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Description of products
KJWDZJ-7032A x KJWDZJ-7032B . KJWDZJ7032C is thermoplastic low smoke halogen free flame retardant insulation material. It has excellent mechanical and physical properties and flame retardant properties. The operating temperature of the product is -40°C ~ 90°C, in line with the RoHS directive and REACH regulations. It is suitable for the insulation layer of power cables, communication cables and control cables.
Main performance indicators
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Item
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Unit
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Technical requirements
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KJWDZJ-7032A
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KJWDZJ-7032B
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KJWDZJ7032C
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Density
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g/cm3
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<1.5
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"5
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G.5
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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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>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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>150
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thermal ageing 110°Cx240h
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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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±25
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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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±25
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thermal deformation 90°Cx5h
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%
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<50
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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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220
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220
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220
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20°Cvolume resistivity
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Q・m
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>1x1012
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>1x10,2
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>1x1012
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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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-40
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oxygen index
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%
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>36
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>33
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>30
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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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《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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>4.3
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Electrical conductivity
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Us/mm
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<10
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<10
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<10
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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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《5.0
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smoke density
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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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<350
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with flame
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<100
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<100
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<100
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Processing technology
This product processing performance is superior, suitable for extrusion pipe, half extrusion pipe, extrusion die extrusion. The length diameter ratio of extrusion screw is 18~25, the compression ratio is 3:1, the temperature control of each area of the material barrel should have cooling device.
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Model
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barrel temperature
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head temperature
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KJWDZJ-7032A/KJWDZJ-7032B/KJWDZJ-7032C
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130~140°C
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150~160°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 material is opened, it is recommended to be used up within 24 hours. If the packaging is called, it can be used only after drying.
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