Products
Ultra-purity Chemical Cross-Linkable PE Insulation Compound for EHV Power Cable (≤220KV)
Product Introduction
Chemical cross-linkable PE insulating compound for EHV power cable which regard advanced LDPE resin as the main material, adds antioxidant, cross-linking agent and other accessory addhesives, is manufactured by advanced closed extruder. It has excellent extrusion property and physical property, impurity content is controlled within limits. This product is mainly used for the insulation of High voltage &EHV cross-linking cables. It is applicable for 220KV and below cross-linking cables.
Processing Indicator
Recommend to process with the PE extruder.
| Model | Machine Barrel Temperature | Molding Temperature |
| OW-YJ-220 | 115-120℃ | 118-120℃ |
Technical Parameters
| Item | Unit | Standard Data | |
| Density | g/cm³ | 0.922±0.003 | |
| Tensile Strength | MPa | ≥17.0 | |
| Elongation at Break | % | >450 | |
| 20℃ Volume Resistivity | Ω·m | ≥1.0×1014 | |
| 20℃ Dielectric Strength,50Hz | MV/m | ≥300 | |
| 20℃ Dielectric Constant.50Hz | —— | ≤2.3 | |
| 20℃ Dielectric Dissipation Factor,50Hz | —— | ≤0.0003 | |
| Impurity Content(Per 1.0Kg) 100-250μm 250-625μm >650 μm |
unit | 0 0 0 |
|
| Air Aging Condition 135℃×168h |
Tensile Strength Variation After Aging |
% | ±20 |
| Elongation Variation After Aging | % | ±20 | |
| Hot Set Test Condition 200℃×0.2MPa×15min |
Hot Elongation | % | ≤75 |
| Permanent Deformation After Cooling |
% | ≤5 | |
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