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Insulation
resistance:
1.0 Volume resistivity
at 27°C
Ohm cm
1 X 10
9
1 X 10
14
>1 X 10
14
>1 X 10
14
2.0
Volume resistivity
at 125°C
Ohm cm
Fails
Fails
>1 X 10
12
>1 X 10
12
3.0 Insulation resistance
at 27°C
Mohm km
36.7
>500
>500
>500
4.0
Insulation resistance
at 125°C
Mohm km
at 90°C (fails)
> 50
>50
1.0
High Voltage Test
after ageing of
complete cable :
1.1 Ageing temp.
°C
80
135
160
158
1.2 Duration
168 hrs ( 7 days )
168 hrs ( 7 days )
168 hrs ( 7 days )
168 hrs ( 7 days )
2.0 Test voltage
kV
3 kV for 5 minutes
3 kV for 5 minutes
6 kV for 5 minutes
6 kV for 5 minutes
3.0 Withstand test at
room temperature
3kV for 5 min
3kV for 5 min
6 kV for 5 min
6 kV for 5 min
4.0 Break down voltage
Min.
kV
<10
<10
18
18
5.0 Spark test
kV As per IS:694 test voltage As per IS:694 test voltage 25% higher than IS:694 test
voltage
25% higher than IS:694 test
voltage
Test Details
Conventional PVC Cables
as per IS:694/IS:1554
70°C
XLPE
(Chemical Curing)
90°C
Unit
Sl.
No
at 90°C (fails)
1.0
Smoke density
(ASTM D 2843)Max.
%
>80
NA
NA
10
2.0 Toxicity index
(NES 713)
%
>25
>10
>10
<5
3.0 Oxygen Index
%
29
>29
>29
>30
4.0 Acid gas emmission
(IEC 754 P-1)
%
>25 (fails)
NA
Nil
Nil
5.0
Temperature index
(ASTM D 2863)Min.
°C
160 (fails)
250
280
280
6.0 Sweedish Chimney
test
Pass
NA
Excellent
Excellent
6.1 Flammability as per
IEC 60332-1
6.1.1
Length of unaffected
portion from lower
edge of top clamp
mm
<50
300
300
>350
<60
<60
<20
<20
F) Electrical Properties
H) Fire Retardent Properities
Wires & Cables
EBXL - XLPO
0
12
5
C
EBXL - XLPE
0
12
5
C
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