plastic Flashcards
1
Q
what is a thermoplastic?
A
can be heated and moulded into a shape, then reheated back to their original shape
2
Q
what is a thermosetting plastic?
A
cannot be reheated and reshaped
3
Q
types of thermoplastics
A
acrylic, ABS (acrylonitrile butadiene styrene), polystyrene
4
Q
types of thermosetting plastics
A
melamine, urea formaldehyde, polyester resin
5
Q
pros of thermoplastics
A
low melting point, can be reshaped, recyclable
6
Q
pros of thermosetting plastics
A
very resistant to heat, wont scratch easily, resistant to electricity
7
Q
cons of thermoplastics
A
can melt if sat in heat for too long, softens when reheated
8
Q
cons of thermosetting plastics
A
cant be reshaped, more difficult to surface finish
