Types And Properties Of Paper, Card And Boards Flashcards

1
Q

How is paper made

A

Vegetable fibres in wood are carefully extracted to make a 95% water based pulp. This is then filtered to get the fibres and refined through rollers to achieve a basic form of paper

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2
Q

What are the factors of choosing a type of paper or card for a specific product

A
Price
Finish
Strength
Brightness, how white it is
Thickness
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3
Q

How can you give paper a smoother finish

A

Spray it with a coating such as China clay or chalk

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4
Q

How do change the absorbency of paper

A

Add a sizing agent which increases the ability to accept ink

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5
Q

What affect does laminating have

A

Laminating layers of thinner card to make a board can give it a whole range of properties such as thickness and strength

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6
Q

How is paper measured

A

In gsm, grams per square meter.

Up to 220 gsm, after that its considered card

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7
Q

How is card measured

A

Card is measured in microns, 1mm is 1000 microns

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8
Q

What is virgin paper

A

Paper that is new and Unrecycled. It is usually stronger and whiter than recycled paper

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9
Q

Why is virgin paper used for food products

A

Less likely to be contaminated with anything dangerous

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10
Q

Advantages of recycled paper

A

Better for environment, less deforestation
Energy saved as less raw materials need processing
Makes companies see more green, goods for public relations

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11
Q

What is corriflute

A

A plastic board with a fluted inside, it is strong and water resistant and can have vinyl stickers applied and can be printed on using flexography, unlike paper based board. Used for sale signs at houses

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12
Q

What is duplex

A

A foam based board with various finishes. Used for advertising by cinemas and shops

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13
Q

Why is carton board so useful

A

It’s strong so good for packaging, it can be cut, creased, folded and glues easily. It can also be printed using main printing processes and can have most finishes applied making it ideal for designers

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14
Q

What is cartonboard

A

A multilayer/ laminated material with at least 3 layers and usually has a white coating to make printing better

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