This section provides an overview for antistatic tubes as well as their applications and principles. Also, please take a look at the list of 10 antistatic tube manufacturers and their company rankings.
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An antistatic tube is a tube with antistatic properties.
The conventional antistatic tube without antistatic function is covered with a conductive material, such as metal wire or metal mesh. Although this method can prevent antistatic tube, it requires work to cover the tube, and if the tube is not properly covered, the grounding may be lost. In addition, because metallic materials are used, this method is not suitable for corrosive environments.
An antistatic tube has a conductivity in the tube itself, so the above work is not necessary and these problems can be solved.
Because antistatic tubes are designed to be less susceptible to static electricity, they can prevent the accumulation of static electricity and the generation of sparks due to static electricity discharge. This makes them useful when handling organic solvents such as acetone and thinner, which can cause ignition hazards. Major applications include semiconductor manufacturing equipment, where such solvents and their gases must be transported.
Static electricity is also a source of noise, which adversely affects electronic equipment. The transportation of liquids and gases around such equipment is another typical application of antistatic tubes.
Electrification refers to a state in which an imbalance of electric charges within a material is created. Charging occurs when materials come into contact with each other, rub against each other, or peel off from each other. In the case of tubing, which is used to transport fluids, contact and friction between the tubing and the fluid causes the surfaces inside the tubing to become charged.
Conductive materials such as metals allow electrons to move freely within the material even when charged.
Features of conductive materials, such as metals, are that electrons can move freely within the material even when charged, and thus charge uniformity and diffusion can easily occur. On the other hand, insulating materials, unlike conductive materials, have difficulty in diffusing charge, so partial charging may occur.
Fluoropolymers such as PTFE and PFA are typical materials often used for tubing. Fluoropolymers are widely used because of their excellent resistance to chemicals and heat, but they also have high insulating properties, which means that they are easily electrically charged.
If a tube is charged by contact with a fluid or by friction, not only sparks may occur, but in some cases the tube itself may be damaged due to a phenomenon called dielectric breakdown. It is extremely important for safe fluid transfer that tubes be electrically conductive to prevent electrification.
*Including some distributors, etc.
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