Aramid fibers, including polyaramid and modacrylic cotton, are a class of heat-resistant and robust synthetic fibers. 
They are widely used in industries where heat and flame protection is paramount.

 

There are several well-known aramid fiber brands, including:

 

  • Kevlar®: Manufactured by DuPont™, it is commonly known for its use in stab and bullet-proof vests.
  • Twaron®: Manufactured by Teijin Aramid, uses include protective clothing, helmets, sails, brake pads, and turbo hoses.
  • Nomex®: Again, produced by DuPont™, these fibers are most commonly associated with Nomex® hoods used by firefighters, race car drivers, and defense personnel to protect from harsh temperatures.

Substrate/Fiber Characteristics

  • High strength-to-weight, high tenacity, and high modulus
  • Low elongation and creep
  • Good abrasion resistance
  • No melting point (degradation) and low flammability
  • Nonconductive
  • Resistant to organic solvents, sensitive to acids, salts, and UV

Common Substrate/Fiber Uses

  • Airplane seating
  • Asbestos replacement
  • Breathing apparatus
  • Composites
  • Flame-resistant clothing
  • Hot air filtration fabrics
  • Leather-effect seating
  • Mattress covers / barrier fabrics
  • PPE / Protective vests and helmets
  • Ropes and cables
  • Sailcloth
  • Sporting goods
  • Tire and mechanical rubber goods reinforcement
     
     

 

 Properties Value 
 Tensile Strength (MPa)  2500
 Elongation at Break  4
 Specific Gravity  1.44

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