Cross-linkable semi-conductive shielding compound is used as strippable insulation shield for cross-linked polyethylene
insulation power cable rated voltage up to 35KV. It’s suitable for high temperature vulcanization processing method. 0835
provides excellence processability, fine surface smoothness, stable volume resistivity, low pre-cure or scorch characteristic,
lower stripping force with anti-tearing property, leaving clean surface for insulation after stripped.
Description
Cross-linkable semi-conductive shielding compound is used as strippable insulation shield for cross-linked polyethylene
insulation power cable rated voltage up to 35KV. It's suitable for high temperature vulcanization processing method.
provides excellence processability, fine surface smoothness, stable volume resistivity, low pre-cure or scorch characteristic,
lower stripping force with anti-tearing property, leaving clean surface for insulation after stripped.
Packing
In Cardboard Box with inner PE bag, 600kg/box.
Technical Parameter
| Property | Test Method | Unit | Value |
| Density at 23°C | ASTM D 1505 | g/ cm3 | ≤ 1.13 |
| Tensile Strength (200 mm/min)Tensile Strength (200 mm/min) Strength Retention (Heat Aging at 135°C after 168h) | MPA % | ≥ 13 85 | |
| Elongation at Break before ageing Elongation Retention (Heat Aging at 135°C after 168h) | % % | 280 85 | |
| Volume Resistivity at 20°C Volume Resistivity at 90°C | ASTM-D991 | W.cm | 60 ≤ 600 |
| Hot Set Test Conditions At 200 ±2 °C x 0.2 MPa for 15 min | IEC 540-14 | ||
| Elongation after loading Permanent Deformation | % | ≤ 60 ≤ 2 | |
| Moisture Content | KARL FISCHER | ppm | ≤ 500 |
| Brittleness Temperature | ASTM-D746 | -40°C | |
| Stripping Force | Q/TNYM 1-2012 | N/cm | |
| 15 |
Processing Conditions
The recommended standard extrusion temperature profiles are as followings: Unit: °C
| Zone | Zone 1 | Zone 2 | Zone 3 | Zone 4 | Flange | Tube | Screw |
| Temperature Range°C | 80-85 | 90-95 | 100-105 | 105-110 | 105 | 105 | 50-55 |
We suggest using double layer filter mesh with size 40 mesh (350μm).
We recommend hopper drying at 40~60'C for 4 hours to remove moisture before extrusion.
Storage
Should be stored at room temperatures between 10~30°C. Recommended maximum storage period in dry and clean are is
12 months unopened and in original packaging after the manufacture.
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