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DT > Performance Characteristics Of Materials - Papers And Boards > Flashcards

Performance Characteristics Of Materials - Papers And Boards Flashcards

1
Q

Name 3 different types of papers

A

Tracing paper
Watercolor paper
Bleed proof paper

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2
Q

What is tracing paper used for

A

Copying images when sketching

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3
Q

What is watercolor paper used for

A

Watercolor painting

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4
Q

What is bleed proof paper used for

A

Spirit based maker rendering

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5
Q

Name 3 types of cards

A

Corrugated card
Moulded paper pulp
Bleached card

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6
Q

What is bleached card used for

A

Greeting cards
High quality packaging

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7
Q

What is moulded paper pulp used for

A

Egg boxes
Fruit packaging

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8
Q

What is corrugated card used for

A

Protective packaging
Food packaging

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9
Q

What is the largest stock form papers are available in

A

A0

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10
Q

How does the ‘A’ scale work for papers stock forms

A

Each ‘A’ is half the size of the previous one
E.g. A4 is half the size of A3

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11
Q

What is the smallest stock form papers are available in

A

A8

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12
Q

What paper stock form might commercial printers work with

A

SRA

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13
Q

What is paper thickness measured in

A

Grams per spuare metre (gsm)

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14
Q

Name 2 polymer based sheets

A

Foam board
Styrofoam

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15
Q

What is foam board used for

A

Presentation boards
Modelling

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16
Q

What is Styrofoam used for

A

Modelling
Formers for moulding

17
Q

What are cellulose fibres

A

Fibres that can be obtained from bark, wood or leaves of a plant. The main application of these fibres are in the textile industry

18
Q

What is debarking

A

Debarking is the process of removing bark from wood

19
Q

What is the process of seasoning wood

A

Removing excess moisture 80 - 90%

20
Q

What are the two types of seasoning wood

A

Air seasoning
Kiln seasoning

21
Q

What is more expensive air seasoning or kiln seasoning

A

Kiln seasoning

22
Q

What happens to wood if it is not seasoned correctly

A

It may twist, warp, crack or bow

23
Q

What are the advantages of seasoning wood

A

Greater immunity from decay
Increased strength

24
Q

What are the two standard stock sizes for rough sawn wood

A

32mm thick and 50mm thick

25
Q

What is rough sawn wood

A

The wood comes directly from seasoning and has rough surfaces

26
Q

What is planed square edge wood

A

Wood has only one edge planed accurately, the rest are rough sawn

27
Q

How much does planing remove from the wood

A

Normally about 3mm

29
Q

What is planed all round wood

A

Wood has sides and edges that are all planed square, straight and level leaving a smooth finish

30
Q

What size can manufactured board be produced to

A

1220mm x 2440mm

31
Q

Name 4 hardwoods

A

Oak
Ash
Mahogany
Beech

DT (6 decks)

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