Maximum long-term operating temperature of cable
(1) Temperature-resistant vinyl-polyfluoroethylene insulation and sheath: 70℃ and 105℃; Cross-linked polyethylene insulation: 90℃.
(2) Fluoroplastic insulation and sheath: 220℃ and 260℃; Fluoroplastic insulation and 105℃ flame-retardant polyfluoroethylene sheath: 90℃ and 125℃.
(3) Low-halogen, low-smoke flame-retardant polyvinyl chloride insulation and sheathing: 70°C; halogen-free, low-smoke flame-retardant polyolefin insulation and sheathing: 90°C and 125°C.
Minimum ambient temperature.
(1) Flame-retardant polyvinyl chloride insulation and sheath: fixed laying -40℃; non-fixed laying -15℃.
(2) Fluorine plastic insulation and sheath: fixed laying -60℃; non-fixed laying -20℃.
The safe laying temperature of cables should not be lower than 0℃.
Fire resistance properties.
Flame temperature 950℃-1000℃ Flame temperature 750℃-800℃
Burning time 90min (recommended) Burning time 90min (recommended)
Additional voltage Rated voltage (min. 100V) Rated voltage (min. 100V)
Fire resistance grade A (Grade IA~IVA) I~IV