Heat Resistant 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 Heat Resistant Spandex Yarn

The heat resistant spandex yarn are high performance man made yarns variedly. These are elastic fiber developed with much precision and quality. They are highly used in athletic and dynamic wears for their special features.

How Does Heat Resistant Spandex Yarn Affect Clothing

Heat resistant spandex yarn is used in any consumer or industrial application in which elasticity is desired. Since its inception, this type of fabric has become more and more popular, and these days, it is present in thousands of different types of garments, and it is used by consumers all over the world.

In some cases, pure heat resistant spandex yarn may be used to make incredibly stretchy or fully form-fitting garments. However, this fabric is relatively expensive, which means that these types of garments are quite costly to the consumers of professionals who use them. Instead, it's much more common to see heat resistant spandex yarn woven into other types of textiles.

When heat resistant spandex yarn is added to cotton, this fabric becomes much more elastic, and spandex can also be used to add elasticity to traditionally rigid fabrics like polyester. Even if small amounts of this fabric are added to other textiles, these fabrics become much stretchier; since spandex can stretch up to eight times its original size, the elasticity imparted by adding this fabric to other textiles can be determined by dividing this stretching potential by the percentage in which it is included in a garment.

The most common application for spandex is in fabrics that are form-fitting. It is included in many different types of underwear for men and women, and even if it isn't present in the main fabric of an underwear garment, it is almost always present in the waistband. In fact, heat resistant spandex yarn is found in the waistbands of almost every type of stretch garment.

Spandex is also used in relatively high percentages in cotton and wool socks. Using this fabric in socks helps these garments stay on your feet, and it also facilitates the wearing and removal of socks.
This fabric is highly popular in sportswear. In most types of athletic pursuits, wearing clothes that ride close to the skin is important, so heat resistant spandex yarn is used in swimwear, bicycling apparel, and types of clothing that are used in competitive team sports.

Heat resistant spandex yarn is sometimes used in industrial applications. For instance, it is used in the film industry to make motion capture suits, which are special types of bodysuits that actors wear in front of green screens. Spandex makes it easier to generate realistic 3D characters by making sure that these suits ride close to the bodies of actors.

Production Method of Heat Resistant Spandex Yarn

Spandex, lycra or elastin is a type of synthetic fiber that is very popular due to its good elasticity.
Heat resistant spandex yarns can be produced in the following four ways:
● Melt extrusion
● Reaction spinning
● Solution dry spinning
● Solution wet spinning
All these methods in the first stage include the interaction between monomers in order to produce polymer. When the polymer is formed, fibers are formed during different processes. Currently, more than 94.5% of heat resistant spandex yarns in the world are produced by solution dry spinning.

Two types of flexible macro glycol and stiff diisocyanate can be used as raw materials for producing the main chain of this polymer. This macro glycol can be polyester, polyether, polycarnate or a combination of them. The proposed polymers are long chain polymers with hydroxyl groups at both ends, and their most important feature is their length and flexibility. Diisocyanate has a shorter chain and has an isocyanate group at both ends, which makes it hard and leads to chain strength.

The production steps of this polymer are as follows:

Reaction of polymers: In the first step, macro glycol monomers are combined with diisocyanate in specific proportions. The most common ratio for them is 2:1 (glycol: Diisocyanate). In the dry spinning stage, the prepared prepolymer is combined with a certain amount of diamine, which is called the chain development stage. Then the resulting mixture is diluted with a suitable solvent to obtain a spinning solution.

Production of fibers: The spinning solution is taken out of the openings of the filament maker, and in the meantime, it is heated in an environment containing nitrogen and gaseous solvent, and in this way, the polymer solution becomes solid. Next, in order to reach the desired thickness, the strands are placed together using an air compressor.

Final process: Finally, the fibers are processed using additional materials. Polydimethylsiloxane and magnesium stearate can be mentioned among these compounds. These materials prevent the fibers from sticking together and facilitate the subsequent processes.

