A, product structure

The first layer of second layers: Conductor: mica tape insulation layer: Third

Two, the implementation of standards

PVC insulated fire resistant wires (GB/T5023-2008, JB8734-1998, GB/T19666-2005)

Three, use

The product is used for AC nominal voltage does not exceed 450/750V in the fire requirements for wire cable can still maintain a certain time to fixed layingoccasions operation in fire conditions, such as the subway, underground shopping malls, high-rise buildings, intelligent communication building.

Four, the use of the characteristics and technical performance

1) allowed working temperature of cable conductor can not exceed 70 DEG C,laying temperature not lower than 0 DEG C; 2) cable bending radius: outer diameter of cable (D) less than 25mm, the bending radius should not less than 6D; the outer diameter of the cable (D) greater than 25mm, the bending radiusshould not less than 8D; 3) refractory grade: the rated voltage, the tolerance of the flame temperature of 750 DEG C, the normal working hours at least 90min.

Five, model description