Modelling Materials and Packaging Flashcards
Why is packaging in use today? (damage/disease)
To protect the product from damage or contamination by micro-organisms and air, moisture and toxins
Why is packaging in use today? (shapes)
To keep the product together, to contain it
Why is packaging in use today? (images)
To identify the product
Why is packaging in use today? (transport)
To protect during transport and ease of transport
Why is packaging in use today? (sale)
Stacking and storage
Why is packaging in use today? (packaging)
Printed Information
What are card and paper made from?
Wood pulp and waste paper
Why is cardboard thick?
Because they are made up of several layers of pulp
What paper is used for general drawing?
Cartridge Paper
What material is used for containers?
Duplex Board
What is the best card to print on to?
Solid White Board
What type of board is often used for packaging large electrical items?
Corrugated Board
What is foil lined board?
A good quality cardboard with a aluminium foil lining
Name a type of plastic used for packaging:
Polythene, PET (Polyethylene terephthalate) and PVC (Polyvinyl Chloride)
What are the properties of Aluminium for packaging?
It is strong and withstands heat and processing.
What is corrugated card manufactured from?
Recycled Card
What is corrugated plastic manufactured from?
Polypropylene
What does CAD stand for?
Computer-Aided Design
What does CAM stand for?
Computer-Aided Manufacturing
True or False? Thermosetting plastics CAN be reheated to soften, shape and mould.
False.
Thermosetting plastics CANNOT be reheated to soften, shape and mould.
Why can’t thermosetting plastics be reshaped or recycled?
Their molecules are cross-linked in three dimensions and the bond between the molecules are very strong, so they can’t be broken to be reshaped.
What is the name of plastics that CAN be reheated to be reshaped or recycled?
Thermoplastics
Why are thermosetting plastics mouldable after reheating?
They do not go under any significant chemical change
What do thermosetting plastics tend to be composed of?
‘long chain monomers’
