Anti-static safety shoes and insulated safety shoes are two safety shoes with opposite functions!
The purpose of the anti-static safety shoes is to collect the static electricity accumulated by the human body, and to introduce the static electricity of the human body into the earth through the conductivity of the anti-static safety shoes.
The purpose of the insulated safety shoes is to isolate the human body from the conductor. The function of the insulating shoes is to isolate the human body from the conductor of the earth to prevent conduction.
Therefore, the anti-static safety shoes are conductive shoes, and the insulated safety shoes are insulated shoes, which cannot be mixed to avoid a safety accident.
Anti-static safety shoes require resistance values in a dry environment (temperature environment 23 °C ± 2 °C, humidity environment 30% ± 5%) and in a humid environment (temperature environment 23 ° C ± 2 ° C, relative humidity 85% ± 5%) In 100KΩ ≤ resistance value ≤ 1000KΩ, this safety shoe has a certain weak conductive function, which can introduce static electricity accumulated on the human body into the underground through anti-static safety shoes.
Insulating safety shoes are made of insulating materials that are not electrically conductive. The shoes are used to isolate the human body from the earth, so that even if the person is in contact with the electrical conductor, there will be no accident due to electric current entering the ground. At the same time, the anti-static safety shoes can make the human body static electricity and the static electricity of the human body is very low, so that the dust caused by the static electricity is not easy to achieve a relatively dust-free effect.
The requirements for electrically insulated safety shoes are in the ambient temperature 15 ° C ~ 35 ° C relative humidity 45% ~ 75%, the experimental voltage 6kV, the experimental time 1min, the required leakage current ≤ 1.8mA, this safety shoes is to make the wearer insulated from the ground Prevent current from forming a path between the human body and the earth, causing electric shock damage to the human body and minimizing the risk of electric shock. Because the electric current flows into the ground through the human body through the contact point when the electric shock is applied, it also prevents the crossover within the test voltage range. The danger of step voltage on the human body.
Static electricity is ubiquitous, but the electrostatic voltage is very low, far from the daily voltage we usually use. It does not cause much harm to the human body, but in electronics manufacturing companies, static electricity can cause damage to electronic products. It is one of them. Static electricity can also absorb dust, which makes the environment that needs to work in the clean room not meet the requirements. Therefore, anti-static shoes need to be used together with anti-static clothing.
Insulated shoes use different workplaces. In the production process, the process and materials are also different, so anti-static shoes can not be used as insulated shoes.