ESD Knowledge-What Is Electrostatic Index?

What is the electrostatic index?Literally, "electrostatic index" is refer to the ability of a substance to produce electrostatic indicators, that is, the more prone to produce electrostatic substances "has the better electrostatic index."

In daily life and production, except for a few scenarios, we all hope that the less static the better.So "electrostatic index", or more appropriately, means "antistatic index", is the ability of a substance to reduce static electricity.

If you want to do an "electrostatic index" test, and to solve the electrostatic index problem, first we need to know what kind of anti-static substances, and then we need to know what kind of indicators to test.

So, what are the indicators to measure the antistatic properties of a substance?

We simply divide the physical parameters related to static electricity into two categories. One is the parameter that measures the charging capacity of a material, including resistance, resistivity, conductivity, discharge time constant, dielectric constant and capacitance. This kind of index can generally be used to indicate the capacity of material to discharge or accumulate static electricity.The other is to measure the electrostatic magnitude of the material parameters, mainly including: charge amount, charge density, electric field intensity, electrostatic potential, electrostatic energy and so on.This kind of index is mainly used to show the electrification result of the material under certain conditions.

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