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plastic - Coggle Diagram
plastic
thermo plastic
types of thermo plastic
HIPS
used in vacuum forming
PP
translucent - light passes through
cut easily - laser or knife / scores or bends well too
ABS
injection moulded
household production
Acrylic
vacuum forming / line bending /
molecules are loosely linked
can be recycled
can be re-heated and re-shaped
thermo setting plastic
once set (moulded) - they cannot be reheated
e.g. electrical fittings
urea formaldehyde - UF
hard
good insulator
epoxy resin
adhesive
good joining different materials together
strong bond
Polythene
HDPE(high density polythene
LDPE(low density polythene
raw materials - oil based
bad for the environment
uses fossil fuels (oil)
takes very long to decompose naturally (100s of years)
fractional distillation
melamine
scratch, water resistant