P-10040-CB is a deformation resistant semiconductive compound designed for use as shielding material both for conductor and insulation of power cable core. The compound is characterized by its good stress crack resistance, balanced volume resistivity and excellent process ability. Thermoplastic Semiconductor Compound for Conductor / Insulation Shielding of Power Cables
|Properties- Physical & Mechanical||Typical value||Unit||Test Method|
|Density||1.12||G/cc||ASTM – D- 1505|
|MFI at 190°C/5 Kg.||0.91||Gm/10min.||ASTM-D-1238|
|Tensile Strength at Break||125||Kg/cm.sq||ASTM-D-638|
|Elongation at Break||300||%||ASTM-D-638|
|Heat Distortion Temp.||62||Deg.C||ASTM-D-648|
|Heat Shok Temp. 130°C, 4hrs||No flow/ no crack||:No flow/ no crack||PPIL Std.|
|Vicat softening point||96||deg.C||ASTM-C-1525|
|ESCR, 50°C/10 % Igepol soln.||>100||Hr||IEC811|
ApplicationP-10040-CB is suitable as shielding material for cables up to 33KV. It is rated for 90 deg.
C continous services and 130 deg. C overload temperature.
Recommended Extrusion Conditions :
The Compound is Extrudable in Conventional Polyethylene wire and cable extrusion line.
Pre – Drying :
P-10040-CB shall be per 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 :
|Zones||Zone 1||Zone 2||Zone 3||Zone 4||Head||Die|
• Based on experience of extrusion in 25 mm single screw extruder
Screw Cooling :
Moisture resistant high density carboy containing 25 kg.
This information is to the beat 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.