. Properties of Elastane Important characteristics of this fabric are that it is extremely lightweight, smooth, soft, and that is why it is used in making clothes, particularly sportswear. In closing, this fibre prevents sagging and bagging and is also very scratch-resistant. The fibre is very strong, durable, and more stretchable than rubber.



Elastane is very resistant to damage by body oils, lotions, sweat, or detergent, so the outfits are made up of fabric we use for strenuous exercise. The most amazing ability of the fibre is that you can stretch it repeatedly, and it can recoil very easily to the original shape.

You can dye elastane very easily and in different colours of your choice. Elastane is widely used in making athletics sportswear, including swimwear, exercise wear and cycling suits. It is also used for making accessories like belts and gloves, socks and tights. In addition to this, you can also find skinny jeans, shorts, ski pants, and yoga leggings made up of elastane in the market.

Read More: Is Spandex The Same As Neoprene?

Core-spun Yarn in Denim

We all look for that one perfect pair of jeans in our wardrobes. And what makes it irreplaceable for us is its fit and comfort. And not just that. Today, apart from clothing, we see the use of denim in multiple industries, such as home decor, stationery pieces, and car furnishing. We have witnessed denim go from non-stretchable cotton fabric to highly flexible core-spun denim. Yes, that’s right. Pure denim is a hundred percent cotton fabric. Remember the jeans from the early 2000s? They mostly comprised pure denim.

The use of core-spun yarns in denim made denim more flexible and expanded its applications across industries. It has two components. The inner component is a core made of continuous filament yarn, usually spandex, and an outer spun yarn sheath covering the yarn core. The use of spandex as the yarn core imparts sought-after properties such as stretchability, durability, better resistance against breakage, among others. Here are some of the benefits of adding core-spun yarn to denim:

  1. Adds to flexibility and stretchable: Pure cotton is not stretchable, and it tends to shrink after washing. However, comfort is a crucial element in day-to-day use, and if we bring comfort into the equation, we require flexibility and stretchability. Spandex is a highly stretchable fabric. It can stretch to over five times its original length. So, adding a core-spun yarn with spandex at the core makes the denim fabric flexible and much more comfortable to wear.
  • Adds to breaking force: Cotton is a staple fiber. So, whenever it faces friction, it tends to break off easily. It results in the tearing of the fabric. As discussed, spandex adds to the elongation properties. So, if the denim has some amount of core-spun yarn in it, the chances of tearing off on facing friction reduces. It reduces the chances of filamentation and enhances the fabric’s durability that is crucial in shoes, jeans, seat covers, and nearly everything made from denim.
  • Adds to shape recovery: Pure cotton denim comes with the risk of losing shape, especially around the areas that often move, like the knees. We all have faced bagging of jeans around the knees, and that might spoil the look of the entire attire. Well, not anymore. Spandex recovers or changes the shape as soon as the movement regains or changes its position, respectively. So, adding a core-spun yarn containing spandex not only takes care of flexibility but also easy recovery.
  • Adds to wicking ability: Wicking means transportation of moisture within the fabric. The faster the movement of water moisture, the more is the wicking ability. Spandex has a high wicking ability, and it enhances the same for the denim it is added to in the form of core-spun yarn. So, adding these yarns containing spandex makes jeans a good choice for humid or summery weather too.

These were a few properties that the use of core-spun yarns enhances in denim. A point to note here is that the properties that core-spun yarns impart to denim largely depend on the quality of spandex used. We, at Inviya, manufacture 4th generation spandex which is suitable for manufacturing core-spun yarns owing to its better elongation, better frictional properties, high heat resistance, and high stretch power.

Application of Core Spun Yarn

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In the apparel and garment industry, denim has been a huge attractiveness with excessive capacity that makes use of it a stylish fashion everywhere. Fabrics used for denim are flexible and durable.

Denim marketplace has an awesome marketplace length at the cost of $57,312. Five million and it’s far has predicted that the denim marketplace could have an annual boom price of about6.4% as time passes by.

The denim region with the biggest contribution price to the worldwide sales with better foremost merchandise many people of all age groups will be predicted to retain in developing within the destiny jean marketplace.

With a lot of preference, the denim region has to continuously evolve the material homes to fulfill client wishes consisting of flexibility, form preservation, abrasion resistance, as well as snug to put to use in any respect times. High aggressive capacity in this region pushes the agencies to provide possibilities of various fibers; practical yarns use that makes contributions to material homes.

Core Spun Yarn is a type of fabric that is mostly used to create the majority of denim apparel. Core spun yarns are a type of fabric that is typically made by wrapping a staple polyester or cotton wrapper around a non-stop filament package deal of polyester fibers at some point of spinning, then plying those yarns into a stitching thread. The non-stop filament polyester middle makes up about 60% of the thread construction.


Why Use Core-Spun Yarn?

Core spun yarn is one of the finest fabrics out there. There are several superior fabric properties that core-spun yarn possesses, which makes it a perfect fabric to use in denim. These properties include:

  • High level of tenacity, which means higher strength per length
  • The strength, size, and other physical characteristics are uniformly distributed.
  • A better preliminary modulus or resistance to stretching contributing to higher loop formation and decreased seam puckering.
  • Superior abrasion resistance & durability
  • Better ply security – less unravel-type thread breaks.

