Application：
HJ0303 is a cross-linkable semi-conductive shielding compound, specially designed as bonded conductor shielding of extrusion insulation power cables rated voltage up to 36KV. It is suitable for dry vulcanization processing method at high temperature. It provides fine surface smoothness, nice extrusion flowability, good performance to prevent scorch and stable volume resistivity.
HJ0303 has improve the problem of screen invagination in the processing for the big size cable 240mm2 and above.
HJ0303 has excellent compatibility with copper conductor without copper-oxidation by adding special accessory ingredient.
Specifications：
HJ0303 meets the applicable requirements as below when processed using sound extrusion practices and testing procedures.
-AEIC CS 7 and CS 8
-ICEA S-66-524/NEMA WC 7
-IEC 60502
-IEC 60840
-UL 1072
|
Properties
|
Test Method
|
Unit
|
Typical Value
|
|
Physical Properties
|
|
Density, 23℃
|
ASTM D1505
|
g/cm³
|
1.14
|
|
Tensile Strength
|
ASTM D638
|
Mpa
|
12
|
|
Elongation at Break
|
ASTM D638
|
%
|
200
|
After Oven Aging, 168hrs at 136℃
Tensile Strength
Elongation at Break
|
ASTM D638
|
%
%
|
+10
-8
|
Hot Set Test, 200℃,0.2MPa, 15min
Elongation under Loading
Permanent Deformation after Cooling
|
IEC540
|
%
%
|
50
8
|
|
Moisture Content
|
Karl Fisher
|
ppm
|
400
|
|
Brittleness Temperature
|
ASTM D746
|
℃
|
-45
|
|
Electrical Properties
|
DC Volume Resistivity at
20℃
90℃
|
ASTM D991
|
Ω·cm
Ω·cm
|
50
500
|
Process Technology：
1、Temperature Setting of Extruder：
|
Zone
|
1#
|
2#
|
3#
|
4#
|
Tube
|
Head
|
Feeding、Water Cooling、Screw
|
|
Temp.
|
75℃
|
85℃
|
105℃
|
115℃
|
115℃
|
115℃
|
65℃
|
2、It’ s recommended to use stainless steel wire filter (20×40×20).
3、The above temperature setting are the most typical ones. With different extruder devices, it can be adjusted in terms of the practical situation after extrusion in use, combining with melting pressure and current, in order to achieve the best extrusion result.
Packages：
HJ0303 is in pellet form and packed in 500kg carton box palletized.
Storage：
HJ0303 should be stored under clean, cool, dry and ventilated conditions. Away from moisture and directly sunlight.
Safety：
HJ0303 is not hazardous article. Please refer to our Material Safety Data Sheet (MSDS) for more details.
