PVC insulating material for wire and cable is a PVC-based pellet material which is produced by mixing and granulating with accessory ingredients such as plasticizers, fillers, stabilizers, lubricants and colorants.
1. Model, Name and Application of Products
|
Model |
Name |
Application |
|
J-70 |
70℃ insulation-level flexible PVC plastic |
Insulation of instrumentation communication cables and wires with rated voltages up to and including 0.6/1 kV |
|
JR-70 |
70℃ insulation-level flexible PVC plastic |
Insulation of flexible wires and cables with rated voltages up to and including 450/750V |
|
JGD-70 |
70℃ insulation-level flexible PVC plastic with high electrical property |
Insulation of wires and cables with rated voltages up to and including 3.6/6 kV. |
|
JKJ-70 |
70℃ PVC overhead insulation material |
Insulation of overhead cables with rated voltages up to and including 1 kV |
|
J-90 |
90℃ insulation-level flexible PVC plastic |
Insulation of heat-resistant wires and cables with rated voltages up to and including 450/750V |
|
J-105 |
105℃ PVC insulation material |
Insulation of wires and cables at the temperature classification of 105 ℃ |
2. Executive Standards
GB/T 8815-2008、JB/T 10260-2014、Q/WRD 001-2016
3. Processing
A single screw extruder is used in the processing, with the length-diameter ratio of screw L/D≥20. The recommended reference processing temperatures are shown below:
|
Sections |
Section 1 |
Section 2 |
Section 3 |
Section 4 |
Extrusion Head |
Extrusion
Die |
|
Temperatures/℃ |
140±10 |
160±10 |
170±5 |
175±5 |
175±10 |
170±10 |
5. Packaging, Transportation and Storage
Package: The net weight of each bag is (25±0.2) kg. The inner bag is polyethylene film and the outer bag is craft paper composites.
Transportation and storage: No exposure to sunshine and rain during transportation. It should be stored in the clean, cool, dry and ventilated warehouse.