1.3 Polymers - Thermosetting Plastics Flashcards
1
Q
What are the 3 thermosetting plastics we must know
A
Epoxy resin
Urea formaldehyde
Polyester resin
2
Q
What are the properties of Epoxy resin
A
Rigid, clear, hard, tough and chemically resistant
3
Q
What are the properties of UF
A
Hard, heat resistant, good electrical insulator and brittle.
4
Q
What are the properties of PR
A
Rigid heat//chemically resistant brittle
5
Q
What are the uses of ER
A
Adhesives, surface coatings, encapsulating electrical components
cardiac pacemakers
6
Q
What are the uses of UF
A
Electrical fittings and adhesives
7
Q
What are the uses of PR
A
Castings, boat hulls, car parts, chair seats
