1.4 Plastic Flashcards
1
Q
What are the 2 main types of plastic?
A
Thermoplastics
Thermosetting Plastics
2
Q
What is the main difference between thermo/thermosetting plastics?
A
Thermoplastics can be heated and reshaped multiple times while thermosetting plastics can be shaped only once.
3
Q
What happens when thermoplastics are heated?
A
At temperatures of over 100°C the plastic becomes soft and can be shaped.
4
Q
Examples of thermoplastics.
A
ABS
Nylon
Polystyrene
Polyethylene
Acrylic
5
Q
What happens when you heat up thermosetting plastics?
A
Nothing
It doesn’t melt and you cannot reshape it.
6
Q
Examples of thermosetting Plastics
A
Epoxy Resin
Melamine Formaldehyde
Urea Formaldehyde