Plastics Flashcards
2 types of plastic
Thermoplastic and thermosetting plastic
Thermoplastic ——- when u heat it
Bends
Thermosetting heat it and it’ll
Burn and catch fire
Acrylic (known as Perspex)
It’s the most - - ina school workshop
Common
What colours can be acrylic?
Comes in a range of colours
Acrylic can be —— (eg smoked) ————— (clear) or ————— (solid colour)
Translucent, transparant or opaque
Acrylic is resistant to
Most acids and weather conditions
Acrylic is easily ——— , ——— and ——
Machined cemented and polished
Acrylic __________ easily and _________ easily
Splinters and scratches
Acrylic is safe with …….
Food
Polythene can be moulded into….
Any shape or form
Polythene can be used for …
Bowls toys bottles etc
Polythene is available in
Large sheets
Two types of polythene plastic:
High density (rigid and hard) & low density ( tough and flexible)
Machines are usually made from …….. polythene
High density
Bottles are made from ….. polythene
Low density
Polyvinyl chloride ( better known as PVC) is a ……. Material
Tough
PVC has a range of uses including
Water pipes
Raincoates
Long play records etc
PVC can be iether …. Or …… and can be …… glued
Hard or flexible
Glued
Acrylic polythene and PVC are all ….
Thermoplastics
Acrylic polythene and PVC are all ….
Thermoplastics
