What are the 2 main types of plastic?

• Recyclable or non recyclable

• Coloured or clear

• thermo polymer and thermoset polymer

• recycled or not recycled

1. What is the main property of thermo polymers?

• It is cheap

• It can be reheated and reused

• Comes in many colours

• It is a natural resource

Is cellulose a synthetic polymer

• yes

• no

1. Which is the most environmentally friendly plastic, thermopolymer or thermosetpolymer?

• thermopolymer

• thermosetpolymer

What does HDPE mean?

• High Density Polystyrene

• High Density Polyethylene

• High Depth Polyvinyl chloride

• High Design Polyether

What does PVC stand for?

• Polyvinyl chloride

• Polyvinyl cholesterol

• Polyvinyl chlorine

• Polyvinyl chlorite

What type of resin would be used for PCB boards?

• Bakerlite

• Tree Resin

• Epoxy Resin

• Three part resin

What is cellulose made from?

• Oil

• Plants

• Horn

• Milk

HDPE is often used for what type of product?

• Clingfilm

• Carrier bags

• CD cases

• Petrol cans

What is the first stage of blow moulding?

• Melt the plastic sheet

• Injection mould a parison or pre-form

• Injection mould the lid

• Blow in hot air