properties of materials

density

the state or quality of being dense; compactness; closely set or crowded condition.

electrical

conductivity

The property or power of conduction electricity.

semiconductivity

relating to, or having the characteristics of a semiconductor.

insulation

a material or substance that is used to stop heat, electricity, or sound from going into or out of something: a material that insulates something

the science dealing with electric charges and currents.

thermal

Also thermic. of, relating to, or caused by heat or temperature:

expansion / contraction

the act or process of expanding /the quality or state of being contracted.

conductivity

the property or power of conducting heat

Fusibility

the quality of being fuse or convertible from a solid to a liquid state by heat.

welding

to unite or fuse (as pieces of metal) by hammering, compressing, or the like, especially after rendering soft or pasty by heat, and sometimes with the addition of fuse material like or unlike the pieces to be united

optical

of, referring to, or applying optics or the principles of optics.

orpaque

not allowing light to pass through.

translusant

Allowing light to pass through but diffusing it so that persons,

transparent

having the property of transmitting rays of light through its substance so that bodies situated beyond or behind can be distinctly seen.

mechanical

a branch of engineering concerned primarily with the industrial application of mechanics

strentgh

Your strength is the physical energy that you have, which gives you the ability to perform various actions, such as lifting or moving things.

stear

torsion

Action of twisting or twisting a thing in helical form

tension

Action of opposing forces to which a body is subjected.

compresion

tighten, tighten, press or reduce to a smaller volume.

Flexion

Movement that consists in bending the body or one of its members

orxidation

the deposit that forms on the surface of a metal as it oxidizes.

corrosion

the act or process of corroding; condition of being corroded.

hardnes

harshness or austerity, as of a difficult existence.

toughness/brittles

strong and durable; not easily broken or cut.

maleabity/ductility

capable of being drawn out into wire or threads, as gold.

elasticity/plastisity

the state or quality of being elastic.

resilience

the power or ability to return to the original form, position, etc., after being bent, compressed, or stretched; elasticity.

recycable

toxic

biodegradable

capable of decaying through the action of living organisms:

acting as or having the effect of a poison; poisonous:

to treat or process (used or waste materials) so as to make suitable for reuse: recycling paper to save trees.