Plastics Flashcards
Thermosetting plastics can be bent..
Once
Thermoplastics can be bent…
Many times
Name 1 thermosetting plastic…
Polyurethane
Name 1 thermoplastic
Acrylic
5 facts about acrylic
Can be translucent, transparent or opaque
Resistant to most acids and weather conditions
A good electrical insulator
Safe with food
Used in light units and illuminated signs
3 Polythene facts
There are 2 types high density and low density
Can be moulded into almost any form
Used in the production of bottles and bowls
3 polyvinyl chloride facts
Tough
Can be welded or bonded with an adhesive (glue)
Used in water pipes and raincoats
3 polyurethane facts
Water resistant
Very tough
Used in the basis of many paints and varnishes
4 Melamine Formaldehyde facts
Smooth surface
Hygienic
Excellent electrical insulator
Used in electrical plugs and sockets
3 polyester resin facts
Very tough and impact resistant
Combined with fibre glass to make glass reinforced plastic (GRP) which is used in sailing boats and car body repairs