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Halogen Free Fire Retardant (Flame Resistant) Control Cable
Product Name: Halogen Free Fire Retardant (Flame Resistant) Control CablePlace of Origin: ChinaProperty and function: the products of halogen-free low smoke fire retardant (flameresistant) control cable are provided with excellent mechanical physical property,electrical property, fire retardant (flame resistant) property, and also withproperties of halogen free, low smoke, etc. This product is suitable for controllingand monitoring return circuit and protecting line with rated voltage 0.6/1kVand below, which requires specially fire safety, such as tall buildings, metros,oil platforms, computer centers, nuclear power stations, hospitals, ships,etc.Properties of application:1) Max. rated temperature of the conductor is 90oC2) Max. short-circuit temperature of the conductor shall not exceed 250oC3) Max. sustaining period not exceed 5 seconds4) Installation temperature of cable shall not below 0oC5) Recommended permissible bending radius:a) For non-armored cable, shall not be less than 6 times of the cable`s overalldiameterb) For armored or copper tape shielded cable, shall not be less than 12 timesofthe cable`s overall diameterc) For soft cable with shield layer, shall not be less than 6 times of the cable`soverall diameterConstruction specifications of cable:1) Conductor: round solid or twisted conductor is adopted for the conductor of thecable, its construction and resistance accord with the requirements of GB 9330-88in "plastic insulated control cable"2) Insulation: the XLPE is adopted for the insulation material; fire-retardant insulationmaterial consists of two parts: wrapped mica tape and XLPE. Mica tape is hightemperature insulation material, it may be not breakdown for 3 hours, attemperature 1073K and voltage 1,000V3) Filling and wrap: insulated conductor is twisted to cable, and the gap betweenthefinished cables is filled with halogen-free low smoke fire retardant strand.Thewrapped material adopts halogen-free low smoke fire-retardant tape, overlappedwrapping4) Undersheath and oversheath: the halogen-free low smoke fire retardant polyolefinmaterial, adopted in both undersheath and oversheath, is a special material forhalogen-free, fIfe-retardant, low smoke and low toxicity polyolefin cable, withexcellent extrusion and fire-retardant properties, operating temperature is 90oC
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