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Description of products
KJNR130-NR8033A、KJNR130-NR8033B is thermoplastic low smoke halogen free flame retardant sheath material. It has excellent mechanical and physical properties, flame retardancy, temperature resistance and heat resistance cracking performance. This product can meet the temperature resistance class of 105°C without cross-linking. In accordance with RoHS directive and REACH regulation, applicable to power cable, communication cable, control cable sheath.
Main performance indicators
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Item
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Unit
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Technical requirements
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KJNR130-NR8033A
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KJNR130-NR8033B
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Density
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g/cm3
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<1.55
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£1.55
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tensile strength
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Mpa
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>10
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>10
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elongation at break
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%
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>150
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>150
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thermal ageing
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tensile strength gradient
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%
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±25
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±25
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135°Cx168h
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elongation at break gradient
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%
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±25
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±25
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thermal deformation 105°Cx5h
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%
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<50
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<50
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dielectric strength
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MV/m
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>18
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>18
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20°Cvolume resistivity
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Q?m
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^1x10'°
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low temperature impact embrittlement temperature
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°C
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-40
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-40
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oxygen index
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%
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>32
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>35
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halogen acid gas content
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mg/g
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<5
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《5
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pH value
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/
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>4.3
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>4.3
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Electrical conductivity
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Us/mm
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<10
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GO
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toxicity index
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/
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<5.0
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<5.0
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flameless
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Ds max
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<350
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<350
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smoke density
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with flame
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<100
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<100
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heat cracking test 150°Cx7Kgx1h
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/
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no cracking
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no cracking
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Processing technology
This product processing performance is superior, suitable for extrusion pipe, half extrusion pipe, extrusion die extrusion. The length-to-diameter ratio of the extrusion screw is 18~25, and the compression ratio is less than 3:1.
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Model
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barrel temperature
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head temperature
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KJNR130-NR8033A、KJNR130-NR8033B
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130~140°C
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140-170°C
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Notes
① Before processing, ensure that screw, barrel, hopper thoroughly clean, processing process is strictly prohibited to bring impurities.
② Once the raw materials are opened, it is recommended to use them within 24 hours. If the package is damaged, it should be dried before use.
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