Difference Between Similar Terms and Objects

Differences Between Kevlar and Twaron

Kevlar vs Twaron

Ever wonder what materials are used in the creation of tires, protective gear, or armories? When we talk about “the materials used” in those aspects, Kevlar and Twaron always come up on the top of the  list of answers. In this article, let us learn about the differences between Kevlar and Twaron and discover the mysteries behind the creation of almost perfect tires, protective gear, or armories.

During the year 1965, DuPont created Kevlar, a high-strength material which belongs to the aramid family of synthetic fibers. After its development, it was commercially used during the 1970s. Kevlar was used as a replacement for steel in racing tires. During the early times, Kevlar was only spun into fabric sheets or even ropes to derive the final Kevlar material.

Kevlar is not only used for racing tires. In fact, it can be used for body armor, bicycle tires, and racing sails. It is advisable to use Kevlar because of its high tensile strength. On an equal weight basis, studies have found that Kevlar is five times stronger than steel. If you are a great drummer, Kevlar clears all your wonders on where your modern drumheads are made from. Drumheads that are made of Kevlar can withstand a high impact.

Aside from that, if the Kevlar material is woven, it can be used for underwater applications like mooring lines. Also, the Kevlar material is used for creating parts of vehicles, fiber optics, and industrial clothing. DuPont is very proud of its creation because Kevlar has saved many lives. It is cut resistant, so it is a material used in creating body armor. Its strength and durability became a favorite of several manufacturers. As time goes by, DuPont improves their Kevlar material even more.

On the other hand, Twaron is similar to Kevlar. They both belong to the aramid family of synthetic fibers. The only difference is that Twaron was first developed by Akzo in the 1970s. Twaron was first commercially produced in 1986. Now, Twaron is being manufactured by the Teijin Company.

Like Kevlar, Twaron is a strong, synthetic fiber. It is also heat resistant. Due to financial problems, Twaron was only commercially used in 1986. It also has many applications. It can be used in the production of several materials which include the military, construction, automotive, aerospace, and even sports. Among the examples of Twaron-made materials are: body armor, helmets, ballistic vests, speaker woofers, drumheads, tires, turbo hoses, wire ropes, cables, and many more.

Twaron is also a light para-amid fiber. It is very similar to Kevlar having a highly impact property. Like Kevlar, Twaron is also five times stronger than steel. Despite its durability, it can be twisted or braided which is necessary for rope constructions. It is also chemical resistant and cut resistant. Its strength is not lost too much even if it encounters several abrasions and stretching.

Kevlar and Twaron are always compared in terms of strength and durability. Nevertheless, it still depends on whether you prefer Kevlar or Twaron more. DuPont and Teijin keep on revolutionizing their product for their consumers.


  1. Both Kevlar and Twaron belong to the aramid family of synthetic fibers.

  2. DuPont is the manufacturer of Kevlar while Teijin is the manufacturer of Twaron (originally produced by Akzo).

  3. Both Kevlar and Teijin are five times stronger than steel yet flexible. They are heat resistant, cut resistant, chemical resistant, and can handle high impacts.

  4. The common applications of Kevlar and Twaron are in protective gear, body armors, tires, drumheads, and much more.

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  1. Although there were descriptions of these synthetic fibres, there was NO “differences” detailed in the article (other than their developing Companies and Manufacturers. The DIFFERENCES in these two products is what we would LIKE to have learned !

  2. There is no difference between Kevlar and Twaron, both have the exact same chemical composition and are made from the same reagents.
    Kevlar was invented at DuPont research lab. in 1964, and was first sold in 1970, while the same fiber was succesfully produced at Teijin’s the same year, but wasn’t available to the public until 1986 due to AKZO financial issues (the company was part of the Enka division, and was sold to Teijin Group in 2000).
    The difference between the two products arises in the production process, as DuPont started making Kevlar using a particular solvent that was known to be a mutagen, while AKZO developed a safer method including a less toxic solvent. Long story short, DuPont started using the same process, and AKZO filed a patent lawsuit against the company. The technology is now licensed by AKZO to DuPont.
    Despite the holding company name, the main facilities that produce Twaron are located in the Netherlands, as they were originally part of AKZO.

    In conclusion, DuPont discovered the chemical composition of the plastic, while AKZO pioneerized the fiber-spinning production process.
    Both companies offers comparable product grades, with DuPont fiber beiing more expensive than the european counterpart, but suitable for an “all USA made” product.

    Various Wikipedia pages about the discussed topics.

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