This product has high fire resistance and can withstand direct flame combustion without short-circuit or short-circuit failure within a certain period of time. Therefore, it is helpful to reduce losses when a fire occurs. Low-smoke halogen-free cables are environmentally friendly cables, especially suitable for those with high fire protection requirements. Oil fields, steel plants, power stations, power plants, mining, chemical industry, mines, large construction, railways, ships and other industries.
Two: Product execution standards
/.
Fire-resistant properties comply with B.-Requirements ()
Three: Usage characteristics
. AC rated voltage: / ./
． High long-term operating temperature: Flame-retardant PVC insulation and sheathing ℃ and ℃
Fluorine plastic insulation and sheathing ℃ and ℃
Cross-linked polyethylene insulation ℃
. Low ambient temperature: flame-retardant polyvinyl chloride sheath: fixed laying - ℃, non-fixed laying - ℃
Fluorine plastic insulation and sheath: fixed laying - ℃; non-fixed laying - ℃
． Fire resistance characteristics:
Meets the specified flame temperature ℃, burning time, cooling time, additional rated voltage, additional current
Meets the B.-type flame temperature - ℃, burning time, additional rated voltage and current
Comply with B.-Class B flame temperature -℃, burning time, additional rated voltage and current
. The temperature of cable installation and laying shall not be lower than ℃
． The recommended allowable bending radius for laying: for non-armored cables, it should not be less than times the outer diameter of the cable
For armored cables, it should not be less than times the outer diameter of the cable
Flame retardant/fire-resistant cable/Zhengzhou cable manufacturer