Antistatic safety shoes and insulation safety shoes do not mix!

by:BEF     2020-11-29
Antistatic safety shoes and safety shoes insulation is two functions instead of safety shoes! Antistatic safety shoes need to put the human body static electricity which is the purpose of through the conductivity of antistatic safety shoes, to the human body static electricity into the earth. Insulation safety shoes need is the purpose of the human body from a conductor, the role of the insulation shoes also is the conductor is isolated from the body and the earth, prevent conductive. Therefore, antistatic safety shoes is conductive shoes, insulation safety shoes is insulated shoes, can not be used them, lest cause safety accidents. Antistatic safety shoes in a dry environment ( 23 ℃ temperature environment & plusmn; 2 ℃, 30% humidity environment & plusmn; 5%) And in the humid environment ( 23 ℃ temperature environment & plusmn; 2 ℃, relative humidity 85% & plusmn; 5%) Resistance in 100 k Ω & le; Resistance & le; 1000 k Ω, the safety shoes has a certain weak conductive function, can be in the human body static electricity through antistatic safety shoes import underground. And insulation safety shoes are not used conductive insulating material, through the shoes will be the personal and the isolation, make the person even if contact with conductive, also won't produce because of the current through the body into the accident. And anti-static static safety shoes in the human body is derived after make human body static electricity is very low, not easy to appear due to static electricity with the dust raised by the relatively clean effect. Electric insulation is the requirement of safety shoes in the environment temperature 15 ℃ ~ 35 ℃ relative humidity of 45% ~ 75%, the experiment voltage 6 kv, experiment 1 min, for leakage current & le; 1. 8 ma, this kind of safety shoes is to enable the wearer to ground insulation to prevent electric current through the body with the earth between pathway, shock damage to human body, the risk of electric shock when reduced to a minimum, because electric shock when the current is the contact point on the surface of the defined by the human body, it also prevent step within the scope of the test voltages to the harm of human body. Static electricity is ubiquitous, but electrostatic voltage is very low, far short of our common daily voltage, it's not much of a harm to human body, but in the electronic manufacturing enterprises, static electricity can damage to the electronics product, this is one of them. Electrostatic is can absorb dust, this makes the need to work in a clean room environment can not meet the requirements, so need anti-static shoes with anti-static clothing. Insulated shoes use workplace is different, in the process of production, process and material requirement is different, so the anti-static shoes cannot be used as insulated shoes.
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