Papers And Boards

Question 1

Wood pulp

Answer 1

Used to make various types of papers

Both hardwood and softwood trees can be used to provide the untested material which is called wood pulp

From the wood pulp cellulose fibres can be taken

HOW DO U GET WOOD PULP?

Cooking the wood chips in the presence of SODIUM HYDROXIDE and SULPHIDE LIQUIR under HIGH PRESSURE removes the LIGNIN and sore rates the wood into cellulose fibres

During this process approx half of the wood dissolved and the pulp is then washed, screened and bleached

Question 2

Drawing papers

Answer 2

The measurements of drawing paper are determined by halfing the demotions of the preceding one
Eg a5 us half the size of a4

Question 3

Examples of drawing papers

Answer 3

Copy paper
Tracing paper
Cartridge paper
Layout paper

Question 4

Examples of printing papers

Answer 4

Bond paper

Coated paper

Question 5

Copy paper

Answer 5

Specially prepared paper for the writing of advertising eg newspapers
B&w photocopying and printing

Usually has guidelines to indicate margins and number of spaces

Lightweight grade of quality paper

Question 6

Tracing paper

Answer 6

Translucent
Used to trace images or drawings
Transfer drawings from one page to another

Question 7

Cartridge paper

Answer 7

High quality heavy material/paper and it’s used for illustrations and drawing
Texture of this paper it’s rough, semi rough or smooth on what it’s being used for

Question 8

Examples of printing papers

Answer 8

Bond paper

Coated paper

Question 9

Bond paper

Answer 9

Strong durable paper

Used in papers and legal documents

Question 10

Coated paper

Answer 10

Vibrant, displays, colours well
Used in signs, magazines etc
Coated paper is generally sealed meaning that jnk is not absorbed and that it sits on top of the paper

Question 11

Corrugated board

Answer 11

3 main types 
Can be defined if they contain any of the following traits:
- 1 flat line board
- 2 flat line boards 
- flutes of corrugated sheets 

The 3 types:
- single face: 1 sheet of line board glued to corrugated flutes

• single wall: 2 line boards with corrugated flutes in the centre
• double wall - 3 line board sheets with 2 layers of corrugated flutes.

Question 12

Foil lined board

Answer 12

Foil line board is laminated with aluminium foil
It’s only laminated on one side
Good moisture resistance - seen in drink cartons
In some cases foil is resolved with white card which is coated to the board
Good printing surface
Stiff
Rigid
Easy to shape / form

Question 13

Folding box board

Answer 13

Used in places that require packaging eg warehouses, supermarkets, chemist etc

It’s good quality and consists of many layers
Has a good printing surface