DESCRIPTION
:
P-10040-CB is a defromation resistant semiconductive compound designed for use as shielding material both for conductior and insulation of power cable core. The compound is characterixed by its good stress crack resistance , balanced, volume, resistance,balanced volume resistivity and excellent proessability.
APPLICATION :
P-10040-CB is suitable as shielding material for cables up to 33 Kv. It is rated for 90deg.C continuous service and 130 deg.C overload temperature.
TECHNICAL DATASHEET :
Property |
Test
Method |
Unit |
Typical
value |
Density |
ASTM-D-1505 |
gm / cm3 |
1.12 |
|
MFI at 190°
C / 5 Kg. |
ASTM-D-1238 |
G / 10 |
0.91 |
|
Unaged
mechanical properties: |
|
|
|
Tensile
Strength at Break |
ASTM-D-638 |
Kg. / cm2 |
125 |
|
Elongation
at Break |
ASTM-D-638 |
% |
300 |
|
Heat
Distortion Temp. |
ASTM-D-648 |
°
C
|
62 |
|
Vicat
softening point |
ASTM-D-1525 |
°
C |
96 |
|
ESCR, 50°
C / 10% Igeopol soln. |
IEC811 |
hr |
>100 |
|
Volume
Resistivity |
ASTM-D-257 |
ohm.cm |
500 |
RECOMMENDED EXTRUSION CONDITIONS :
Extruder
The compound is extrudable in conventional polyethylene wire and cable extrusion line.
Pre – Drying
P-10040-CB shall be pre dried before use,Usually 3-5 hr drying in dehumidified hopper at 70-80 deg.C is sufficient unless compound is exposed to atmosphere for long period.
Temperature profile for extrusion
| Zone 1
|
Zone
2
|
Zone
3
|
Zone
4
|
Head
|
Die
|
| 130°
C |
140°
C |
150°
C |
160°
C |
170°
C |
170°
C |
· Actual conditions may vary according to the type of extruder used
Screw cooling : 70°
C
FORM
AND PACKING :
Delivery Form : pellets
Packing : 20 Kg PE bags packed in 230 Lt HDPE container
This information is to the best of our knowledge. The values of different parameters and operating conditions listed above are guidance only and should not be used for drawing specifications. The results & operating conditions may vary depending on methods of test and manufacturing / testing equipments.
