Chinese Professional Semi-Conductive Crosslinkable Insulation Screen – PYJJ-35 Semi-conductive Crosslinkable Insulation Screen for XLPE Cable up to 35kV – ONE WORLD
Product Detail
Introduction
PYJJ-35 is a type of semi-conductive conductor for MV XLPE insulation cable, which has stable quality and meets with dry or wet method process. The cable is produced with some excellent properties like smooth surface, favorable electrical and physical performances, facile process and others.
Parameters
| Item | Testing method | Standard value | Typical value | ||
| National | International | ||||
| Density (g/cm3) | GB/T 1033.1-2008 | ISO 1183-1:2004,IDT | ≤1.2 | 1.15 | |
| Tensile strength (MPa) | GB/T 1040.2 | ISO 527-2:1993,IDT | ≥10.0 | 16 | |
| Breaking elongation (%) | GB/T 1040.2 | ISO 527-2:1993,IDT | ≥200 | 250 | |
| Brittleness temperature(-40℃, 30pieces) (Piece) | GB/T 5470-2008 | ISO 974:2000,MOD | ≤15 | 0 | |
| Hot set elongation(200℃, 0.2MPa, 15min) | Elongation under load (%) | GB/T 2951.21-2008 | IEC 60811-2:2001,IDT | ≤100 | 45 |
| Permanent deformation after cooling (%) | ≤15 | 0 | |||
| Ageing(135℃, 168h) | Change of tensile strength (%) | GB/T 2951.12 | IEC 60811-1:1985,IDT | ≤±30 | 15 |
| Change of elongation (%) | ≤±30 | -20 | |||
| DC volume resistivity(20℃) (Ω·m) | GB/T 3048.3-2007 | — | ≤100 | 40 | |
| DC volume resistivity(90℃) (Ω·m) | ≤2500 | 500 | |||
| 90℃ DC volume resistivity after air thermal ageing(100℃, 168h) (Ω·m) | ≤500 | 300 |
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