Warp Knitting Spandex Yarn

Why Choose Us?

Rich experience

Xiamen Lilong Spandex Co., Ltd was established in 2003, It specializes in the R&D and production of high-tech specialty fibers.

 

High quality

The company introduced complete sets of continuous spinning production technology. High-temperature resistant, high-rebound, chlorine-resistant, phenol-resistant, and other differentiated spandex yarn from 12D to 1680D.

Technological innovation

Over the years, Lilon has fully utilized its talent and technological advantages, continuously exploring and innovating in the field of high-tech special fibers. It independently developed high-temperature resistant, high-rebound, chlorine-resistant, phenol-resistant, and other differentiated spandex with stability.

High quality service

Adhering to the spirit of "unity, positivity, development, and innovation", the company persists in the management policy of "promoting customer satisfaction with quality and meeting customer needs with innovation", winning customers and selling well worldwide.

 

What Is Warp Knitting Spandex Yarn

 

Warp knitting spandex yarn is similar to that of a woven fabric in that yarns are supplied from warp beams. The fabric is produced, however, by intermeshing loops in the knitting elements rather than interlacing warps and wefts as in a weaving machine. Warp knitting spandex yarn is knitted at a constant continuous width. This is achieved by supplying each needle with a yarn (or yarns) and all needles knit at the same time, producing a complete course (row) at once. It is also possible to knit a large number of narrow width fabrics within a needle bed width to be separated after finishing. In comparison with weft-knit structures, warp knits are typically run-resistant and are closer, flatter and less elastic.

Benefits of Warp Knitting Spandex Yarn

 

Here are some of the benefits of warp knitting spandex yarn:

 

Comfortable fit: Warp knitting spandex yarn provides a snug fit that moves with the body, offering excellent comfort for everyday wear, activewear, and other clothing items that require some stretch.

 

Stretch and flexibility: The addition of spandex fibers to cotton adds flexibility and elasticity to the fabric, allowing it to stretch without losing its shape or becoming baggy.

 

Breathability: Warp knitting spandex yarn is breathable and moisture-wicking, making it ideal for clothing that requires breathability and comfort, such as activewear and underwear.

 

Durability: Warp knitting spandex yarn is durable and can withstand regular wear and tear, making it a practical choice for everyday clothing items that need to last.

 

Easy care: Warp knitting spandex yarn is easy to care for and can be machine-washed and dried, making it a practical choice for busy lifestyles.

 

Variety: Warp knitting spandex yarn is available in a wide variety of colors, designs, and patterns, allowing for a wide range of clothing options to suit individual preferences and styles.

 

Versatility: Warp knitting spandex yarn is versatile and can be used for various clothing items, including leggings, t-shirts, jeans, and activewear, as well as for home decor and upholstery.
Warp knitting spandex yarn offers excellent comfort, stretch, flexibility, breathability, durability, easy care, variety, and versatility, making it a popular and practical choice in the clothing industry.

What Are the End Uses of Spandex
 

Apparel: The elastic property of spandex has made it a popular fabric in the apparel and is used for making foundation garments, hosiery, swimwear, sportswear, socks, gloves, cycling shorts and motion capture suits.
The spandex fabric has the ability to stretch by almost eight times its original size. The fabric is quite frequently used for clothing designed for cyclists and runners as it possesses the property that makes it resistant to wind.

 

Home textiles: Spandex is an emerging fiber in the home textiles sector and is used for making fitted bedsheets, microbeads for pillows, table and chair covering.

 

Medical textiles: Spandex has now replaced latex in the medical sector and is used for making rubber tubing, compression stocking and surgical hose hoses, knee or back braces, diapers and bandages.

Chemical Properties of Warp Knitting Spandex Yarn
 

Acid: Good resistance to most of acids unless exposure is over 24 hours.

 

Alkalis: Good resistance to most of the alkalis, but some types of alkalis may damage the fiber.

 

Organic solvents: Offer resistance to dry cleaning solvents.

 

Bleaches: Can be degraded by sodium hypo-chloride. Chlorine bleach should not be used.

 

Dyeing: A full range of colors is available. Some types are more difficult to dye than others.

