Paper and Boards

Question 1

what is scoring?

Answer 1

Scoring is the same as cutting but the blade doesn’t go all the way through as less pressure is applied

Question 2

How is paper and board commercially cut?

Answer 2

by using a die cutter

Question 3

How does a die cutter work?

Answer 3

uses CAD drawing and laser cutting to make nets

Question 4

what is creasing?

what happens to the cellulose fibres?

Answer 4

Creasing creates a permanent line after the material has been creased or folded as the cellulose fibres have become weakened

Question 5

what is folding?

Answer 5

creating a shape [envelope]

Question 6

What qualities make paper good for printing? [6]

Answer 6

• whiteness [brightness to allow double sided printing]
• opacity
• strength [resistance to tearing]
• absorbency [for water or ink]
• finish [satin, matt or gloss]
• cost [match a price point]

Question 7

what 5 qualities can be altered to get perfect paper?

Answer 7

• cellulose fibres
• filers that smooth the paper
• sizing agents that increase absorbency
• calendaring process that makes correct thickness
• additional finishes like UV or texture

Question 8

What does the Elmendorf test do?

Answer 8

tests the tear resistance of paper via a pendulum

calculates how much force is needed to continue a tear in the sample

Question 9

what are 2 impact forces for paper and boards?

Answer 9

• package being damaged via transportation

- implements on the surface such as pens and rubbers

Question 10

what is the structure of corrugated card?

Answer 10

to flat outers with a corrugated medium

Question 11

Why is corrugated card good for packaging?

Answer 11

• good strength to weight ratio
• rigid
• shock absorbing
• good thermal insulation
• lightweight

Question 12

why is tracing paper good for its purpose?

Answer 12

• semi translucent
• grey colour
• strong
• grease resistant [due to acid treatment]

Question 13

what are the properties of layout paper for sketchpads?

Answer 13

• more opacity than tracing paper
• off white colour
• not as strong as tracing paper
• takes pencil well

Question 14

how is bleed proof paper adapted for hand drawn rendering?

Answer 14

• no ink or solvent pens can bleed through

- highly sized [stops getting wet] and high opacity to give deeper colours

Question 15

why is cartridge paper used for sketching?

Answer 15

• off white colour
• slightly textured
• takes drawing mediums well

Question 16

why is water colour paper good for this style of painting?

Answer 16

• highly absorbent [little to no sizing]
• withstand large amounts of water and retain its structure
• matte and slightly textured finish

Question 17

what are the 3 types are photo paper?

Answer 17

Inkjet paper, laser paper and photographic paper

Question 18

what are the properties of inkjet paper?

Answer 18

• non-porous

- treated surface for a sharp image

Question 19

what are the surface property of laser paper?

Answer 19

The plastic particles in the toner melt and bond to the surface

Question 20

what are the properties of photographic paper?

Answer 20

• Photosensitive coating
• reacts to light
• image develops over time

Question 21

why is bleached card good for high-end packaging and cards?

Answer 21

• highly brightened
• treated on both sides
• holds print well
• luxury feel

Question 22

why is mount board good for mounting photos before framing?

Answer 22

• strong structure
• available in different colours
• good for making final models
• too expensive for prototypes

Question 23

why is duplex board good for packaging?

Answer 23

• food safe [water and oil resistant]
• range of colours
• folds, cuts and prints well

Question 24

why is foil lined and laminated card good for food packaging?

Answer 24

• impermeable layer for bacteria, light, air

- polyethylene is a food safe liner

Question 25

what is the structure of Tetra-pak?

Answer 25

• 6 layers
• paper board [74%]
• polyethylene [22%]
• aluminum foil [4%]

Question 26

what are the properties of Tetra-pak?

Answer 26

• good for storing liquids
• foil layer insulates
• contents remain sterile
• specialized recycling needed

Question 27

why is metal effect card good for gift packaging?

Answer 27

• bright metallic effect
• embossing gives texture
• matte and shiny tones create patterns
• laminated versions are used for cake boards

Question 28

what is moulded paper pulp?

Answer 28

• 100% recyclable ecofriendly packaging

- limited printability