Maintenance Guide for Heat Resistant Spandex Yarn Products

As a synthetic fiber, heat resistant spandex yarn is widely used in textiles. In order to extend the service life of heat resistant spandex yarn products, it is necessary for us to understand and master the correct maintenance methods, including cleaning, ironing and storage.

Clean
Cleaning is an important step in keeping heat resistant spandex yarn products clean. When cleaning heat resistant spandex yarn products, first carefully check the cleaning instructions on the washing label, and choose the appropriate water temperature and detergent according to the washing instructions. Generally speaking, heat resistant spandex yarn products are suitable for washing in warm water. Avoid using overheated water to avoid deformation of the fiber. At the same time, choose a neutral detergent and avoid using detergents containing bleach or strong alkaline ingredients to avoid damage to the fiber. In addition, be gentle during the washing process and avoid excessive rubbing to prevent the textile from pilling or deformation.

Ironing
Ironing is an important step in restoring the smooth appearance of heat resistant spandex yarn products. When ironing heat resistant spandex yarn products, you must first check the ironing instructions and choose the appropriate temperature level according to the ironing temperature to avoid overheating and melting and deformation of the fibers. Before ironing, you can properly spray the fiber surface with moisture, and then iron quickly and gently with the iron to avoid local overheating caused by staying too long. In addition, for heat resistant spandex yarn products with special textures or prints, you can place a thin layer of cloth on the inside before ironing to avoid damage to the surface.

Store
Storage is an important step in protecting composite products. When storing heat resistant spandex yarn products, first ensure that the textiles are completely dry to avoid a humid environment that can lead to mold growth. Secondly, fiber products should be arranged flat to avoid obvious wrinkles caused by folding, which will affect the overall appearance. In addition, fiber products can be placed in a wardrobe or storage box with good ventilation to avoid direct sunlight or dust accumulation to maintain the color and texture of the fiber.
Through correct cleaning, ironing and storage methods, we can effectively protect the health and beauty of heat resistant spandex yarn products.

Dyeing of Heat Resistant Spandex Yarn

Spandex, also known as elastane, and often sold under is elastomeric polyurethane. Even in very small proportions, it enables fabrics containing it to stretch. Typical washing instructions for spandex call for avoiding all temperatures about 105°F. Far higher temperatures, up to 140°F (60°C), are used in industrial dyeing of spandex, but are not recommended for home use.

Dyeing cotton/spandex blends
Cotton/spandex blends dye very nicely with cold water fiber reactive dyes. The fiber reactive dyes do not actually dye the spandex, but this is not a problem. If a blend consists predominantly of cotton, with only 3 to 12% spandex, there is rarely any need to attempt to dye the spandex itself, as the spandex is usually covered by the cotton. The advantage of the cool water dye is that there is no need to use boiling hot temperatures to apply the dye. The cold water dye approach is much better than attempting to dye cotton. blends with a hot water dye All-Purpose Dye, because the cool dyeing temperature allows for gentle treatment of the spandex. If you use similarly cool temperatures to preserve the shape of your spandex, the hot-water dye will be unable to make a good bond to the cotton.

Washing of cotton and spandex blend fabric
Clothes manufactured from a blend of cotton and spandex provides the best of all worlds: breathable fabric, stretchy comfort and an affordable price. Used independently in clothing, cotton and spandex usually require different methods of washing and drying, sometimes even dry cleaning. Blended together, cotton and spandex make a fabric that is relatively low-maintenance, but to maintain the longevity of the fabric, certain washing and drying procedures should be followed.
● Separate whites from colored clothes. Wash whites and colors separately to ensure color preservation.
● Wash a load of either whites or colors in the washing machine on the delicate cycle using cold water. Use regular laundry detergent without bleach to wash the clothes.
● Tumble dry the clothes on the delicate setting, unless the tags specifically direct you to line dry or lay the item flat to dry. If you are concerned about shrinkage, then tumble dry the items for a couple of minutes to get the wrinkles out, then hang them to finish drying.

