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Peroxide XLPE Insulation Compound for MV Cable Up To 35kV
This material is a kind of crosslinkable polyethyleneinsulation compound. It is made of high quality PE resin, dicumyl peroxide agent and antioxidant agent by plasticizing granulation. Production process uses the closed system; Loss-in-weight Feeder which guarantees stable precision of components. It has stable physical and chemical index and good processing property.
Application: 35kV crosslinkable cable insulation; Maximum working temperature is 90C.
Property
Item | Unit | |||
Density@23C | g/cm³ | ASTM D792 | 0.92±0.01 | |
Tensile strength | MPa | IEC 60811- 1- 1 | 22.5 | |
Elongation at break | % | 540 | ||
Impact embrittlement performance@-76C | Failure number | Piece | ASTM D746 | 0/30 |
After aging @135C, 168h | Tensile strength variation | % | IEC 60811- 1-2 | +4 |
Breaking elongation variation | % | -4 | ||
Hot prolongation@200C, 0.2MPa, 15min | Elongation under the load | % | IEC 60811-2- 1 | 60 |
% | 0 | |||
Dielectric dissipation factor@20C, 50HZ | － | IEC 60250 | 1 × 10-4 | |
Relative dielectric constant@20C, 50HZ | － | 2.25 | ||
Dielectric strength@20C | MV/m | IEC 60243- 1 | 40 | |
Volume resistivity@20C | Ω · m | IEC 60093 | 1× 1015 | |
% | ASTM D2765 | 86 | ||
Impurity content
Impurities Particle Size | Number of particles C1 | Number of particles C2 |
0.12~0.25 | 6 | 10 |
0.26~0.50 | 1 | 2 |
0.51~1.00 | 0 | 0 |
＞1.00 | 0 | 0 |
Particles number<C1 qualified. BetweenC1 and C2, re-inspection. Particles number> C2, unqualified.
Processing
Recommend to use conventional extruder (three layers co-extrusion, draw ratio is from 20:1 to 30:1) and other equipments need to be adjusted according to the circumstance.
Zone | Feeding Section | Compression Section | Homogenization Section | Model Section |
Temperature RangeC | 90- 100 | 100- 110 | 105- 115 | 110- 120 |
- Above temperature is only for reference.
Storage
keep at room temperature; Storage environment should be clean, dry and ventilated; Best use within six months from the date of production.
Product packing
500kg in each package; Inner lined with plastic sealed film bag; Corrugated carton with tray at the bottom.
Peroxide XLPE Insulation Compound for MV Cable Up To 35kV
This material is a kind of crosslinkable polyethyleneinsulation compound. It is made of high quality PE resin, dicumyl peroxide agent and antioxidant agent by plasticizing granulation. Production process uses the closed system; Loss-in-weight Feeder which guarantees stable precision of components. It has stable physical and chemical index and good processing property.
Application: 35kV crosslinkable cable insulation; Maximum working temperature is 90C.
Property
Item | Unit | |||
Density@23C | g/cm³ | ASTM D792 | 0.92±0.01 | |
Tensile strength | MPa | IEC 60811- 1- 1 | 22.5 | |
Elongation at break | % | 540 | ||
Impact embrittlement performance@-76C | Failure number | Piece | ASTM D746 | 0/30 |
After aging @135C, 168h | Tensile strength variation | % | IEC 60811- 1-2 | +4 |
Breaking elongation variation | % | -4 | ||
Hot prolongation@200C, 0.2MPa, 15min | Elongation under the load | % | IEC 60811-2- 1 | 60 |
% | 0 | |||
Dielectric dissipation factor@20C, 50HZ | － | IEC 60250 | 1 × 10-4 | |
Relative dielectric constant@20C, 50HZ | － | 2.25 | ||
Dielectric strength@20C | MV/m | IEC 60243- 1 | 40 | |
Volume resistivity@20C | Ω · m | IEC 60093 | 1× 1015 | |
% | ASTM D2765 | 86 | ||
Impurity content
Impurities Particle Size | Number of particles C1 | Number of particles C2 |
0.12~0.25 | 6 | 10 |
0.26~0.50 | 1 | 2 |
0.51~1.00 | 0 | 0 |
＞1.00 | 0 | 0 |
Particles number<C1 qualified. BetweenC1 and C2, re-inspection. Particles number> C2, unqualified.
Processing
Recommend to use conventional extruder (three layers co-extrusion, draw ratio is from 20:1 to 30:1) and other equipments need to be adjusted according to the circumstance.
Zone | Feeding Section | Compression Section | Homogenization Section | Model Section |
Temperature RangeC | 90- 100 | 100- 110 | 105- 115 | 110- 120 |
- Above temperature is only for reference.
Storage
keep at room temperature; Storage environment should be clean, dry and ventilated; Best use within six months from the date of production.
Product packing
500kg in each package; Inner lined with plastic sealed film bag; Corrugated carton with tray at the bottom.
