Elastomers.

Question 1

Natural rubber properties and uses.

Answer 1

properties: high strength, low elongation, good hardness, electrical insulator and good cold resistance.
uses: tyres, tubes hoses and footwear.

Question 2

Butadiene rubber properties and uses.

Answer 2

properties: tough, excellent wear resistance, good thermal and electrical insulator.
uses: vehicle tyres, shoe soles, toys and conveyor belts.

Question 3

Neoprene properties and uses.

Answer 3

properties: good thermal resistance, good chemical resistance and excellent weathering resistance.
uses: wetsuits, laptop cases, shock absorbers and wire insulation.

Question 4

Silicone properties and uses.

Answer 4

properties: tough excellent wear resistance, food safe and resistance to extreme temperatures.
uses: ice cube trays, cooking utensils and mould making seals.