Features of high temperature resistant computer cables?

I. Characteristics of high temperature resistant computer cable? The structure of high temperature resistant computer cable is based on electrician copper rod as core, seamless copper tube as sheath and inorganic mineral magnesium oxide powder as insulating material, so it has many unique properties. (1) High-temperature resistant computer cable has good fire performance. Copper as the shell and core, the melting point of 1083, and magnesium oxide powder, as an insulating material, will not melt at a high temperature of 2200. Therefore, the whole cable will neither burn nor delay. The fireproof cable operated with electricity will burn in a flame of 800 ~ 1000 for nearly 2 hours, or it can be operated normally with electricity. After intoxication, the flame will rise to 1000 ~ 1040 because cables with organic insulation and sheaths will self-ignite at 380 ~ 430, and a large amount of heat will be released during combustion, which will raise the temperature and cause the fire to expand. Insulation materials almost completely lose their mechanical strength and insulation properties, and can not protect the core from continuing to run energized. (2) High-temperature resistant computer cables are resistant to high temperatures. Under the protection of the copper sheath, magnesium oxide powder, fireproof cable insulation material, can ensure that the cable in the flame of 1000 for a short period of time normal energized operation. (3) Smokeless and non-toxic. Magnesium oxide insulated fire-resistant cable does not smoke or produce any harmful gases in the flame. (4) Explosion-proof. Magnesium oxide insulation is tightly pressed between the copper core wire and copper jacket, which prevents flammable gases, flammable liquid vapors and flames from entering the cable. (5) Corrosion resistance. Copper sheath has good corrosion resistance, generally do not need additional protective measures, in the place of severe chemical corrosion, you can use plastic sheath to protect the copper sheath. (6) Waterproof. The copper sheath is made of seamless copper sheath tube, which can be energized for a long time even if it is immersed in water. (7) High-temperature-resistant fireproof cable has a high current-carrying capacity. Compared with other cables with the same core cross-section, magnesium fire-resistant cables can be operated continuously for a long time, with high current-carrying capacity and strong overload capacity. (8) High mechanical strength. As the outer sheath is made of copper, it is strong and durable, and its structure will not be damaged even if it is subjected to general mechanical shock and external force. (9) Long service life of fire-resistant cables with high temperature. The materials of fire-resistant cables, whether copper core, copper jacket or magnesium oxide powder, are inorganic materials, chemically stable, there is no insulation aging problem, and can be used for almost protection. (10) Safe and reliable. The copper jacket of the fire-resistant cable itself is a good grounding conductor, which can ensure the safety of personnel work.

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