Principles and precautions for dissipating electricity in anti-static work clothes

Anti-static work clothes refer to work clothes sewn with anti-static fabric as fabric in order to prevent the accumulation of static electricity on work clothes. Anti-static fabric is a fabric made by mixing conductive fibers or anti-static synthetic fibers at roughly equal intervals or uniformly during fabrication, or a mixture of both. Conductive fiber refers to the general term for fibers made entirely or partially of conductive materials or sub-conductive materials using metal or organic matter. Its volume resistivity ρv~
Between 104～109Ω/cm. According to the distribution of conductive components in the fiber, conductive fibers can be divided into three types: uniform conductive component type, conductive component covering type and conductive component bonded type. At present, the vast majority of antistatic fabrics are made of conductive fibers, especially those laminated with conductive components, that is, laminate fibers are mostly used.

Anti-static workwear made of conductive fibers added to chemical fiber fabrics. Its static elimination is based on two mechanisms: charge leakage and neutralization. When grounded, the static electricity on the fabric is not only neutralized by the corona discharge of the conductive fibers, but also discharged to the earth through the conductive fibers; when not grounded, the static electricity on the fabric is eliminated by the weak corona discharge of the conductive fibers.

Practice has shown that anti-static workwear can effectively suppress static electricity in workwear and remove or reduce the hazards of electrostatic discharge.

1. Under normal circumstances, where explosive gas mixtures appear continuously, frequently for a short period of time, or exist for a long time, and where explosive gas mixtures are likely to appear, flammable materials Small ignition energy at 0.25
When mJ is below 1, anti-static clothing should be worn.

2. It is forbidden to put on or take off electrostatic clothing in flammable and explosive places.

3. It is forbidden to attach or wear any metal objects on the anti-static clothing to prevent sparks.

4. When wearing anti-static clothing, it should also be used with anti-static shoes. At the same time, the ground should also be an anti-static floor and have a grounding system.

5. Antistatic clothing should be kept clean to ensure antistatic performance. When cleaning, use a soft brush or soft cloth dipped in neutral detergent to scrub, or soak and rub gently. Do not damage the conductive fibers of the fabric. Do not expose to the sun.

6. General anti-static clothing can be cleaned by yourself, while high-demand anti-static clothing needs to be cleaned by a professional cleaning agency.

7. After wearing it for a period of time, the anti-static clothing should be inspected. If the electrostatic performance does not meet the requirements, it can no longer be used.

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