KEVLAR

What is it

Properties

Uses

What is it

• 1965, Dupont• Stehanie Kowlek & Herbert

Blades• Aromatic polyamide• Symmetrical radial orientation

Properties• 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

Available grades: Kevlar 29, Kevlar 49, and Kevlar 149

Uses

• Performance Apparel• Adhesives and Sealants• Belts and Hoses• Composites

Fiber-Optic and ElectroMechanical Cables

• Friction Products and GasketsProtective ApparelTires

Uses

• Ropes and Cables

Uses• Ballistics& • Defense

Protection Level:  Colors: 

Sizes: 

IIIA - $945.00

Navy Blue

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.htm 

• From http://www.spylife.com• http://denbrook.crosswinds.net/Motorcycles/KevlarClutch