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How to Properly Care for Warp Knitting Spandex Yarn

 

 

The good news is that warp knitting spandex yarn doesn't shrink when you care for it properly. Here are some top tips to follow to make your fabric last long and ready for any party.


When washing your warp knitting spandex yarn, always make sure to use cold water and mild detergent. The standard hot water cycle at any washing machine can easily reach temperatures that shrink your fabric. Make sure to use a cold cycle.


Will warp knitting spandex yarn shrink in the dryer? The short answer is yes if you use a heat setting that is too high. Upon drying your fabric, use the lowest heat setting on your dryer. You can also opt to air-dry your material. However, make sure to place it in a shaded area. Avoid prolonged exposure to direct heat and sunlight.


When ironing your fabric, use the lowest heat setting to avoid shrinkage. You can use a press cloth to minimize heat exposure. You can also opt to use a steam iron. Just make sure to hold the nozzle a few inches away from your fabric to avoid heat damage.

 
Characteristics of Warp Knitting Spandex Yarn

Warp knitting is a method in which the yarns or threads run vertically or parallel to the length of the fabric. In warp knitting, each needle in the knitting machine is responsible for handling a separate thread. The yarns interlock vertically, forming loops that interconnect to create the fabric structure. Here are some key characteristics of warp knitting spandex yarn:

 

Stability: Warp knitting spandex yarn is generally stable and has less stretch compared to weft knit fabric. It has a good resistance to unraveling or fraying, making it suitable for applications where stability is essential, such as in lingerie, upholstery, or technical textiles.

 

Drape: Warp knitting spandex yarn tends to have a relatively stiff or firm drape due to its structure. It may not drape as fluidly as weft knit fabric, which can affect its suitability for certain apparel applications.

 

Width: Warp knitting spandex yarn is typically produced in wide widths on specialized warp knitting machines. This allows for efficient production and the creation of seamless or large-scale fabric panels.

 

Texture: Warp knitting spandex yarn often has a distinct texture, which can vary depending on the yarns used, the stitch pattern, and the finishing processes applied. It can have a smooth, ribbed, or textured surface.

 

Run resistance: Warp knitting spandex yarn is less prone to runs compared to weft knit fabric. If a yarn is broken or pulled out, the loops in warp knitting spandex yarn remain intact, limiting the spread of damage.

 

Common examples of warp knitting spandex yarns include tricot, raschel, and milanese. These fabrics find applications in lingerie, swimwear, sportswear, automotive textiles, and industrial fabrics.

What Type of Yarn Is Warp Knitting Spandex Yarn

 

70D(70505)氨纶纱AA级

Warp knitting spandex yarn or elastane is a synthetic fiber known for its exceptional elasticity. It is stronger and more durable than natural rubber. Because of its elasticity and strength (stretching up to five times its length), warp knitting spandex yarn has been incorporated into a wide range of applications.


Warp knitting spandex yarn is found in apparel and clothing articles where stretch is desired, generally for comfort and fit, such as active wear, swimwear, fashion apparel, hosiery, denims, socks, and shaped garments. A benefit of warp knitting spandex yarn is its significant strength and elasticity and its ability to return to the original shape after stretching and faster drying than ordinary fabrics. For clothing, warp knitting spandex yarn is usually mixed with cotton or polyester and accounts for a small percentage of the final fabric, which therefore retains most of the look and feel of the other fibers.

Function of Warp Knitting Spandex Yarn

 

 

The exceptional elasticity of warp knitting spandex yarn increases the clothing's pressure comfort, enhancing the ease of body movements. Pressure comfort is the response towards clothing by the human body's pressure receptors (mechanoreceptors present in skin sensory cells). The sensation response is affected mainly by the stretch, snug, loose, heavy, lightweight, soft, and stiff structure of the material.


The elasticity and strength (stretching up to five times its length) of warp knitting spandex yarn has been incorporated into a wide range of garments, especially in skin-tight garments. A benefit of warp knitting spandex yarn is its significant strength and elasticity and its ability to return to the original shape after stretching and faster drying than ordinary fabrics. For clothing, warp knitting spandex yarn is usually mixed with cotton or polyester, and accounts for a small percentage of the final fabric, which therefore retains most of the look and feel of the other fibers.

