1.6 Materials and their working properties - papers and boards

What are papers and boards made from?

Wood pulp from trees

How are papers and boards made?

Wood pulp is rolled into thin sheets in paper mill factories

What is paper made from?

Wood pulp

How is paper density measured?

Grams per square metre (gsm)

What does a lower gsm mean?

Thinner paper

What are the physical properties of bleed proof paper?

White

What are the working properties of bleed proof paper?

Coated to stop colour seeping; ink stays bright on the surface

What are the physical properties of cartridge paper?

Thick

What are the working properties of cartridge paper?

Expensive and opaque; used for ink and watercolour

What are the physical properties of grid paper?

White paper printed with grids such as isometric or graph

What are the working properties of grid paper?

Lines are usually blue but can be darker to trace through

What are the physical properties of layout paper?

Smooth finish

What are the working properties of layout paper?

Takes most media well

What are the physical properties of tracing paper?

Translucent and smooth

What are the working properties of tracing paper?

Shiny surface; takes pencil well

How is board thickness measured?

Microns or grams per square metre (gsm)

What does a lower micron or gsm value mean?

Thinner card

What are the physical properties of corrugated card?

Paper bonded to the outside

What are the working properties of corrugated card?

Strong

What are the physical properties of duplex board?

Two layers of card bonded together

What are the working properties of duplex board?

Stiff

What are the physical properties of foil-lined board?

White card with foil backing

What are the working properties of foil-lined board?

Stiff and oil resistant; foil reflects heat; used for food containers

What are the physical properties of foam core board?

Smooth surface laminated with white board

What are the working properties of foam core board?

Thick and rigid

What are the physical properties of inkjet card?

Bright white and smooth on both sides

What are the working properties of inkjet card?

Deep colours as photographic ink sits on the surface

What are the physical properties of solid white board?

Smooth on both sides

What are the working properties of solid white board?

Stiff and can be cut or scored