Property Terms Cheat Sheet
| Coefficient of Friction | The resistance of a material to sliding forces where, the higher the number, the higher the friction. |
| Coefficient of Linear Thermal Expansion | Measure of growth of a material as temperature changes. |
| Compressive Modulus of Elasticity | The ratio of force to deformation as a material is being squeezed. |
| Compressive Strength | The resistance of a material to being deformed under a squeeze load. |
| Dielectric Constant | The ability of a material to store an electrical charge. |
| Dielectric Strength | The amount of volts/mil required to cause an electrical "breakthrough". |
| Dimensional Stability | Change in height, width, and shape when exposed to changes in temperature. |
| Dissipation Factor | The ability of a material to dissipate an electrical charge. |
| Durometer Hardness | The ability of a non-metallic material to resist indentation using a Shore tester. |
| Flammability Rating | The ability of a material to harbor a flame. |
| Flexural Modulus of Elasticity | The ratio of force to deformation when a material is being flexed or bent. |
| Flexural Strength | The resistance of a material to being bent or flexed. |
| Glass Transition Temperature(Tg) | The temperature at which crystalline materials change from solid to a rubbery state. |
| Heat Deflection Temperature | The temperature at which a material will bend a given distance when a given load is applied. |
| Izod Impact | The ability of a material to resist fracture at a machined "V" notch when hit with a swinging |
| Melting Point | The temperature at which a materials change from a solid to a liquid. |
| PV or Limiting PV | The ratio of simultaneous load and speed in relation to wear. |
| Rockwell Hardness | The ability of a material to resist indentation using a Rockwell Tester. |
| Shear Strength | The resistance of a material to being punched or sheared. |
| Specific Gravity | The ratio of the weight of an object, to the weight of the same volume of water. |
| Surface Resistivity | The ability of a material to impede the flow of electricity across its surface. |
| Tensile Elongation | The % a material will stretch as it is pulled in a slow stretch until it breaks. |
| Tensile Modulus Of Elasticity | The ratio of force to deformation when a material is being slowly pulled apart. |
| Tensile Strength | The resistance of a material to being slowly pulled apart. |
| Thermal Conductivity | The ability of a material to insulate changes in temperature. |
| Volume Resistivity | The ability of a material to impede the flow of electricity through itself. |
| Water Absorption | The ability of a material to absorb moisture. |
| Wear or "K" Factor | The ability to resist wear against steel. |