Modelling Materials and Packaging Flashcards

1
Q

Why is packaging in use today? (damage/disease)

A

To protect the product from damage or contamination by micro-organisms and air, moisture and toxins

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2
Q

Why is packaging in use today? (shapes)

A

To keep the product together, to contain it

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3
Q

Why is packaging in use today? (images)

A

To identify the product

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4
Q

Why is packaging in use today? (transport)

A

To protect during transport and ease of transport

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5
Q

Why is packaging in use today? (sale)

A

Stacking and storage

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6
Q

Why is packaging in use today? (packaging)

A

Printed Information

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7
Q

What are card and paper made from?

A

Wood pulp and waste paper

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8
Q

Why is cardboard thick?

A

Because they are made up of several layers of pulp

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9
Q

What paper is used for general drawing?

A

Cartridge Paper

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10
Q

What material is used for containers?

A

Duplex Board

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11
Q

What is the best card to print on to?

A

Solid White Board

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12
Q

What type of board is often used for packaging large electrical items?

A

Corrugated Board

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13
Q

What is foil lined board?

A

A good quality cardboard with a aluminium foil lining

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14
Q

Name a type of plastic used for packaging:

A

Polythene, PET (Polyethylene terephthalate) and PVC (Polyvinyl Chloride)

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15
Q

What are the properties of Aluminium for packaging?

A

It is strong and withstands heat and processing.

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16
Q

What is corrugated card manufactured from?

A

Recycled Card

17
Q

What is corrugated plastic manufactured from?

A

Polypropylene

18
Q

What does CAD stand for?

A

Computer-Aided Design

19
Q

What does CAM stand for?

A

Computer-Aided Manufacturing

20
Q

True or False? Thermosetting plastics CAN be reheated to soften, shape and mould.

A

False.

Thermosetting plastics CANNOT be reheated to soften, shape and mould.

21
Q

Why can’t thermosetting plastics be reshaped or recycled?

A

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.

22
Q

What is the name of plastics that CAN be reheated to be reshaped or recycled?

A

Thermoplastics

23
Q

Why are thermosetting plastics mouldable after reheating?

A

They do not go under any significant chemical change

24
Q

What do thermosetting plastics tend to be composed of?

A

‘long chain monomers’