National 5 Design & Manufacture Knowledge questions Montrose Academy Technical Department Page 78 Design & Manufacture Plastics questions What is the difference between thermoplastics and thermosetting plastics? What form can plastics be produced in? Plastics have various advantages over wood and metal. List some of these in the table below. Colour Water resistant Forms easily Mass production Insulator Weight
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National 5 Design & Manufacture Knowledge questions
Montrose Academy Technical Department Page 78
Design & Manufacture
Plastics questions
What is the difference between thermoplastics and thermosetting plastics?
What form can plastics be produced in?
Plastics have various advantages over wood and metal. List some of these in the table below.
Colour
Water resistant
Forms easily
Mass production
Insulator
Weight
National 5 Design & Manufacture Knowledge questions
Montrose Academy Technical Department Page 79
Complete the table below.
Name of plastic Properties Uses Common Processes
Acrylic
ABS
Polypropylene
Nylon
Polystyrene
PVC
Polyethylene
Polyester
Epoxy
Melamine
Polyurethane
The
rmo
pla
stic
The
rmo
sett
ing
pla
stic
National 5 Design & Manufacture Knowledge questions
Montrose Academy Technical Department Page 80
Marking & Cutting plastics
Name the following tools that can be used when working with plastics.
National 5 Design & Manufacture Knowledge questions
Montrose Academy Technical Department Page 81
How can you prevent plastic from cracking when you drill holes in it?
Apart from saws, what can you use to cut straight lines in plastic?
National 5 Design & Manufacture Knowledge questions
Montrose Academy Technical Department Page 82
Finishing Plastic
What are the stages of finishing the edges of plastic.