Name 5 thermoplastics
Acrylic
Nylon
Polycarbonate
Polystyrene
ABS
State the properties and uses of polystyrene
Properties
Good toughness
Good impact strength
Good for injection moulding, vacuum forming and extrusion
Uses
Packaging
Foam cups
State the properties and uses of ABS
Properties
Strong
Rigid
Harder and tougher than polystyrene
Twice the cost of polystyrene
Uses
Plastic pipes
Children’s toys
Keyboard caps
State the properties and uses of acrylic
Properties
Good optical properties - can be transparent
Hard wearing
Won’t shatter upon impact (strong)
Uses
Bathtubs
Machine guards
Plastic windows
State the properties and uses of nylon
Properties
Ductile
Durable
Low friction properties
Good resistance to wear
Uses
Bearings
Gear wheels
State the properties and uses of polycarbonate
Properties
Strong
Tough
Excellent dimensional and colour stability
Heat resistant
Uses
DVDs
Safety glasses
Exterior lighting fixtures