State 5 thermosetting polymers
Epoxy
Polyester resin
Melamine resin
Vulcanised rubber
Polyurethane
State the properties and uses of epoxy
Properties
High strength
Stiff
Brittle
Excellent temperature, chemical and electrical resistance
Uses
Printed circuit boards
Cast electrical insulators
State the properties and uses of polyester resin
Properties
Good strength
Stiff
Brittle
Good temperature, chemical and electrical resistance
Cheaper than other resins
Uses
Bonding or encapsulation of other materials
Suitcases/luggage
State the properties and uses of melamine resin
Properties
Stiff
Hard
Strong
Resistance to some chemicals and stains
Uses
Laminate coverings for kitchen worktops
Impact resistant plastic plates
State the properties and uses of polyurethane
Properties
Hard
High strength
Flexible
Tough
Low thermal conductivity
Uses
Hoses
Foam insulation panels
Surface coatings
Sealants
State the properties and uses of vulcanised rubber
Properties
Elastic
Higher tensile strength
Resistance to abrasion and swelling
Uses
Bouncing balls
Tyres
Shoe laces