1.6 Paper & Boards Flashcards
What does paper consist of?
- Paper consists of fine vegetable fibres, which are extracted from wood.
- These fibres are made from cellulose.
Where can cellulose fibres be taken from apart from wood?
- hemp
- flax
- cotton
- bamboo
What’s wood pulp?
Untreated material provided by softwood and hardwood trees.
Why do you add lots of chemicals to wood pulp?
So the wood pulp can achieve the required texture and surface finish required to make paper.
What is the paper making process?
- Tiny chips wood are cooked in water and chemicals to make woop pulp
- The pulp is then poured through a filter or a fine mesh
- As the water drains away, the cellulose fibres naturally join to form the paper’s structure
- The paper move through a set of machine rollers, which flattens the paper and removes any left over water
- Flattening the paper makes the mesh of fibres stronger
What is paper measured in?
grams per metre (gsm)
What’s classed as a board?
Anything over 200 gsm
What’s the weight of normal paper for exercise books and photocopiers?
80gsm
What’s the size of A6?
105mm x 148mm
What’s the size of A5?
148mm x 210mm
What’s the size of A4?
210mm x 297mm
What’s the size of A3?
297mm x 420mm
What’s the size of A2?
420mm x 594mm
What’s the size of A1?
594mm x 841mm
What’s the size of A0?
841mm x 1189mm
What is layout paper?
- A thin transparent paper with a smooth surface.
- It is translucent so ideas can be traced and altered
What are the uses of layout paper?
Used for sketching and developing ideas
What is the size of layout paper?
50gsm
What is tracing paper?
A transparent paper that has strength to enable you to scrape off mistakes using a craft knife
What are the uses of tracing paper?
Used for tracing fine details, as it’s translucent
What is the size of tracing paper?
60/90 gsm
What is printer/photocopier paper?
- A thin paper available in a range of colours and textures
- It is fairly inexpensive paper when brought in bulk
What are the uses of printer/photocopier paper?
Used for photocopying, inkjet and laser printing
What is the size of printer/photocopier paper?
80gsm
What is sugar paper?
- A thin/medium paper available in contrasting colours
- Various weights and textures are available for different tasks
What are the uses of sugar paper?
- Used for display work and mounting drawings
- However, it will fade in sunlight over time
What is the size of sugar paper?
100 gsm
What is bleed proof paper?
A thin transparent paper similar to layout paper but prevents paint and ink from running
What are the uses of bleed proof paper?
Used in for important presentations where quality is needed
What is the weight of bleed proof paper?
120 -150 gsm
What is cartridge paper?
A medium/thick slightly textured paper that is more expensive than copier paper
What is cartridge paper used for?
Used for drawing but can be used with paint as it has a good quality surface for pens, pencils and markers
What is the size of cartridge paper?
120 - 150 gsm
What is ink jet card?
Treated card that can be used in all types of injet printers
What is ink jet card used for?
Used for high quality print finishes on inkjet printers only
What is the size of ink jet card?
120-280gsm
What is cardboard?
Inexpensive, recyclable, stiff board that has a good surface to print onto
What is cardboard used for?
used for packaging, boxes and cartons
What is the size of cardboard?
125-300gsm
What is white board?
Bleached, strong, medium board that has a good surface for printing
What is white board used for?
Used for good quality packaging and book covers
What is the size of white board?
200-400gsm
What is duplex board?
inexpensive version of white board that provides different textures for printing
What is the use of duplex board?
Used in food packaging as recycled materials cannot be used for this purpose
What is the size of duplex board?
230-420gsm
What is corrugated card?
- Contains two or more layers of card with interlacing fluted inner section
- The fluted inner section adds strength to the card without a huge increase within its weight
What is corrugated card used for?
Used for packing items that need protecting during shipping
What is the size of corrugated card?
250+gsm
