PVC elastomer cable materials are a pellet material, which is based on PVC and modified polymer materials and produced by mixing and granulating with accessory ingredients such as plasticizers, fillers (flame retardant), stabilizers and lubricants.
1. Model, name and application of products
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Model |
name |
application |
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JT-70 |
PVC elastomer insulation materials at 70 ℃ |
Insulation for soft mobile wire and cable at the thermal class of 70 ℃ |
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HT-70 |
PVC elastomer sheath materials at 70 ℃ |
Sheath for soft mobile wire and cable at the thermal class of 70 ℃ |
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HTZ-70 |
Flame retardant PVC elastomer sheath materials at 70 ℃ |
Flame retardant sheath for soft mobile wire and cable at the thermal class of 70 ℃ |
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HT-90 |
PVC elastomer sheath materials at 90 ℃ |
Sheath for soft mobile wire and cable at the thermal class of 90 ℃ |
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HTZ-90 |
Flame retardant PVC elastomer sheath materials at 90 ℃ |
Flame retardant sheath for soft mobile wire and cable at the thermal class of 90 ℃ |
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JT-105 |
PVC elastomer insulation materials at 105 ℃ |
Insulation for heat-resistant soft mobile wire and cable at the thermal class of 105 ℃ |
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HT-105 |
PVC elastomer sheath materials at 105 ℃ |
Sheath for heat-resistant soft mobile wire and cable at the thermal class of 105 ℃ |
2. Executive Standard
Q/WRD 004-2016
3. Products properties
The products properties are shown in Table 8.
4. Processing
Single screw extruder is used in processing, with the aspect ratio of screw L/D≥20. The recommended reference processing temperature is shown below:
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Sections |
Section 1 |
Section 2 |
Section 3 |
Section 4 |
Extrusion head |
Die |
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Temperature/℃ |
140±10 |
150±10 |
160±5 |
165±5 |
165±5 |
165±10 |
5. Packaging, transportation and storage
Package: net weight of each bag (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 clean, cool, dry and ventilated warehouse.
Table 8 Products properties
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Test items |
JT-70 |
HT-70 |
HTZ-70 |
HT-90 |
HTZ-90 |
JT-105 |
HT-105 |
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Tensile strength/MPa ≥ |
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Tensile strain at break/% ≥ |
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Thermal deformation ≤ |
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Impact brittle property |
Test temperature /℃ |
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Impact brittle property |
Pass |
Pass |
Pass |
Pass |
Pass |
Pass |
Pass |
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Thermal stabilization time at 200℃/min ≥ |
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volume resistivity at 20℃/Ω·m ≥ |
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dielectric strength /（MV/m）≥ |
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Oxygen Index/% ≥ |
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volume resistivity at work temperature |
Test temperature /℃ |
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volume resistivity/Ω·m ≥ |
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Thermal aging test temperature/℃ |
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Thermal aging test time/h |
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Tensile strength after aging/MPa ≥ |
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The biggest change rate of tensile strength/% |
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Tensile strain at break after aging/% ≥ |
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The biggest change rate of tensile strain at break/% |
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Shore hardness/A ≤ |
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Tensile retraction/% ≤ |
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