Why Is Heat Resistant Spandex Yarn so Popular

When worn by the right person, spandex can be a real attention getter. The stretchy properties of spandex allow it to stretch out and go right back to its original form. Because it stretches so well, a garment can be made from much less raw material than regular fabric. The fabric is meant to be worn tight and was a great way to flaunt the human form. On the right person, spandex can be an aphrodisiac of sorts. Ironically, spandex can cover a person's entire body and still leave very little to the imagination.
● Spandex can stretch 500 times its original size, without breaking.
● Spandex can be stretched over and over and still contract to its original size.
● Spandex is 85% polyurethane.
● Spandex is more durable than rubber.
● Spandex is white in color in its original form.
● Spandex doesn't pill.Spandex is scratch resistant.
● Spandex is resistant to body oils and sweat.
● Spandex can withstand temperatures up to 480 degrees F (250 degrees C) before melting.

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

FAQ

Q: Is heat resistant spandex yarn heat resistant?

A: Early in the heat resistant spandex yarn development process, it was recognized that this material is highly heat-resistant, which means that notoriously heat-sensitive fabrics like nylon and polyester are improved when combined with heat resistant spandex yarn fabric.

Q: What is the maximum temperature for heat resistant spandex yarn?

A: Fabrics that contain heat resistant spandex yarn can be easily damaged by heat. Typical washing instructions for heat resistant spandex yarn call for avoiding all temperatures about 105°F. Far higher temperatures, up to 140°F (60°C), are used in industrial dyeing of heat resistant spandex yarn, but are not recommended for home use.

Q: Does heat resistant spandex yarn burn or melt?

A: Heat resistant spandex yarn is often blended with other fibres to give fabric stretch. Rather than burning with flame, heat resistant spandex yarn tends to slowly melt and does not shrink away from the fire. Once the flame is extinguished, it continues to melt and gives off a sharp, bitter smell. The ash that remains will be dark black, soft, and sticky.

Q: Is heat resistant spandex yarn good for hot weather?

A: The closer a fabric sits on your skin, the more it will make you sweat. That's why fabrics like denim, nylon, heat resistant spandex yarn and polyester aren't great options for warm-weather outfits. Keep in mind that a tight weave will also trap moisture under your clothes, even if the fabric is lightweight.

Q: Is heat resistant spandex yarn A polyester or cotton?

A: Polyester is a synthetic fiber that is known for its strength, durability, and ability to hold its shape, while elastane (also known as heat resistant spandex yarn or Lycra) is a synthetic fiber known for its elasticity and stretchiness.

Q: What are the different types of heat resistant spandex yarn?

A: Two classes of heat resistant spandex yarn are defined by the "macrodiols". One class of macrodiols is the oligomer produced from tetrahydrofuran (i.e. polytetrahydrofuran). Another class of diols, the so-called ester diols, are oligomers derived from condensation of adipic acid and glycols.

Q: What is the melting point of heat resistant spandex yarn yarn?

A: Heat resistant spandex yarn fibers are damaged at high temperature. The melting temperature for heat resistant spandex yarn is about 240°C. high temperature from washing bath and dryer causes more heat resistant spandex yarn breakage.

Q: How does heat resistant spandex yarn react to fire?

A: Heat resistant spandex yarn: It burns and melts, but does not shrink from the flame. It has a chemical type odor. Its residue is a soft black ash.

Q: Is heat resistant spandex yarn heat sensitive?

A: Heat: heat resistant spandex yarn fabric is sensitive to heat and may shrink or lose elasticity if exposed to high temperatures during washing or drying. Limited Breathability: Pure heat resistant spandex yarn fabric may have limited breathability, which can lead to discomfort in hot and humid conditions.

Q: What is the degradation temperature of heat resistant spandex yarn?

A: The degradation starts at about 300 °C, as is known for PU, at about 400 °C the degradation of PA 6 starts, and ends at 470 °C, when a plateau starts and lasts until 650 °C, which is known for PET, for which the last 15-17% of weight loss usually occurs in a temperature range higher than 650 °C.

