KEVLAR

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KEVLAR by Mind Map: KEVLAR

1. USES

1.1. police force purchase

1.1.1. combat helmets

1.1.2. body armor

1.1.3. face masks

1.1.4. vests

1.2. Most products for the consumer are used by motorcycle riders, It can be found in:

1.2.1. gloves

1.2.2. jackets

1.2.3. chaps

1.2.4. jeans

1.2.5. sleeves

1.3. sports equipment

1.3.1. bicycle tires

1.3.2. table tennis paddles

1.3.3. racing canoes

1.3.4. Japanese archery (bow strings)

1.4. But that’s not all

1.4.1. loudspeaker cones,

1.4.2. snare drums

1.4.3. woodwind reeds

1.4.4. frying pans

1.4.5. protection for fiber optic cables

1.4.6. buildings, brakes

2. HISTORY

2.1. was first sold in the 70's

2.2. 1965

2.2.1. Stephanie Kwolek develops Kevlar

2.2.2. her invention was patented and in 1995

2.3. Initially it was used as steel in racing tires

3. FACTS

3.1. is 5 times stronger than steel

3.2. para-aramid synthetic fiber

3.3. is owned by DuPont Company

3.4. was invented by a woman

3.5. "is spun like a spider spins a web"

3.6. used in everything from bicycles to bulletproof jackets

3.7. decomposes under alkaline conditions, keep away from chlorine, swimming pool conditions

3.8. is expensive

3.9. A similar fiber called Twaron

3.9.1. with roughly the same chemical structure

4. PROPERTIES

4.1. High LASE

4.2. High Tensile Strength at Low Weight

4.3. Low Elongation to Break High Modulus

4.4. Low Electrical Conductivity

4.5. High Chemical Resistance

4.6. Low Thermal Shrinkage

4.7. High Toughness

4.8. Excellent Dimensional Stability

4.9. High Cut Resistance

4.10. Flame Resistant, Self-Extinguishing

4.11. It can withstand temperatures up to 300°C

5. TYPES

5.1. Kevlar K-29

5.1.1. industrial applications

5.1.1.1. cables

5.1.1.2. asbestos replacement

5.1.1.3. brake linings

5.1.1.4. body/vehicle armor

5.2. Kevlar K49

5.2.1. high modulus

5.2.1.1. cable

5.2.1.2. rope products

5.3. Kevlar K100

5.3.1. colored version of Kevlarй узел

5.4. Kevlar K119

5.4.1. higher-elongation, flexible and more fatigue resistant

5.5. Kevlar K129

5.5.1. higher tenacity for ballistic applications

5.6. Kevlar AP

5.6.1. has 15% higher tensile strength than K-29

5.7. Kevlar XP

5.7.1. – lighter weight resin and KM2 plus fiber combination

5.8. Kevlar KM2

5.8.1. enhanced ballistic resistance for armor applications

6. GROOMING

6.1. depends from

6.1.1. Kevlar content in the product

6.1.2. product

6.2. may be subject of

6.2.1. industrial laundry

6.2.2. chemical wash