Which is NOT one of the mechanical properties that define a material.Group of answer choicesinsulation valuetensile strengthpermeabilityductility

The mechanical properties that define a material typically include tensile strength and ductility. Permeability can also be considered a mechanical property as it describes the ability of a material to allow the passage of a fluid. However, insulation value is not a mechanical property. It is a thermal property that describes how well a material resists the transfer of heat. Therefore, the answer is insulation value.

The property that is NOT a mechanical property defining a material from the given options is insulation value. Mechanical properties typically refer to the way a material responds to forces, such as tensile strength, ductility, and permeability. Insulation value, on the other hand, is a thermal property, indicating how well a material resists heat flow.