Standard implemented:
PVC insulated flame-retardant power cables for coal mine are in XLPE insulated with MT 818.12-1999.
XLPE insulated flame retardant power cables for coal mine are in accordance with MT181.13-1999.

Main usage and application scope:
The products are applied for transmitting and distributing power in power system supply line needing flame-retardance in coal mine well.

Operating condition:
Max rated temperature of cable conductor: PVC insulation should be not exceed 70deg. C; XLPE insulation should not exceed 90deg. C.
Max conductor temperature in short circuit(Max lasting time: 5s): PVC insulation??160deg. C; XLPE insulation??250deg. C.
When laying cable, Min, bend radius of single core cable is 20 times of outer diam; Min. Bend radius of multi-core is 15 times of outer diam.