ThermoPlastics

Question 1

Acrylic

Answer 1

Stiff, hard, durable, easily scratched, good electrical insulator.
brittle can break, splinters easily.
Baths, lighting, CD cases, car Lights.

Question 2

High density polyethylene (HDPE)

Answer 2

Good electrical insulator, chemical resistant, impact resistant, flexible.
Colour tends to fade over time, can break under stress.
water tanks, water pipes

Question 3

Low Density Polyethylene (LDPE)

Answer 3

Good electrical insulator, chemical resistant, flexible.
colour tends to fade over time, can break under stress.
washing up bottles, dustbin backs, cable insulators,packaging film.

Question 4

Polyethylene terephthalate (PET)

Answer 4

Good alcohol and oil barrier, chemical resistant, high impact resistance, high tensile strength.
can discolour.
fizzy drinks bottles.

Question 5

Polyvinyl chloride (PVC)

Answer 5

Good chemical resistance, weather resistant, stiff, hard, tough, lightweight.
can become brittles over time, ultraviolet light causes brittleness.
Pipes and guttering, floor covering, electrical wiring insulator.

Question 6

Polypropylene (PP)

Answer 6

Light, Hard, impact resistant, chemical resistant.
ultraviolet light causes degradation, oxidation can be a problem.
Medical syringes, carpets, Kitchenware.

Question 7

Polystyrene (PS)

Answer 7

Compressed: 
Light, hard, stiff, brittle, low impact strength.
weak, ignites easily
CD cases, Refrigerator linings, water tanks.
Expanded:
Buoyant, lightweight, good insulator.
crumbles and breaks, easily ignites 
packaging, insulation, displays

Question 8

Acrylonitrile butadiene styrene (ABS)

Answer 8

chemical resistant, hard, tough.
UV light causes degradation.
Mobile phones, safety helmets