Antistatic cloth knowledge

1 ) Electrostatic generation: When any object is separated by other contact and then separated, the electrons are separated from the orbit by external force. This external force contains various energy (such as kinetic energy, potential energy, thermal energy, chemical energy, electromagnetic induction, etc.) to generate static electricity. .

2 ) Electrostatic Hazard: When the electrostatic charge generated by an object builds up more and more, forming a very high potential, when it comes into contact with other uncharged objects, a very high potential difference will be formed and a discharge phenomenon will occur. When the voltage reaches more than 300 volts, the resulting electrostatic spark can ignite the surrounding combustible gases, liquids, dust and cause explosions! Static electricity has seriously jeopardized people's production and life in various fields, such as military, pyrotechnics, petroleum, natural gas, chemical, marine, photographic materials, coal, rubber, medicine, gas, etc.; another example, fuel tank storage sector, electronic devices Manufacturing, microelectronics related industries, machinery and electronics, optoelectronics, office automation, information and communications, electronic medical, computer and other industries

2 basic classification of anti-static cloth

1 ) Anti-static silk (conductive silk ) and anti-static super-clean fabric

2 ) Anti-static T/C fabric

3 ) Anti-static T/R fabric

4 ) Anti-static CVC fabric, etc.

5 ) Anti-static cotton fabric

3 Fabric anti-static processing method

1 ) Fabrics are treated with antistatic finishing agents;

2 ) Fiber graft modification for the purpose of improving the hygroscopicity of the fabric, blending and interweaving of hydrophilic fibers;

3 ) Blended or inlaid conductive fibers;

The mechanism of action of the first two methods is to increase the moisture regain, reduce the insulation, and accelerate the electrostatic discharge. Therefore, if the processing effect is " not durable or inconspicuous " in a dry environment or after multiple washings , it is usually applied to ordinary clothing fabrics. Only the third method can solve the electrostatic problems of textiles in a lasting and efficient manner, so it is widely used in the production of anti-static overalls fabrics.

4 difference between conductive fabric and blended fabric

1 ) The conductive threads in the conductive fabric are mainly embedded on the back of the fabric. The back of the fabric is a semiconductor. The front of the fabric is an insulator. Elimination of static electricity generated by the friction between the garment and the human body does not eliminate static electricity generated by friction with external equipment, and there is still electric charge accumulating on the front of the garment.

2 ) Because the blended fabric is the conductive fiber added to the yarn in the textile process, the front and back of the fabric belong to the semiconductor, can quickly and uniformly eliminate static electricity generated by the human body and clothing, and the static electricity generated on the garment surface when in contact with the outside world. No charge accumulates in clothing. At present, we use conductive fabrics.

5 The difference between black and white silk

1) White silk : metal oxide polyester conductive fiber

2) of black silk: a conductive carbon black and polyester composite metal oxide.

 

Sizing: Since the conductive filaments are expensive, the warp yarns embedded in the conductive filaments are placed on the pedestal close to the vat (the double pedestal should also be placed on top). This will reduce the amount of wire embedded in the conductive filaments. Waste, two can be easy to see, inlaid conductive filaments to be evenly spaced, before the fall shaft to ensure a certain string .

Weaving: like 2/1 twill and 3/1 knit cards, generally with corresponding 1/2 and 1/3 weaving (because of the conventional 2/1 or 3/1 weaving, the conductive yarn floats more on the front of the fabric Obviously, customers generally require that no conductive wire be exposed on the front side of the fabric, and that the effect after 1/2 or 1/3 of the process is significantly improved, so that it can basically meet customer requirements .

 

Rubber Bellows and Tubing

Rubber bellows have versatile functions as [dust boots" or seals, used to seal out dust and other light-duty environmental factors while allowing a specific stroke or predetermined range of motion. They are quite common in industrial and automotive applications.

Rubber Bellows are used as a cover or expansion joint to protect device or machines, which are made by rubber compression molding, rubber injection mold or extrusion tool.

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