The manufacturing of fabrics like Core-spun yarns is mostly accomplished efficiently through numerous systems used to spin the fabric continuously. Each gadget has its own personal features. The traditional ring spinning, easiest and economic systems; however, the middle positioning within the center is often seen to be a bit on the tough side. Most importantly, in the next technique, strip lower back trouble may also rise, and the middle filaments get tangled up. Nevertheless, the middle positioning may be set appropriately and mostly used to supply the commercial yarns.

Applications of Core-Spun Yarn

There are numerous applications of core-spun yarn. As threads, it can be used in leather products, mattresses, and quilts such as women’s shoes, handbags, etc. The immense strength and durability make the core-spun yarn used widely in rice bags too. There are various spinning methods of the core-spun, such as self twist spinning, vortex spinning, electrostatic spinning, ring spinning.

How are Such Yarns Made?

Core Spun Yarn threads are made by spinning 100% Polyester staple fibers into yarns, after which plying those yarns into a stitching thread. Spun Polyester threads are usually made in or three-ply structures relying on the yarn size. As a result, spun polyester threads normally have an awful lot less single give up breaking energy than this particular type of Yarns. Dual core-spun yarn, made with its own twist, is changed into a ring spinning gadget, which changed into the design using a further gear for facilitating each fiber feeding simultaneously.  core-filament-yarnNext, each PET filament is pushed with the aid of using an advantageous feed curler separately. These additives are then made to enter the nip factor through a V-grooved curler, and each time, cotton fibers are passed in such a way that cover up those additives.

  The most common approach of core-spun yarn manufacturing is via way of integrating and combining several filament packages in the shape of a ring. A spool of filament opens up on its own to enter into the filament into the tip of the drafting rollers present on the front. This method is mostly used to supply polyester or cotton stitching threads. 

To produce yarns that are made stretch-to-match garments, a filament that is elastomeric is passed below. The need for such a filament yarn within the center, including cotton fiber, is broadly utilized in garb applications. Some latest trends encompass the usage of multiple center filaments included via means of cotton.

The Best Ways To Style Your Denim Jeans This Holiday Season

StretchDenimThe holiday season is commonly a really packed social calendar, so what to put on is the pinnacle of mind. With a lot on the agenda, it is a laugh time of 12 months to get a touch playful together along with your non-public fashion. 

Jeans, or cotton spandex denim, are arguably one of the most flexible and long-lasting clothes in any wardrobe. They are available in myriad exclusive hues, shapes, sizes, styles – you call it. And even as it’s smooth to pair your preferred denim with an image tee for an informal look, identifying the way to get dressed up denim as a way to lead them to ideal for any event takes a touch bit of extra creativity. 

Luckily, there are such a lot of road fashion mavens, style bloggers and influencers who’ve cracked the code for us. So, during our occasional loss of sartorial imagination, we are able to flip to those fashionistas and allow them to encourage us with their effects of cool and conventional ensembles.

Ways to Dress and Style Up with Jeans:

Keep the appearance easy together, along with your preferred snug striped top. Wear snug heels and your preferred clutch. One of the very best approaches to get dressed up a traditional pair of black thin denim and cotton spandex denim is with a sublime blazer. So have a few laughs with it and pick out a sample in place of a strong for a touch little bit of an assertion this season. This is an exceptional manner to boost an easy white tee, too.

DenimSpandexFabricThe system of a dressy jacket plus tapered-leg light-wash denims is constantly an awesome idea. This appearance is a tasteful nod to the ’80s, and we’re definitely right here for it. To play up the female factor, strive for a luxe velvet hair bow and knee-excessive boots.DenimPuff-sleeved pinnacle is a laugh manner to feature a bit of aptitude to any cotton spandex denim look. If you’ve been given a couple of longer denim in your closet, strive to include a puffy sleeve and dependent lower back for a clean and polished ensemble. Add in a few heels or heeled booties for even greater elegant vibes.CottonSpandexDenimSlim fit denim may be worn with the entirety from equipped tees to collared shirts and informal suits. Men with longer legs may also discover that slender denim is tighter around their calves or thighs. If that is the case, you could pass up a size – simply make certain to modify the hem and duration accordingly. These also are famous these days, so locating a couple of reasonably-priced denim in slender reduction shouldn’t be too hard. Given the extra tailor-made appearance of thin jeans, they’re favored for extra clever informal looks. Think thin jean combinations with knitwear, collared shirts, and informal blazers and ties. They also can paint with extra informal portions like an easy tee and bomber jacket. Conclusion: Holidays are the perfect time to socialise with people. When you do so, you wish to look the absolute best. Wearing denim is one of the most comfortable attire one can go for. There are different ways one can style denim wear. Here in this article, We talked about four such ways of designing and styling ourselves while wearing denim. Read More: The 10 Most Comfortable Denim that Offers Overarching Confidence & Energy