What are the characteristics of flexible mineral insulated fireproof cable?

I. What are the characteristics of flexible mineral insulated fireproof cable? Because the main materials of flexible mineral insulated fireproof cable are composed of mineral compounds, it will not burn or help to burn itself. These materials generally have a high melting point of more than 1500 ℃, so the fire cable in time for the flame conditions can also play a normal power transmission function, is a real sense of fire cable. Halogen-free cable insulation, filling are inorganic compounds, no PVC materials. Therefore, under fire conditions, there is no acidic gas dispersion. ③ High temperature resistant cable can work for a long time under 125 degrees Celsius ambient temperature, and can work for a short time under 1080 degrees Celsius in case of emergency. ④Higher current-carrying capacityMineral insulated fire protection cables transmit higher currents than other types of cables of the same cross-section, and at the same time, mineral insulated fire protection cables can withstand considerable overloads. ⑤Smaller outer diameter Because mineral insulated fire protection cables do not have a large cross-section filling, the outer diameter is smaller than that of other cables with the same rated current. ⑥Waterproof Because mineral insulated fireproof cable has strict airtightness requirements, it adopts seamless metal sheath, so that it can work continuously even if it is completely immersed in water. ⑦ High mechanical strength can withstand 30 consecutive impacts in 15 minutes at 950℃ under energized condition. Comprehensively overcome the lack of mechanical properties of the cable caused by material aging. ⑧ low smoke according to IEC1034 smoke dispersion experiments, light transmission rate of 60% or more. ⑨ corrosion resistance of highly flexible mineral insulated fire cable copper sheath with high corrosion resistance, for most of the device, it does not need to take additional protective measures. In places where the copper sheath of the cable is susceptible to chemical corrosion or serious industrial staining, a plastic outer sheath should be used to protect the mineral insulated fire protection cable.

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