Exploring Polymer Stock Forms

What is a common application of expanded polystyrene?

• Insulation in buildings

• Packaging for electronics

• Making plastic bottles

• Car tyres

Which property is most associated with foam as a polymer stock form?

• High density

• Flexibility

• Rigidity

• Transparency

What is a typical use for plastic film?

• Construction beams

• Food packaging

• Car dashboards

• Electrical wiring

Which of the following is a property of expanded polystyrene?

• Conductivity

• Lightweight

• Magnetic

• Brittle

What is the primary advantage of using polymer powder in manufacturing?

• High melting point

• Ease of moulding

• Electrical conductivity

• High tensile strength

Which polymer stock form is most likely to be used for cushioning fragile items during shipping?

• Powder

• Expanded polystyrene

• Foam

• Plastic film

What is a disadvantage of using plastic film?

• It is biodegradable

• It is expensive

• It is not breathable

• It is heavy

Which of the following is a common property of polymer powders?

• High transparency

• Low melting point

• High elasticity

• High density

What is a typical application of foam in the automotive industry?

• Engine parts

• Seat cushioning

• Tyre treads

• Window glass

Which polymer stock form is often used for thermal insulation?

• Powder

• Expanded polystyrene

• Foam

• Plastic film