Check up to five results to perform an action.
SPACER CABLE TECHNICAL DATA FOR 3 LAYER COMPOUNDS
The first layer data (inner layer) 35kV semi-conducting shield compound
DESCRIPTION
UNIT
REQUIRED VALUE
1
Color
Black
2
Density (23℃)
g/cm3
1.11
3
Tensile strength before aging
Mpa
min 14
Elongation at break before aging
%
min 200
4
Performance after air oven aging
Testing temperature
℃
135±2
Testing time
hours
168
Tensile strength variation before & after aging
15
At-break-elongation variation before & after aging
-7.5
5
Hot set test(0.2MPa,200℃, 15min)
Elongation under load
43
Variation after cool
0
6
Volume resistivity at 20℃
Ω.cm
33
7
Volume resistivity at 90℃
181
8
Volume resistivity at 90℃(volume resistivity at 90℃, after air oven aging (100℃*168hours))
124
The second layer data (middle layer) 35kV XLPE, color natural (clear)
Clear, natural
0.926
min 23
min 500
-9.3
-17
35
Dielectric loss factor, 20℃, 50Hz
0.0004
Dielectric coefficient, 20℃, 50Hz
2.1
Ω.m
1.5 x 1013
9
Dielectric strength
MV/m
The third layer data (outer layer) 35kV XLPE, Gray, UV resistant, weather resistant
Gray
min 24.7
min 521
-7
-5
0.00005
2.0
1.4 x 1015