 
Our Factory

Xiamen Lilong Spandex Co., Ltd was established in 2003, It specializes in the R&D and production of high-tech specialty fibers. Lilong company is the first spandex manufacturer in Fujian Province, which currently has more than 500 employees, with a total asset of 800 million yuan and covers an area of 130,000 square meters.
The company introduced complete sets of continuous spinning production technology. In May 2005, it officially commenced production, with an annual production capacity of 30,000 tons, The production line covers the main specifications ranging from 12D to 1680D. Over the years, Lilon has fully utilized its talent and technological advantages, continuously exploring and innovating in the field of high-tech special fibers. It independently developed high-temperature resistant, high-rebound, chlorine-resistant, phenol-resistant, and other differentiated spandex with stability. These products are widely used in textiles, clothing, woven tapes, and sanitary materials. Adhering to the spirit of "unity, positivity, development, and innovation", the company persists in the management policy of "promoting customer satisfaction with quality and meeting customer needs with innovation", winning customers and selling well worldwide.

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Certificate

 

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FAQ

Q: What is warp knitting spandex yarn?

A: Warp knitting spandex yarn is similar to that of a woven fabric in that yarns are supplied from warp beams. The fabric is produced, however, by intermeshing loops in the knitting elements rather than interlacing warps and wefts as in a weaving machine. Warp knitting spandex yarn is knitted at a constant continuous width. This is achieved by supplying each needle with a yarn (or yarns) and all needles knit at the same time, producing a complete course (row) at once. It is also possible to knit a large number of narrow width fabrics within a needle bed width to be separated after finishing. In comparison with weft-knit structures, warp knits are typically run-resistant and are closer, flatter and less elastic.

Q: What is the greatest advantage of warp knit?

A: In general, warp fabrics are stronger than warp as the yarns are tightly knotted. Warp is faster than warp and flat knitting, which makes it more likely for commercial knitting fabrics. Warp knitting represents the fastest method to produce fabric from yarn. The exceptional elasticity of warp knitting spandex yarn increases the clothing's pressure comfort, enhancing the ease of body movements. Pressure comfort is the response towards clothing by the human body's pressure receptors (mechanoreceptors present in skin sensory cells). The sensation response is affected mainly by the stretch, snug, loose, heavy, lightweight, soft, and stiff structure of the material.
The elasticity and strength (stretching up to five times its length) of warp knitting spandex yarn has been incorporated into a wide range of garments, especially in skin-tight garments. A benefit of warp knitting spandex yarn is its significant strength and elasticity and its ability to return to the original shape after stretching and faster drying than ordinary fabrics. For clothing, warp knitting spandex yarn is usually mixed with cotton or polyester, and accounts for a small percentage of the final fabric, which therefore retains most of the look and feel of the other fibers.

Q: Does warp knitting spandex yarn last long?

A: Elastane clothing is extremely durable when correctly washed. The fabric can withstand constant washing in cold water, so don't worry that you're washing it too much. Tight-fitting warp knitting spandex yarn workout gear requires cleaning with every use, but you may be able to wear looser items two to three times before washing.

Q: Does heat destroy warp knitting spandex yarn?

A: Any warp knitting spandex yarn or warp knitting spandex yarn like material such as elastic or elastian will break down if exposed to the heat of a dryer. That is why all things containing things as elastic like material should be air dried or dried on a gentle cycle.

Q: Is spandex a knit or woven fabric?

A: Spandex is a very elastic fibre. It can be used when making a woven or a knit fabric. A woven fabric with spandex in it will still behave like a woven fabric except the fibres themselves will stretch. A great example of this is stretch denim jeans.

Q: Is warp knitting spandex yarn better than cotton?

A: Cotton is a natural fabric that is soft, breathable, and easy to care for, while spandex is a synthetic fabric that is highly stretchy and elastic, but less durable. So, if you're looking for a stretchy fabric with good recovery, spandex may be the way to go.

Q: What does hot water do to warp knitting spandex yarn?

A: Use cold water: warp knitting spandex yarn fabric is best washed in cold water. Hot water can weaken the elastic fibers, leading to loss of stretch and shape retention. The cold water helps preserve the integrity of the fabric while still effectively removing dirt and stains.

