By definition, a conductive material has a surface resistivity of less than 1 x 10 5 ohms per square or a volume resistivity less than 1 x 10 4 ohm-cm. A static dissipative material has a surface resistivity of 1 x 10 5 to 1 x 10 12 ohms per square or a volume resistivity of 1 x 10 4 to 1 x 10 11 ohm-cm. These definitions appear in the ESD Association Glossary as well as in various other static control standards documents.
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The term antistatic, however, does not refer to resistance or resistivity. By definition, the term refers to a material that resists tribocharging. At one time, the term referenced a resistance value, but it was severely misused and today no longer represents any resistance range.
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Electrical resistivity = resistance * cross-sectional area / length The resistivity can therefore be calculated quite easily be measuring the resistance of a piece of wire of constant cross-section and known length. In practive resistivity is difficult to measure accurately because of the effect of temperature.
http://www-materials.eng.cam.ac.uk/mpsite/properties/non-IE/resistivity.html
To remove the effect of size from resistance, resistivity is used - this is a material property which does not depend on size. Restivity is affected by temperature - for most materials the resistivity increases with temperature. An exception is semiconductors (e.g. silicon) in which the resistivity decreases with temperature. The ease with which a material conducts heat is measured by thermal conductivity.
http://www-materials.eng.cam.ac.uk/mpsite/properties/non-IE/resistivity.html
While resistivity is an inherent property of a material, it is also dependent on temperature. As the temperature approaches 0o K, the resistivity approaches zero. When the resistivity goes to zero, so does the resistance. The resulting condition is called superconductivity. Maglev trains rely on superconductivity for the electromagnets that they use for propulsion. Note: The Resistivity is zero at 0K, therefore, the resistance is also zero. Play-Doh, a well-known material used by kids, though not made of metal, is a conductor due to its composition. It contains a salt, which means that it is ionic and capable of conducting charge.
http://www.wappingersschools.org/cms/lib01/NY01001463/Centricity/Domain/1439/Resitivity%20with%20Play-Doh.doc
Property Information Resistivity Overview. Resitivity is a measure of the resistance to electrical conduction for a given size of material. Its opposite is electrial conductivity (=1/resistivity). Metals are good electrical conductors (high conductivity and low resistivity), while non-metals are mostly poor conductors (low conductivity and high resistivity).
http://www-materials.eng.cam.ac.uk/mpsite/properties/non-IE/resistivity.html
Overview. 1  Resitivity is a measure of the resistance to electrical conduction for a given size of material. 2  Metals are good electrical conductors (high conductivity and low resistivity), while non-metals are mostly poor conductors (low conductivity and high resistivity).
http://www-materials.eng.cam.ac.uk/mpsite/properties/non-IE/resistivity.html
The terms conductive and static dissipative typically refer to resistance or resistivity ranges used in the evaluation of ESD control materials and products. By definition, a conductive material has a surface resistivity of less than 1 x 105 ohms per square
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Soil resistivity is one of the driving factors determining the corrosiveness of soil. 1  The soil corrosiveness is classified based on soil electrical resistivity by the British Standard BS-1377 as follow: 2  ρE > 100 Ωm: slightly corrosive. 3  50 < ρE < 100 Ωm: moderately corrosive. 4  10 < ρE < 50 Ωm: corrosive. 5  ρE < 10 Ωm: severe.
https://en.wikipedia.org/wiki/Soil_resistivity
Resistivity is an intrinsic property of a material. It is a measure of the ease at which electrons can flow in a material. Resistivity follows the relationship:
http://www.wappingersschools.org/cms/lib01/NY01001463/Centricity/Domain/1439/Resitivity%20with%20Play-Doh.doc
what does resistivity rely on
Resistivity rely on a given size of material.  