AEI SX528

Category: XLPE , Crosslinked Polyethylene
Manufacturer: AEI Compounds Limited
Trademark: AEI
Fillers: -
Ports: Qinzhou, Shekou, Shanghai, Ningbo
Delivery Terms FOB, CIF, DAP, DAT, DDP
PDF: vW1lV8_AEI-SX528.pdf
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Easily-strippable, semi-conducting, silane crosslinkable compound for medium voltage cable screening application

This is a silane crosslinkable semi-conducting polyethylene compound to be used in conjunction with Sioplas insulation material for easily-strippable core screening applications. To achieve easily-strippable properties it is necessary to apply SX528 to hot insulation, i.e. to extrude simultaneously with the insulation through a multi-layer (2 or 3 layer) extruder head. Crosslinking occurs in the presence of moisture by migration of catalyst from the adjacent core insulation layer.
General Information
Features
  • Semi-conductive
  • Peelable
  • Crosslinkable
Uses
  • Cable sheath
  • Wire and cable applications
Agency Ratings
  • EC 1907/2006 (REACH)
RoHS Compliance
  • RoHS compliance
Forms
  • Particle
Processing Method
  • Extrusion
PhysicalNominal ValueUnitTest Method
Density 1.15g/cm³BS 2782 620A
Gel Content 30%ASTM D2765
ThermalNominal ValueUnitTest Method
Thermal deformation (120°C)70%BS 6469 99.1
Additional InformationNominal ValueUnitTest Method
Stripping Force (20°C)20NBS 6622
ExtrusionNominal ValueUnit
Head Temperature 170°C
MechanicalNominal ValueUnitTest Method
Tensile Stress 7.00MPaIEC 60811-1-1
Tensile Strain (Break)300%IEC 60811-1-1
ElectricalNominal ValueUnitTest Method
Volume Resistivity IEC 60502
    20°C < 1.0E+3ohms·cmIEC 60502
    90°C < 1.0E+3ohms·cmIEC 60502
Additional InformationNominal ValueUnitTest Method
Crosslinking or cure: The methods and duration of curing will normally be those applicable to the type of insulation material used and the radial thickness of the insulation. Curing temperature is limited to a maximum of 60-65°C.
ExtrusionNominal ValueUnit
Drying Temperature 40.0 - 50.0°C
Drying Time > 16hr
Cylinder Zone 1 Temp. 95.0°C
Cylinder Zone 2 Temp. 100°C
Cylinder Zone 3 Temp. 110°C
Die Temperature 170°C
Extrusion instructions
Most modern thermoplastic extruders will process SX528.
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