The dust on the wires should also be swept regularly
Interviewee expert: Ji Junhui, National Engineering Research Center of Engineering Plastics, Technical Institute of Physics and Chemistry, Chinese Academy of Sciences
After a long time, the wires wrapped behind the computer and TV are often filled with thick ash, and few people will clean them. Ji Junhui, National Engineering Research Center for Engineering Plastics, Technical Institute of Physics and Chemistry of the Chinese Academy of Sciences, said that wires should be wiped often, otherwise the release of plasticizers will harm health.
This is because the outer skin of the wire is mostly plastic and rubber products, when used, the temperature of the wire rises, and the plasticizer in the plastic is easy to precipitate. Part of the plasticizer volatilized into the air, which is why we can smell the taste of the wire; The other part exists on the surface of the wire, if there is dust, the plasticizer is more likely to adsorb on it, and then spread into the air, and enter the human body through breathing or touching.
After the plasticizer precipitation, the wire will harden. If the softness of the wire is found to have a significant change, or love heat, smell, it may be a signal of aging. Such a wire, the outer layer of plastic insulation is easy to break, there are small cracks, not only the protection of the metal core is reduced, the air is humid or a lot of wires are entangled together, but also easily lead to leakage and other safety accidents. Therefore, the wire accumulated dust, must be cleaned up in time. When cleaning, pay attention to power off first, and then sweep the dust with a brush.