Packaging Flashcards
Types of packaging diagram
See slide
What are matter or felted sheet usually composed of
Plant fibres
ISO stands for
International Standards Organisation
What is the weight of paper with a basis weight?
…
Fibre sources (4)
1
2
3
4 Mixed fibres of spruce, pine and birch
What is the most important characteristic of fibre
Fibre length
What can density variations of long fibres lead to? (2)
1 Poor absorption of ink when printing
2 Problems with adhesive bonding
Short fibres produce paper with (2)
1 smoother surfaces
2 ..
Recycled fibres has the characteristics of what source?
Original fibre source
What type of fibre degrades each time it is re-pulped and what does it do?
Recycled fibres
- reduces fibre length
Types of pulp methods (3)
1 mechanical pulping
2 chemical pulping
3 combination process
Mechanical pulping is the
…
What type of yield do you get from timber?
High yield
What makes the fibres in pulp hard and rigid?
Lignin
What are the five chemical pulp characteristics?
1
2
3
4
5 high purity yields
Final paper is affected by: (5)
1 beating of the pulp
2 forming of the fibre network
3
4
5
Most common machine for paper making
Fourdrinier machine
See diagram
Another paper making machine
Twin wire machine
See diagram
Paper can be considered as an ______ material
Orthotropic
Factors to consider for packaging industry management (7)
Raw material inflation
Reduction of waste
Capital expenditure
Operational performance measurement
Product and customer profitability management
….
Global packaging by geography diagram
5%
….
Packaging end market diagram
51%……
Why important to reduce environmental impact
…
Factors for manufacturing…
….
The packaging and packaging waste directive ( ) stated objective
…..
Universal recycling symbol
See diagram