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Kevlar vs. Twaron: What's the Difference?

By Janet White || Published on February 22, 2024
Kevlar and Twaron are both high-strength synthetic fibers, with Kevlar known for its use in ballistic and stab-resistant body armor, while Twaron offers similar properties but is produced by a different company.

Key Differences

Kevlar, developed by DuPont, is a well-known aramid fiber, renowned for its strength and resistance to heat. Twaron, on the other hand, originally developed by Akzo Nobel, is also an aramid fiber, offering similar properties. Both materials are synthesized in similar chemical processes but are produced by different companies.
Kevlar is widely used in bulletproof vests, helmets, and other protective gear due to its high tensile strength-to-weight ratio. Twaron also finds its use in similar applications, such as body armor and protective clothing, providing comparable strength and durability to Kevlar.
Both Kevlar and Twaron fibers are known for their outstanding strength, durability, and resistance to heat. While they share many similarities in physical properties, slight differences may arise from the proprietary production processes of each manufacturer.
Kevlar has become almost synonymous with protective gear, benefiting from strong brand recognition and widespread use in law enforcement and military applications. Twaron, while less known than Kevlar, is also used in similar markets and applications, emphasizing its competitive quality and performance.
Both DuPont (Kevlar) and Teijin (Twaron) continuously innovate in the field of aramid fibers, working on enhancing the performance and application scope of their products. This ongoing research and development mean that both Kevlar and Twaron are continually evolving, pushing the boundaries of synthetic fiber technology.

Comparison Chart



First Developed


Primary Use

Bulletproof vests, protective gear
Body armor, flame-resistant materials

Chemical Structure

Para-aramid synthetic fiber
Para-aramid synthetic fiber

Heat Resistance

Very high
Very high

Kevlar and Twaron Definitions


Kevlar serves as a key component in cut-resistant gloves.
The chef wore Kevlar gloves to protect his hands from sharp knives.


Twaron fiber reinforces tires and mechanical rubber goods.
The Twaron-enhanced tires provided better durability and performance.


In sports equipment, Kevlar reinforces helmets and pads.
Her Kevlar-reinforced helmet absorbed the impact during the cycling race.


Twaron finds application in composite materials for aerospace.
The spacecraft's heat shield included Twaron composites for thermal protection.


Kevlar is integral in constructing high-performance vehicle parts.
The racing car was equipped with Kevlar brakes for enhanced safety.


Twaron is used in bulletproof vests similar to Kevlar.
His Twaron vest offered protection against the ballistic threats he faced.


Kevlar is a high-strength synthetic fiber used for bulletproof vests.
The police officer's life was saved by his Kevlar vest during the shootout.


Twaron is a heat-resistant and strong synthetic fiber.
The firefighters' suits were made of Twaron to withstand extreme temperatures.


Kevlar is used in making ropes and cables for industrial purposes.
The Kevlar ropes were strong enough to tow the heavy machinery.


Twaron is used in ropes, cables, and industrial materials.
The Twaron cables ensured the bridge's stability and longevity.


(uncountable) (Fabric, cordage, etc made of) aramid fiber, an exceptionally strong, light, man-made fibre used to strengthen cables and sheet materials, e.g. in stab-resistant vests.


A piece of personal protective equipment made from Kevlar, such as a helmet or a vest.


What are common uses of Kevlar?

Common uses of Kevlar include bulletproof vests, helmets, ropes, cables, and high-strength composites.

Who manufactures Kevlar?

Kevlar is manufactured by the American company DuPont.

What is Twaron?

Twaron is a para-aramid synthetic fiber similar to Kevlar, known for its strength and heat resistance, used in protective clothing and industrial products.

What is Kevlar?

Kevlar is a high-strength synthetic fiber developed by DuPont, used in various applications including body armor and protective gear.

What are common uses of Twaron?

Twaron is used in body armor, heat-resistant clothing, industrial products, and reinforced composites.

Is Kevlar bulletproof?

Kevlar is not bulletproof but is used in bullet-resistant vests due to its high tensile strength.

Can Kevlar be recycled?

Recycling Kevlar is challenging due to its high durability and chemical stability.

What is the melting point of Twaron?

Twaron, like Kevlar, decomposes at high temperatures, generally above 500°C, without a specific melting point.

Who manufactures Twaron?

Twaron is manufactured by Teijin, a Dutch company.

Is Twaron bulletproof?

Like Kevlar, Twaron is not bulletproof but is used in bullet-resistant applications.

Can Twaron be recycled?

Recycling Twaron is also difficult, similar to Kevlar, due to its robust material properties.

How is Kevlar made?

Kevlar is made through a process called polymerization, involving the reaction of monomers to form long molecular chains.

What colors does Kevlar come in?

Kevlar is typically yellow but can be dyed in different colors for specific applications.

What is the melting point of Kevlar?

Kevlar does not have a definitive melting point but decomposes at temperatures above 500°C.

Can Twaron stop a knife?

Twaron, similar to Kevlar, is effective in protective gear against knife attacks.

How is Twaron made?

Twaron is produced through a similar polymerization process as Kevlar, forming long para-aramid chains.

Are Twaron fibers flexible?

Twaron fibers also exhibit flexibility, suitable for weaving into different materials.

Are Kevlar fibers flexible?

Kevlar fibers are relatively flexible, allowing them to be woven into various fabrics and composites.

What colors does Twaron come in?

Twaron is naturally yellow but, like Kevlar, can be colored for various uses.

Can Kevlar stop a knife?

Kevlar is used in stab-resistant vests and clothing, offering protection against knife attacks.
About Author
Written by
Janet White
Janet White has been an esteemed writer and blogger for Difference Wiki. Holding a Master's degree in Science and Medical Journalism from the prestigious Boston University, she has consistently demonstrated her expertise and passion for her field. When she's not immersed in her work, Janet relishes her time exercising, delving into a good book, and cherishing moments with friends and family.

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