Kevlar: Fun Facts and Trivia - Vampire Tools (2024)

As you probably know, we sell top-quality Kevlar cutting scissors and Kevlar shears here at Vampire Tools. But do you actually know much about Kevlar?

Kevlar is a strong, durable, heat-resistant fiber that is used in bulletproof vests. But it has so many more applications than that!

  • Kevlar was developed by Stephanie Kwolek at DuPont in 1965 and introduced commercially in 1971. It is a synthetic fiber (plastic) typically spun into fabric sheets or rope.
  • Kevlar is distantly related to nylon, which was developed by DuPont in the 1930s.
  • The remarkable properties of Kevlar are thanks to its internal structure. Known as a synthetic aromatic polyamide polymer, the molecules of Kevlar are arranged in parallel regular lines with fibers knitted together very tightly.
  • Unlike almost all other plastics, Kevlar will not melt. It will decompose only if it reaches a temperature of 450 degrees Celsius.
  • Extreme cold has no impact on Kevlar and even at almost -200 degrees Celsius, it does not become brittle.
  • Kevlar can be ignited. It will in most cases stop burning as soon as the source of heat is removed.
  • Its first commercial use was in racing car tires as a steel replacement. It is actually five times stronger than steel when based on its weight.
  • Kevlar is very easy to clean: as long as bleach is not used, it will not deteriorate or shrink.
  • Kevlar will deteriorate somewhat if left in sunlight or exposed to other sources of UV. It will discolor and experience some degradation.
  • This material is very lightweight, meaning it is ideal in bulletproof vests and other clothing items as it is not bulky and does not cause overheating when worn.
  • Kevlar does have some disadvantages: while its tensile strength is high, it has poor resistance to being compressed. This is the predominant reason it is not used as a primary structural material in bridges, buildings, etc.
  • While most recognized for its use as an effective material for bulletproof and knife-proof vests, Kevlar is also used in:
  1. Athletic shoes
  2. Ping pong paddles
  3. Smartphones
  4. Bicycle Tires
  5. Racing Sails
  6. Boats, trains, and aircraft
  7. Brake pads
  8. Strings for archery bows
  9. …and much more!

Get your own Kevlar shears at Vampire Tools. They are of the highest quality and when cared for properly, they will last you forever.

By Vampire Tools|2018-10-01T17:38:09-07:00October 1st, 2018|Blog|Comments Off on Kevlar: Fun Facts and Trivia

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Kevlar: Fun Facts and Trivia - Vampire Tools (2024)

FAQs

What are some cool facts about Kevlar? ›

Kevlar® is inherently flame resistant—protecting against thermal hazards up to 800 degrees Fahrenheit. Additionally, Kevlar® fibers won't melt, drip or support combustion.

What was Kevlar originally made of? ›

Kevlar is a manufactured plastic, and it's made of a chemical compound called poly-para-phenylene terephthalamide. This chemical is made from creating a chemical reaction between an acid and a chemical solution containing nitrogen and hydrogen.

Is Kevlar 5 times stronger than steel? ›

Kevlar¿ is an organic fiber in the aromatic polyamide (aramid) family that combines high strength with light weight, and comfort with protection. Kevlar¿ is five times stronger than steel on an equal weight basis and provides reliable performance and solid strength.

Does Kevlar ignite? ›

KEVLAR® Fiber is inherently flame resistant, but can be ignited (limiting oxygen index = 29). Burning normally stops when the ignition source is removed. Pulp and dust accumulations may continue to smolder once ignited. KEVLAR® fiber dust does not present an explosion hazard.

How long will Kevlar last? ›

Take a look at the manufacturer's recommendation for the service life for your Kevlar. Many vests and ballistics materials have a service life of five years. Do not use Kevlar after its service life is up, and dispose of Kevlar appropriately.

Does Kevlar melt? ›

Kevlar (TM) is a Para-Aramid thread. it is one of the strongest and most heat resistant commercially available threads. It is about 2.5 times stronger than nylon and polyester. It also has very little stretch, it does not melt, and it decomposes at 800F.

What is Kevlar famous for? ›

It is primarily famous for its tremendous use in industry and superior technology like helicopter blades, ballistic Armor, sporting goods, and pneumatic reinforcement, (Tanner et al., 1989). The various types of Kevlar are Kevlar-29, Kevlar-49, Kevlar-100, Kevlar-119, and Kevlar-129, (Deepak and Subbaya, 2020).

How many lives has Kevlar saved? ›

In the last three decades body armor saved the lives of more than 3,000 police officers. That's just in the United States, so it's safe to say tens of thousands of lives have been saved worldwide.

Was Kevlar invented or discovered? ›

In a polymer research lab at DuPont, Kwolek discovered the super fiber known as Kevlar. In 1965 Stephanie Kwolek created the first of a family of synthetic fibers of exceptional strength and stiffness.

Is Kevlar waterproof? ›

Once it is manufactured into its fiber form, it is then made into a thread that can be woven into fabric or other materials. This is how it is woven into body armor and bulletproof vests. An important thing to note about Kevlar is that it is not waterproof and can not be placed in direct sunlight.

Can Kevlar stop a sword? ›

The demands of stopping a long blade and the demands of stopping a bullet are very different. Kevlar isn't really rigid enough to serve like solid plate and it isn't thick enough to protect like a gambeson. Kevlar has never been optimised to protect from swords, axes, or other weapons of ancient and medieval war.

Can Kevlar stop a knife? ›

When used in stab-proof vests, Kevlar demonstrates remarkable resistance to knife attacks. The fibers in Kevlar are designed to flex enough to distribute the force of a stabbing motion but not enough to allow the blade to penetrate the fabric.

Can Kevlar be died? ›

Kevlar® can not be dyed typically and is only available to offer yellow color as ecru of Kevlar®. However, Gunze's Kevlar® SPUN Type is available in 22 colors that are produced by Gunze's dyeing technology!

Can Kevlar stop a sniper? ›

Most “sniper” rounds will punch right through level 3a Kevlar and below, even level 3 steel body armor might not stand a chance depending on the caliber and type of bullet. A 5.56 round from an AR-15 would even punch through Kevlar so a much bigger and powerful round would easily pass though.

Is Kevlar toxic? ›

INGESTION: Based on animal studies, KEVLAR® is nontoxic when eaten. INHALATION: KEVLAR® fiber is too big to inhale into the lungs, but fiber dust and fly from processing may be breathed into the nose and throat. Working unprotected in dusty conditions may cause upper respiratory irritation and cold-like symptoms.

What are 3 characteristics of Kevlar? ›

Kevlar® has a unique combination of high strength, high modulus, toughness and thermal stability. It was developed for demanding industrial and advanced-technology applications. Currently, many types of Kevlar® are produced to meet a broad range of end uses.

Does Kevlar get hot? ›

This material is very lightweight, meaning it is ideal in bulletproof vests and other clothing items as it is not bulky and does not cause overheating when worn. Kevlar does have some disadvantages: while its tensile strength is high, it has poor resistance to being compressed.

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