Q: What is the daily use of warp knitting spandex yarn?

A: Versatility: Cotton spandex fabric is versatile and can be used for various clothing items, including leggings, T-shirts, jeans, and activewear, as well as for home decor and upholstery.

Q: Is warp knitting spandex yarn more stretchy than elastane?

A: Elastane and warp knitting spandex yarn are technically the same, composition and function-wise. Both are man-made fibers containing polyurethane (PU) and polyethylene glycol. Such chemical composition lends them their phenomenal elasticity. They can stretch up to 600% of their original length and recover without bagging or sagging.

Q: How do you make warp knitting spandex yarn?

A: Manufacturing process of spandex: Spandex fibers are manufactured in four different ways- melt extrusion, reaction spinning, solution dry spinning, and solution wet spinning. The initial step in all these methods is that of reacting monomers to produce a pre-polymer.

Q: Does warp knitting spandex yarn shrink in cold water?

A: The good news is that warp knitting spandex yarn doesn't shrink when you care for it properly. Here are some top tips to follow to make your fabric last long and ready for any party. When washing your warp knitting spandex yarn, always make sure to use cold water and mild detergent.

Q: What are the positive effects of warp knitting spandex yarn?

A: Advantages: Lightweight and comfortable to wear, resistant to perspiration, has great elasticity, and is durable and strong.

Q: What is the purpose of warp knitting spandex yarn?

A: Warp knitting spandex yarn is a lightweight, soft smooth synthetic fiber that has a unique elasticity. Due to its elastic property, it is used in making stretchable clothing. It is also known as 'elastane' in Europe and many other parts of the world.

Q: Why is warp knitting spandex yarn important to humans?

A: It is light and has high moisture wicking ability. It is also extremely stretchable and doesn't lose its elasticity with frequent use. What makes it the fabric of choice for athletes and gymnasts is it's low heat retention property and perfect body fitting ability without creating any pressure or tightness.

Q: What are the different types of warp knitting spandex yarn?

A: Warp knitting spandex yarn fabric can be woven in four ways. These are bare, core-spun, covered, and twisted yarn. Furthermore, yarn wholesale suppliers should consider the fabric style and wearing prerequisites when selecting warp knitting spandex yarn. Thick stretch fabrics include stretch corduroy, stretch tarpaulin, stretch sturdy, etc.

Q: What is the denier of warp knitting spandex yarn?

A: The common deniers for warp knitting spandex yarns range from 10 denier to 1,680 denier. At one point, some manufacturers of warp knitting spandex yarn made a denier past 5,000 denier. warp knitting spandex yarn yarns are used in a wide range of textile applications. warp knitting spandex yarn yarns can be direct knit into a fabric.

Q: Can you dry warp knitting spandex yarn in the dryer?

A: Warp knitting spandex yarn: warp knitting spandex yarn does not react well to heat, and therefore putting full warp knitting spandex yarn clothing, such as a bathing suit or leggings, into the dryer will caused the fabric fibres to weaken and break. Clothing that contains a small amount of warp knitting spandex yarn material, such as jeans, could be okay to put in the dryer.

Q: What is the melting point of warp knitting spandex yarn?

A: Spandex fibers are damaged at high temperature. The melting temperature for spandex is about 240°C. high temperature from washing bath and dryer causes more spandex break.

Q: What is the composition of warp knitting spandex yarn?

A: Chemical route to polyurethane polymer used in production of spandex. Spandex is mainly composed of a polyurea derived from the reaction of a diol and a diisocyanate. Two classes of spandex are defined by the "macrodiols".

Q: What happens if you heat warp knitting spandex yarn?

A: The high temperatures required for heat transfer can potentially damage the spandex material, causing it to melt or lose its elasticity. Therefore, while it is technically possible to use heat transfer on spandex, it is generally not recommended due to the risk of damaging the material.

As one of the most professional warp knitting spandex yarn manufacturers and suppliers in China, we're featured by quality products and competitive price. Be free to wholesale bulk discount warp knitting spandex yarn from our factory. Contact us for customized service.

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