Electrical conductor
Allows the flow of electrical current
Electrical insulator
Doesn’t allow the flow of current
Thermal conductor
Allows transfer of heat
Thermal insulator
Doesn’t allow the transfer of heat
Thermal expansion
Increase in material volume in response to heat:
Opaque
Light can’t get through
Translucent
Some light is allowed through
Density
The mass per unit volume
Fusibility
The ability of the material to be fused
Magnetism
The natural electromagnetic force between oppositely charged objects that causes a material to attract iron or steel.
Corrosion/degradation resistance
The ability of the material to withstand environmental attack or decay.