Plastics Flashcards
What is the definition of a thermosetting Polymer?
Polymers that can be softened and heated many times
What is the definition of a thermoforming Polymer?
Polymers that once shaped and formed cannot be reheated or reformed
Give 3 properties of Acrylic?
Resistent to weathering
Excellent insulator
Hard
Give 3 properties of High Density Polythene ?
Hard
Excellent insulator
Good strength
Give 3 properties of Low Density Polythene?
Flexible
Excellent insulator
Waterproof
Give 3 properties of Polyvinyl Chloride?
Hard
Excellent Insulator
Good general resistence
Give 3 properties of Polypropylene?
Tough
Excellent Insulator
Lightweight
Give 3 properties of Expanded Polystyrene?
Lightweight
Good thermal insulator
Impact resistent
Give 3 properties of Nylon?
Hard
Excellent Insulator
Tough
Give 2 properties of Exposy Resin?
Excellent Insulator
Good chemical resistence
Give 3 properties of Melamine Formaldehyde?
Stiff
Excellent Insulator
Resistent to scratching
Give 2 properties of Urea Formaldehyde?
Stiff
Excellent Insulator
Give a use of Acrylic?
Car Light Units
Give a use of High Density Polythene?
Milk Crates
Give a use of Low Density Polythene?
Polymer Bags and reusable Sacks
Give a use of Polyvinyl Chloride?
Pipes/Guttering
Give a use of Polypropylene?
Toys or DVS Cases
Give a use of Expanded Polystyrene?
Packaging
Give a use of Nylon?
Clothing
Give a use of Exposy Resin?
Adhesives
Give a use of Melamine Formaldehyde?
Tableware
Give a use of Urea Formaldehyde?
Electrical Fittings
