Thermosetting Plastics

Thermosetting Plastics

1. Epoxy Resins

   • corrosion resistant
   • electrical resistant
   • good bond qualities
   • can cause allergic reactions
   • suspected of health problems
   • E.g. adhesives, paints, electronics

2. Urea Formaldehyde

   • strong
   • hard
   • brittle
   • heat resistant
   • can emit toxic vapours during manufacturing process
   • E.g. electrical fittings, domestic appliance components

3. Polyester resin

   • good electrical insulator
   • heat resistant
   • brittle
   • can crack
   • E.g. garden furniture, glass reinforced boats and cars