What is mineral insulated fireproof cable?

I. What is mineral insulated fireproof cable? Mineral fireproof cable is a very early fireproof cable, originated in Switzerland in 1859, in 1987 the domestic establishment of trial production base, in 1997 the domestic formation of large-scale production, began to be widely used in a variety of occasions. Mineral fire cable with orange low smoke halogen-free sheath, with fire, water, corrosion, mechanical damage, continuous operating temperature of 250 ℃, when a fire occurs when the combustion temperature of 950 ℃ -1000 ℃ can continue to supply power for 3 hours, commonly used in the field of electrical engineering, important public occasions. Mineral cable is divided into two kinds: flexible mineral insulated fire cable and rigid mineral insulated fire cable flexible mineral insulated fire cable main models are: BBTRZ, RTXMY, NG-A rigid mineral insulated fire cable main models are: BTTRZ, BTTZ, YTTW

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