Plastic materials

The plastics that can be recycled are.:

• Thermoplastics

• Thermosets

• Elastomers

Neoprene and silicone are

• Thermoplastics

• Thermosets

• Elastomers

Of the following products, which one uses PET?

• 
• 
• 
• 

What plastic are the handles of frying pans made of?

• Nylon
• PVC

• Polyester resins

• Baquelita

Thermoplastics are...

• Flexible materials which degrade easily with heat and cannot be remelted one they been formed

• Plastics that once they have been formed, they cannot be remelted to create different forms

• Plastics that are softened by heating and can be formed and melted as many times as we likes.

` (a)   are flexible materials which degrade easily with heat and cannot be remelted once the have been formed

• Elastomers
• Thermoplastics
• Thermosets

` (a)   are plastics that cannot be remelted once the have been formed to create differnt forms

• Elastomers
• Thermoplastics
• Thermosets

In general plastics are good.....

• electrical and thermal insulators

• acoustic conductor

• and beautiful

• electrical and thermal conductor

Which of the following plastic forming technique is used to make a bottle for mineral water?

• Compression moulding

• Extrusion

• Blow molding

• Injection molding

What type of plastic is commonly used for making food containers?

• PP

• HDPE

• PVC

• LDPE