Marked 5 months 3 weeks ago onto What is a Fireproof Cable?

Refractory cables are classified as class A and class B. Class B cables can withstand combustion for at least 90min at 750 ~ 800 flame and rated voltage without breaking. On the basis of improving the manufacturing process of refractory layer and adding refractory layer, the a-class refractory cable is developed, which can withstand combustion at 950 ~ 1000 flame and rated voltage for at least 90min, and the cable is not punctured.
The fire resistance of class A refractory cable is better than that of class B. In addition, mineral insulated cable is made of copper core, copper sheath, magnesium oxide insulation material processing refractory cable performance is better, referred to as MI (mineral insulated cable) cable.
MI cable has good fire characteristics, can work at 250 high temperature for a long time, but also has the characteristics of explosion-proof, corrosion resistance, high flow rate, radiation resistance MI cable has the characteristics of explosion-proof, high corrosion resistance, high current capacity, radiation resistance, high mechanical strength, small size, light weight, long life, smokeless.
But the price is high. The technology is complex, the construction of oil irrigation area is difficult, important wooden public buildings, high temperature places and other high fire resistance requirements, acceptable economic occasions, the use of refractory cable.
If you want to learn more, click here:https://www.zmscable.com/zms...
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