| Flame retardant PVC insulating compound
1Type and application
Product |
Application and Cable Specification
|
|
70ºC Flame retardant PVC insulating compound |
Flame retardant PVC insulating compound for cables and wires with temperature rating of conductor at 70ºC
|
|
70ºC Flexible Flame retardant PVC insulating compound |
Flexible Flame retardant PVC insulating compound for cables and wires with temperature rating of conductor at 70ºC
|
|
90ºC Flame retardant PVC insulating compound |
Flame retardant PVC insulating compound for cables and wires with temperature rating of conductor at 90ºC
|
|
105ºC Flame retardant PVC insulating compound |
Flame retardant PVC insulating compound for cables and wires with temperature rating of conductor at 105ºC
|
II、Flame retardant PVC insulating compound for wire and cables, based on PVC resin, is made into granula by mixing, plastification and granulation with adding plasticizer, stabilizing agent and etc.
III、Processing
It is recommended that compound should be processed with common extruder having L/D ratio of 20
The following temperature（ºC）profile of extruder is recommended:
Zone |
Zone 1 |
Zone 2 |
Zone 3 |
Zone 4 |
Head |
Die |
|
Temperature ºC |
140 |
160 |
170 |
175 |
180 |
175 |
IV、Storage and transport
Packaging:25kg/bag, PE membrane inside bag and Kraft outside bag.
Storage and transport: Avoiding in direct sunlight and weathering. The storage place should be in clean、cool、dry、and ventilated conditions.
V、Properties
Table
Item |
Unit |
Standard Value
|
|
70ºC Flame retardant PVC insulating compound |
70ºC Flexible Flame retardant PVC insulating compound |
90ºC Flame retardant PVC insulating compound |
105ºC Flame retardant PVC insulating compound |
|
Tensile Strength |
≥MPa |
15.0 |
15.0 |
16.0 |
16.0 |
|
Elongation at Break |
≥ % |
150 |
180 |
150 |
150 |
|
Impact Brittleness Temperature |
ºC |
-15 |
-20 |
-15 |
-15 |
|
Volume Resistivity, at 20ºC |
≥Ω.m |
1.0*1011 |
1.0*1011 |
1.0*1.011 |
1.0*1.011 |
|
Volume Resistance at working temperature |
Temperature |
ºC |
70±1 |
70±1 |
90±1 |
95±1 |
|
Volume Resistance |
≥Ω.m |
1.0*108 |
1.0*108 |
1.0*108 |
5.0*107 |
|
Dielectric Strength |
≥MV/m |
20 |
20 |
20 |
20 |
|
Hot Deformation |
≤ % |
40 |
50 |
40 |
30 |
|
Thermal Stability Time at 200ºC |
≥min |
60 |
60 |
80 |
80 |
|
Oxygen Index |
≥ |
30 |
30 |
30 |
30 |
|
Thermal Stability Time
Aging Temperature
Aging Time
Tensile Strength after aging
Variation on Tensile Strength
Elongation at Break after aging
Variation on Elongation at Break
Loss of Mass |
ºC
h
≥MPa
%
≥%
%
≤g/m² |
100±2
168
15.0
±20
150
±20
20 |
100±2
168
15.0
±20
180
±20
20 |
100±2
240
16.0
±20
150
±20
15 |
135±2
168
16.0
±20
150
±20
23 | |
Product description 
