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Rubber is an electrically insulating material, when its surface is friction, in a static state of charge accumulation, the formation of static electricity. When the static electricity accumulates to a certain amount, it will be released in the form of sparks. If the amount of discharge is slight, the human body does not constitute a hazard, but when the discharge reaches a certain level, it will cause electric shock. In order to safeguard personal safety, the rubber used in such cases must be antistatic rubber that can conduct static electricity. The dangers of static electricity are as follows ：
1. When static electricity is released, if there is a fire or flammable or explosive material around, it will cause a fire.
2. Injury to the human body, although the electric shock - generally does not belong to the fatal, but always harmful to the human body.
3. Electrostatically charged surfaces attract dust from the surrounding area. For example, the textile mill rollers in the drafting yarn, and yarn friction between the static electricity. When the static electricity accumulates to a certain extent, it will adsorb the flying yarn in the surrounding air, affecting the operation. In short, the exact definition of anti-static is not to prevent the generation of static electricity, but to eliminate the static electricity that has accumulated.
Various rubber electrical insulation properties are better, in contrast, neoprene and butyl rubber volume resistance is the smallest, known as the "semiconductor rubber", often used as anti-static They are often preferred for anti-static purposes, but they are not the only ones to be considered and can be adjusted by adding anti-static agents.