Q: Can you put heat resistant spandex yarn in hot water?

A: Heat resistant spandex yarn is sensitive to high temperatures, which can cause it to shrink and lose its elasticity. To prevent this, always wash your heat resistant spandex yarn clothes in cold water and use the gentle or delicate cycle on your washing machine. You can also hand wash them if you prefer, but avoid wringing or twisting them too much.

Q: Does heat destroy heat resistant spandex yarn?

A: Any heat resistant spandex yarn or heat resistant 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: Can you put heat on heat resistant spandex yarn?

A: Lycra, heat resistant spandex yarn, and elastane are in yoga pants, leggings, compression wear, swimsuits, and socks. If decorating with a heat transfer product, the magic temperature to prevent scorching on these materials is typically 300 degrees F.

Q: What is the heat setting of heat resistant spandex yarn?

A: Typically, the temperature is set to around 160-180°C (320-356°F) for heat resistant spandex yarn fabrics. The exact temperature may vary based on the fabric's composition and requirements. The humidity level is usually kept relatively low to prevent overstretching of the heat resistant spandex yarn fibers.

Q: Is 95% cotton and 5% heat resistant spandex yarn stretchy?

A: This material is blended with the cotton fibres to create a cotton heat resistant spandex yarn fabric with an exceptionally high stretchability. Notably, this blend is manufactured with around 95% cotton and 5% Lycra or heat resistant spandex yarn. Comfortable, easy to wear, soft, and stretchable are just some reasons why heat resistant spandex yarn is so popular.

Q: Why is heat resistant spandex yarn so expensive?

A: Elastane has an inherently higher value than similar synthetic fabrics, such as polyester and rayon, due to its elasticity. The production process used to make this fabric is also relatively involved, which further raises its price.

Q: Is heat resistant spandex yarn a knit or woven fabric?

A: Heat resistant spandex yarn is a very elastic fibre. It can be used when making a woven or a knit fabric. A woven fabric with heat resistant spandex yarn 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: What are the uses of heat resistant spandex yarn in textile?

A: Heat resistant spandex yarn fabrics are mostly used in garments where comfort and fit both are required like hosiery, swimsuits, exercise wear, socks, surgical hose, undergarments, gloves, cycling shorts, wrestling suits, rowing suits, specialized clothing like zentai suits, motion capture suits, denims, etc.

Q: What is the process of making heat resistant spandex yarn yarn?

A: Production Process of heat resistant spandex yarn Fibers. heat resistant spandex yarn fibers are created in several ways such as melt extrusion, solution dry spinning, reaction spinning and solution wet spinning technique. These techniques include the first step of reacting monomers to make a pre-polymer.

Q: Why is heat resistant heat resistant spandex yarn yarn so popular?

A: When worn by the right person, heat resistant spandex yarn can be a real attention getter. The stretchy properties of heat resistant spandex yarn allow it to stretch out and go right back to its original form. Because it stretches so well, a garment can be made from much less raw material than regular fabric. The fabric is meant to be worn tight and was a great way to flaunt the human form. On the right person, heat resistant spandex yarn can be an aphrodisiac of sorts. Ironically, heat resistant spandex yarn can cover a person's entire body and still leave very little to the imagination.
● heat resistant spandex yarn can stretch 500 times its original size, without breaking.
● heat resistant spandex yarn can be stretched over and over and still contract to its original size.
● heat resistant spandex yarn is 85% polyurethane.
● heat resistant spandex yarn is more durable than rubber.
● heat resistant spandex yarn is white in color in its original form.
● heat resistant spandex yarn doesn't pill.heat resistant spandex yarn is scratch resistant.
● heat resistant spandex yarn is resistant to body oils and sweat.
● heat resistant spandex yarn can withstand temperatures up to 480 degrees F (250 degrees C) before melting.

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

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