KEVLAR

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					             KEVLAR
What is it
Properties
Uses
                          What is it
• 1965, Dupont
• Stehanie Kowlek & Herbert
  Blades
• Aromatic polyamide
• Symmetrical radial orientation
                                      Properties
                                             Available grades: Kevlar 29, Kevlar 49, and Kevlar 149
•   Dadvantages
•   High Tensile Strength at Low Weight
•   5X stronger than stronger than steel (equil
    weight basis)
•   Low Elongation to Break High Modulus
•    (Structural Rigidity)
•   Low Electrical Conductivity
•   High Chemical Resistance
•   Low Thermal Shrinkage
•   High Toughness (Work-To-Break)
•   Excellent Dimensional Stability
•   High Cut Resistance
•   Flame Resistant, Self-Extinguishing
•   Impact resistant

•   Disadvantages
•   Fibers absorb moisture
•   Poor compressive properties
•   Difficult to cut
                             Uses
• Performance Apparel
• Adhesives and Sealants
• Belts and Hoses
• Composites
  Fiber-Optic and
  ElectroMechanical Cables
• Friction Products and
  Gaskets
  Protective Apparel
  Tires
                     Uses
• Ropes and Cables
    Uses
• Ballistics&
• Defense



                      IIIA - $945.00
Protection Level:
          Navy Blue
Colors:

Sizes:    Medium
                    Referances
• From:
  http://www.lbl.gov/MicroWorlds/Kevlar/KevlarClue1.html
• From:
  http://www.chem.vt.edu/RVGS/ACT/Questions_00.html
  From:
  http://www.ideafinder.com/history/inventions/story082.ht
  m
• From http://www.spylife.com
• http://denbrook.crosswinds.net/Motorcycles/KevlarClutch

				
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posted:10/25/2010
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