ii. paper and boards

How are papers and boards categorised by?

By weight in gsm(grams per metre square)

What is paper made out of?

Fine cellulose fibres

What materials is a paper usually made from?

• Mostly wood

• Hemp

• Flax

• Bamboo

How is paper made?

Fibres pressed and dried to make paper

Why do they add chemicals to paper

To improve aesthetics/ properties

How much does paper usually weight

80-220gsm

How much do boards weight?

>220gsm

What is the thickness of boards measured in?

um

How thick is a two-ply board?

200 microns

What is virgin pulp?

a cellulose fibre that hasn’t been previously used or recycled

what does impact resistance mean?

Absorbs the shock of the fall

Description of copier paper

• 80gsm

• Thin

• Lightweight

• Bright white paper from bleach

• Smooth

• Uncoated surface

Uses of copier paper

• Writing

• Drawing

• Printing

Advantages of copier paper

• Takes colour well, good surface for pencils/pens

• Cheap

• Readily available in a range of colours

Disadvantages of copier paper

• Can be prone to jamming print er feed mechanisms

Description of cartridge paper

• Creamy

• Thick

• Heavyweight

Uses of cartridge paper

• Water colours

• Drawing

• Printing

Advantages of cartridge paper

• Accepts most art supplies

• Opaque

Disadvantages of cartidge paper

• Cost more than copier paper

Description of tracing paper

• Thin

• Smooth

• Translucent

Uses of tracing paper

• Art

• Making copies

• Overlaying drawings

Advantages of tracing paper

• Strong

• Translucent

Disadvantages of tracing paper

• Expensive

• Limited ink absorption

• Longer drying time

Description of folding boxboard

• Printable virgin pulp top surface

• Unbleached yellowish centre layers

• Bleached outside layer

Uses of folding boxboard

• Packaging for printed goods

Advantages of folding boxboard

• Lightweight

• Cost effective

• Environmental friendly

• Versatile

• Printability

Disadvantages of folding boxboard

• Not very strong

Description of corrugated board

• 2 or more fluted paper sandwiched between paper liners

Uses of corrugated board

• Packaging for products

• Transport of products

Advantages of corrugated board

• Durable enough for its purpose

• Lightweight

• Recyclable

Disadvantages of corrugated board

• Not weightproof

• Deformed under pressure

• Not ideal for heavy items

Description of solid white board

• Strong

• Rigid

• Made from pure belated wood pulp

Uses of solid white board

• Packaging

• Book covers

• Cards

• Printing

Advantages of solid white board

• Durable

• Clean ability

• Excellent printability

Disadvantages of solid white boards

• Expensive

• Not as impact resistant as corrugated board

Flexibility

The amount a material bends when you apply force

Printability

The ability to accept a printed image (porosity)

Biodegradability

The ability to be broken down by bacteria or other biological means