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graphics - Coggle Diagram
graphics
boards (200gsm or more)
physical properties
absorbent ; making them excellent printable surfaces but prone to water and moisture damage
compliant ; this allows them to be easily shaped and formed
insulators ; they do not conduct heat
optical properties
opaque or translucent dependent on weight ; light can be allowed to pass through if desired
electrical properties
insulators ; they do not conduct electricity
mechanical properties
malleable; they can be bent, twisted and streched without failing
not tough ; they do not resist cutting or scratching forces
can be laminated
aluminium
keeps flavour in
keeps air out
print on card
polystyrene
stiff
lightweight
polythene
waterproof