8 - Performance characteristics of polymers - Thermoset polymers

Question 1

Urea Formaldehyde (UF)

Answer 1

Hard, heat resistant, good electrical insulator, brittle

Safe working temp: 80*C

Electrical fittings, adhesives

Question 2

Melamine Formaldehyde (MF)

Answer 2

Hard, tough, chemical and heat resistant, opaque, food safe

Safe working temp: 130*C

Decorative laminates, picnic cutlery and plates

Question 3

Polyester resin

Answer 3

Rigid, heat resistant, chamical resistant, brittle

Safe working temp: 95*C

Castings, used in the lay-up process of Glass Reinforced plastic for boat hulls, car parts etc.

Question 4

Epoxy resin

Answer 4

Rigid, clear, hard, tough, chemical resistant

Safe working temp: 80C-200C

Adhesives, surface coatings, encapsulation of electrical components