Thermosetting plastic is

• a plastic that can be repeatedly reheated and remoulded.

• a plastic that can be distorted under pressure but will return to its original shape after pressure is released.

• a plastic that can not be repeatedly reheated and remoulded.

Identify the three main categories of synthetic plastics from the list below.

• Thermosetting plastic

• Thermostat

• Thermoplastic

• Polymer

• Elastomer

Which plastic does this polymer chain represent?

• Thermoplastic

• Thermosetting

• Elastomer

2 of these plastics are thermosetting. Can you pick them out?

• Polymethyl-methacrylate (PMMA) (Acrylic)

• Urea Formaldehyde

• Polyethylene terephthalate (PET)

• Polypropylene (PP)

• Epoxy Resin

Which group of plastics can be recycled?

Which plastic does this recycling symbol represent?

• PVC

• PET

• PP

• HDPE

Elatomer plastic is known to have rubber like properties. Elastomers can generally be recycled.

• True

• False

Which plastic type does this molecule structure represent?

• Thermosetting

• Thermoplastic

• Bioplastic

• Elastomer

What is the key element derived from foods to make biopolymers?

Oxo-degradable plastics have additives that promote short degradation e.g. less than five years. These help the plastic break down into a fine powder from the effects of

• Heat

• Air

• Oxygen

• Moisture

• Fire