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What is Kevlar

 
 

Kevlar is the trademark name for an aramid fiber made by Dupont. Kevlar is made by a solution of monomers 1,4 phenylene-diamine and terephthaloyl 

chloride in a condensation reaction.

 

Technical Data of Kevlar

 
Strength: 3.6 GPa
Elongation modulus: 131 GPa
Elongation at break: 2.8%
Temperature: 480℃
Axial thermal expansion coefficient: -2 × 10 ^ (-6) / K
Thermal conductivity: 0.048 W(m·K)

 

 

Applications of Kevlar

 
  • Armour

    Kevlar is well-known as a component of some bulletproof vests. The US military forces PASGT helmet and vest used from the early 1980s have Kevlar as a critical component, as do their replacements. Civilian applications include Kevlar reinforced clothing for motorcycle riders to protect against abrasion injuries.

  • Sports Equipment

    In many cases, it is part of composite material, used in the production of some tennis, badminton, squash rackets, kayaks, and some field hockey and lacrosse sticks. It is used as an inner lining for some bicycle tires to prevent punctures, and due to its excellent heat resistance, it is used for fire poi wicks.

  • Audio Equipment
    It has also been functional acoustic properties for loudspeaker cones, specifically for bass and midrange drive units.

 

Kevlar Felt in Aluminium Profile Extrusion Industry

 

  Kevlar felt belts are widely used in the aluminum extrusion industry. For aluminum extrusion, Kevlar usually can withstand temperatures up to 480℃.

  How Kevlar Felt Belts are Made

 

  Specifications of Kevlar Felt Belt

 

Type: Belt-KN

Color: Yellow 480°

Composition: Kevlar+One layor Nomex tension menber Kevlar+Nomex

Available size

Width: 20-1500mm

Lenght: 1700-11000mm

Thichness: 8,10,12mm

  Application of Kevlar Felt Belt

 

The profile goes to a cooling table, where it moves back and forth to cool down. We usually use Kevlar for this table.

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