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Description of products
This product is polyethylene cable insulation material with polyethylene resin as the main raw material and carbon black, lubricant and other additives, after mixing, plasticizing, granulation system. This material has excellent dielectric properties, resistance to low temperature and environmental stress cracking properties. Can be widely used in overhead cable or other similar occasions.
Product category
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Black weather resistance linear low density polyethylene insulating material
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KJPE-NLDJ
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Black weather resistance middle density polyethylene insulating material
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KJPE-NMJ
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Black weather resistance high density polyethylene insulating material
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KJPE-NGJ
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Technical indicators
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KJPE-NLDJ
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KJPE-NMJ
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KJPE-NGJ
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Densityg/cm3
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<0.940
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0.940-0.955
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0.955-0.978
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tensile strength≥MPa
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14.0
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17.0
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20.0
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elongation at break≥％
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600
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600
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650
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low temperature impact embrittlement temperature-76°C
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passing
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passing
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passing
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20°C volume resistivityΩ.m≥
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1*10“
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1*10“
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1*10"
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dielectric strength≥MV/m
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25
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35
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35
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dielectric constant
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/
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<2.45
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<2.45
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dielectric loss factor
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/
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<0.001
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<0.001
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after ageing
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test temperature°C
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100±2
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110±2
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110±2
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testing time h
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240
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240
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240
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tensile strength≥
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13.0
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16.0
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20.0
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tensile strain at break ≥
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500
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500
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650
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solution flow rate g/10min≤
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1.0
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1.5
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0.4
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vicat softening point°C≥
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/
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110
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110
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resistance to environmental stress crackingFo/h≥
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500
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500
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500
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Packaging and storage
Polyethylene cable overhead insulation material inner bag with polyethylene film bag, outer bag with woven bag. The company generally uses 750kg/ bag large packaging, but also according to the need to use 25kg/ bag packaging or other forms of packaging. This product should be stored in clean, cool, dry, ventilated warehouse, storage period from the date of production for half a year.
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