1.3 Polymers - Elastomers

Question 1

What 2 elastomers must we know

Answer 1

Natural rubber
Neoprene

Question 2

What are the properties of natural rubber

Answer 2

High tensile strength, low elongation, good hardness.

tough, electrical insulator, good cold resistance

Question 3

What are the properties of neoprene

Answer 3

good weather, thermal, oil and chemcial resistance
electrical insulator
abrasion resistance

Question 4

What are the uses of natural rubber

Answer 4

tyres, tubes, hoses
footwear
balloons

Question 5

What are the uses of neoprene

Answer 5

wet suits, laptop cases, gaskets