Paper And Boards Flashcards
1
Q
Weight of paper is measured in …
A
Grams per square metre (gsm)
2
Q
Card and paper is used for packaging because ..
A
Inexpensive as it is usually unbleached and low grade pulp
Easily formed
If corrugated it is even cheaper
3
Q
Paper and card absorb water. What do we coat them with to prevent this? Eg coffee cups
A
Polythene but it means it cannot be recycled easily
4
Q
Card thickness is measured in microns. What is a micron ?
A
One thousandth of one millimetre (same as a micrometre in physic)
5
Q
Paper is measured in ISO sizes which are…
A
A1 to A10,
We use mainly A4
6
Q
Properties of paper we look at are….
A
strength
folding ability
surface finish
absorbency
7
Q
What does laminating mean?
A
coating the paper to improve strength, finish and appearance
8
Q
The 9 Types of paper are:
A
layout paper tracing paper copier paper recycled paper corrugated board - one or 2 flat layers with corrugation cartridge paper - thick with slight texture mounting board folding boxboard
