This product is a new cable with seamless copper tube sheath and magnesium oxide crystal powder as insulation material in the middle. The conductor is a single copper rod. It has high temperature resistance, fire prevention, explosion-proof, non-combustion (250℃ can be continuous long time operation, 1000℃ limit state can also make 30min short time operation) and large discharge, small outer diameter, high mechanical strength, long service life, anti-ant, anti-rat bite, copper sheath protection grounding wire and other characteristics.

Excellent fire performance, wide range of specifications, easy installation, corrosion resistance, high mechanical strength, continuous production, superior electrical performance, low cost, fire can be long time continuous power supply, can be continuous power supply for 180min in the fire temperature of 950℃~1000℃, and can withstand the impact of spraying water and heavy objects fall,meet the require ments of BS6387：2013 or BS8491:2008.

The conductor is made of twisted strands of copper wire with good bending characteristics. A high temperature resistant, not burning inorganic insulation materials, synthetic mica tape and heat-resistant can reach 1050 ℃, metallic sheath use high conductivity copper materials, special processing by the rolling ground with good bending properties, and can be used as the PE line, outer sheath with low smoke zero halogen flame retardant polyolefin material, good anti-corrosion properties, some occasions without outer sheath.

BBTRZ mineral insulation flexible fireproof cable, using twisted copper conductor, inorganic mica belt as a fireproof layer, mineral compounds for oxygen insulation filling layer and other advanced technology, as well as in the outer coating under the condition of flame combustion, non-melting non-combustible inorganic material and outer protective layer. Suitable for tunnel, bridge, cable trench, cable box, shaft, high-rise building, subway, shopping malls, hospitals, schools, hotels, museums, stations, public entertainment places, data centers and other crowded places, high security and important places of power transmission and distribution line installation.