Unit 2 Materials and Components - Polymers - Thermosetting Plastics Flashcards
1
Q
What are the properties of epoxy resins?
A
- corrosion resistant
- electrical resistant
- good bond qualities
2
Q
What are the disadvantages of epoxy resins?
A
- can cause allergic reactions
- suspected of health problems
3
Q
What are the applications of epoxy resins?
A
- adhesives
- paints and coatings
- electronics
4
Q
What are the properties of urea formaldehyde?
A
- strong
- hard
- brittle
- heat resistant
5
Q
What are the disadvantage of urea formaldehyde?
A
- can emit toxic vapours during manufacturing process
6
Q
What are the applications of urea formaldehyde?
A
- electrical fittings
- domestic appliance components
7
Q
What are the properties of polyester resin?
A
- good electrical insulator
- heat resistant
8
Q
What are the disadvantages of polyester resin?
A
- brittle
- can crack
9
Q
What are the applications of polyester resin?
A
- glass reinforced boats and cars
- garden furniture
