Nomex coveralls: 10 things you need to know

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Nomex coveralls: 10 things you need to know

nomex coveralls

Nomex coverall is one of the most common brands when it comes to fire resistant coveralls. Nomex clothing is popularly used by industrial workers who have to face the worst of industries. If you are looking for one of these garments for your own, then this article on Nomex coverall will be useful for you. In this article, we shall look into 10 things that give you a better idea of what Nomex coverall is all about.

Table of Contents

What is Nomex coverall?

Nomex coveralls are a type of clothing designed to protect against fire and heat. They are made from Nomex, which is a synthetic fiber that can withstand extreme temperatures. Nomex coveralls are typically worn by professionals who work in high-heat environments, such as firefighters and people who work with molten metal. They can also be worn by anyone who wants to protect themselves from fire or burn injuries.

Nomex coveralls are made from Nomex IIIA fabric, which is a flame-resistant fabric that has been used by the military since the 1970s. The material was originally developed by Dupont Corporation as a replacement for asbestos in Navy firefighting suits. It consists of two layers of cotton fabric with an acrylic inner layer between them; this helps prevent melting when exposed to extreme heat conditions (such as a fire). The material is also very strong and durable, so it can withstand wear and tear without tearing or fraying easily.

Nomex coverall specifications and price

nomex iiia coverall

Nomex IIIA Coverall

Professional safety clothing supplier in China. we can supply different-grade Nomex coverall and FR coveralls.

Nomex coverall specifications

Flame retardant Nomex IIIA coverall

  • Fabric Grade: DuPont™ Nomex® IIIA
  • Composition: 93% Nomex, 5% Kevlar, 2% P140 (Antistatic). A unique blend of Nomex, Kevlar & inherently static resistant fibers.
  • Fabric Weight: 4.5 Oz or 6.0 OZ
  • Nomex coverall price: 45$-55$/pcs

 Style & Design Specifications

  • 8 Pockets Design
  • With “pass through” to access the inner garment
  • Fully double stitched & all stress points are bar tacked
  • Action back allowing maximum body movement
  • Full sleeves with adjustable cuffs
  • Permanent sewn crease line
  • Snap button neck closure
  • With a hanging hook on collar
  • Two way heavy duty metallic zipper, snap button & storm flap closure
  • Concealed elastic waist on the backside.
  • Stitched with Nomex thread.
  • Color Fastness 4-5 & Easy care.
  • 5cm flame retardant reflective tape on shoulder, arm and leg
  • Sizes: S-4XL


  • Garment is certified to EN ISO 11612:2008
  • A1 – Limited Flame Spread,
  • B1 – Convective Heat,
  • C1 – Radiant Heat
  • Electrostatic properties: EN 1149-5:2008
  • Thermal protective performance: NFPA-2112
  • ARC thermal protection (ATPV): CAT 1
  • Vertical flammability: ASTM D 6413-99
  • Air permeability: ASTM D 737

Nomex coverall size chart

The chart below outlines the sizes chart for Nomex coverall:



















































What is the purpose of Nomex?

Nomex is a registered trademark for a family of heat-resistant and insulating fibers. Nomex was invented by DuPont in 1965 and is based on aromatic polyamide (PA) fibers. It is used in the aerospace, defense, and chemical industries. Nomex has a high melting point, superior thermal stability, good electrical properties, and excellent chemical resistance.

Nomex is used in:

Aerospace – as an insulating material in high-temperature applications such as jet engines

Defense – as a flame-resistant material for soldiers’ uniforms and fire prevention barriers around fuel tanks

Chemistry – as an insulating material for glass reactors and high-temperature equipment

What is Nomex made out of?

The fiber used in Nomex is a synthetic fiber called aramid, which is a member of the polyamide family of chemicals. Aramid is made from molecules that are very similar to those found in natural resins such as rubber and cellulose. In fact, Nomex’s properties are very similar to those of silk.

The most common aramid used in Nomex is Kevlar 49, which is made from para-aramid molecules that have been chemically modified to create a more robust fiber. This type of fiber was originally developed for use in bulletproof vests and other body armor because it is extremely strong and heat-resistant.

Other types of aramids include Twaron (made from para-aramid), Technora (made from meta-aramid), Kevlar (made from para-aramid), Spectra (made from meta-aramid) and Zylon (made from meta-aramid). These different types of fibers can be mixed together to create fabrics with different properties depending on their intended uses.

Where to buy Nomex coveralls?

nomex coverall fr05 1

You can buy Nomex coveralls from many places, but one of the best places to buy them is from a company that makes them.

Nomex coveralls can be purchased at a variety of online stores, including Amazon and eBay, as well as through some brick-and-mortar stores. Because these garments are made with fire-resistant materials they can be expensive, but they are often worth the extra money because they can save lives if worn when fighting fires or other emergencies.

The main source for Nomex clothing is DuPont, who are the inventors and manufacturers of Nomex material. DuPont also produces other types of materials such as Kevlar, Tyvek, and Cordura.

DuPont sells its products through several different channels including:

The DuPont website:

How to wash Nomex coveralls?

Washing Nomex coveralls is simple, but there are some things you should know before you start. Read on to learn more about how to wash Nomex coveralls!

The first thing you need to do is make sure that the Nomex coveralls have been properly cleaned and allow them time to dry. Once they are dry, you can begin washing them in the washing machine. For safety reasons, it’s best not to use any bleach or fabric softener when washing your Nomex coveralls.

Follow these steps to safely clean your Nomex coveralls:

1. Read the care label on your Nomex coveralls before washing them. If the instructions say not to wash in warm water or dry in a clothes dryer, don’t do it! The heat from the washer and dryer will damage the fabric and reduce its flame resistance.

2. Fill your sink with cold water and add one cup of white vinegar per gallon of water (one cup per 2 1/2 gallons). Place the coveralls into the solution and soak them for 15 minutes.

3. Rinse them well with cool water until all of the vinegar has been removed from inside each garment panel. Then place them into a new basin of cold water and let them soak for 30 minutes more before rinsing again.

How long do Nomex coveralls last?

In a professional tone, The average life of a Nomex Coverall can vary from 6 months to 3 years, depending on the number of sets and how they are cared for.

Nomex coveralls are made of fire resistant materials. The fabric is impregnated with a Nomex solution which is then cured and then turned into a fabric using the same methods as other synthetic fabrics.

The life of the Nomex coverall depends on how it’s used and how well it’s maintained. Most companies that sell these types of clothing will include instructions on how to care for them properly, but here are some basic tips:

  1. Do not leave them in direct sunlight for extended periods of time. This will cause them to fade over time.
  2. Do not use bleach or harsh chemicals on them as this can damage the finish on the fabric and cause discoloration over time.
  3. Do not wash your Nomex coverall too often as this can wear out seams and other stitching over time, causing leaks or tears where there shouldn’t be any.

Which is better Kevlar or Nomex?

Both Kevlar and Nomex are used in fire-resistant clothing, but they have different properties.

Kevlar is a type of aramid fiber that’s very strong and light. It’s used in many applications, including body armor, aerospace components, sports equipment, and even bulletproof vests.

Nomex is also an aramid fiber, but it’s made from a different type of polymer than Kevlar. It has the same properties as Kevlar but is even stronger and more heat resistant.

Kevlar is more durable than Nomex, but it’s also more expensive to manufacture and it isn’t as comfortable as Nomex.

Nomex is better for firefighting because it doesn’t melt at high temperatures as Kevlar does.

The two materials are different in terms of their chemical compositions, but they’re both used for similar purposes: protecting against heat and flames.

What is the difference between Nomex and FR?

Nomex fibers are made from a polymer called polyamide-imide (PAI). PAI is a very strong, heat-resistant material that has exceptional fire resistance and good mechanical properties at high temperatures. The production process for Nomex fibers involves spinning the PAI into strands called tows and then weaving them into textiles.

FR is short for flame resistant. Flame resistant fabrics are designed to resist burning when exposed to open flames for long periods of time or when worn next to skin for extended periods of time.

The main difference between FR fabrics and Nomex is that FR fabrics have a fire-retardant coating on the outside while Nomex has an anti-ignition treatment on both sides of the fabric. Both materials are highly combustible but will not ignite when exposed to open flame or radiant heat sources such as an electric arc or a hot surface.


If you perfect the emergency procedures that your employer has given you, and if you feel comfortable with how to use and look after your Nomex clothing, then wearing a Nomex suit should be a relatively stress-free experience. Working in an enclosed space though, with potentially flammable substances, doesn’t sound like the safest job in the world. Hopefully, your team practiced its emergency procedures ahead of time!

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Arlen Wang

Arlen wang is the author of Anbu safety, he is the manager and co-founder of the Anbu Safety network. He has been in anbu safety company since 2008, with a working knowledge of personal protective equipment, and several unique skills related to the PPE industry.

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