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China PVC Insulated Cable Material Suppliers - Durable, Cost-Effective Solutions from a Leading Factory
PRODUCT FEATURES
Excellent Dielectric Properties
PVC is a good electrical insulation material, can effectively prevent current leakage, so as to ensure the safe and stable operation of the cable system.
Strong Corrosion Resistance
PVC insulated cable material has strong corrosion resistance to many chemicals and environmental factors, so that it can maintain a long service life in a variety of applications.
Mechanical Strength
PVC cable material has sufficient mechanical strength and can resist tensile, extrusion and bending stresses.
Recyclability
PVC cable materials can be recycled and reused, helping to reduce environmental impact.
SCOPE OF USE
Cable and optical cable, coaxial cable, network cable, elevator cable, etc.
Test items and standards
Mechanical, physical and electrical properties of polyvinyl chloride cable material
| Item | J-70 | JR-70 | JGD-70 | J-90 | |
|---|---|---|---|---|---|
| Tensile strength/MPa | ≥ | 15.0 | 15.0 | 16.0 | 16.0 |
| Tensile strain at break/% | ≥ | 150 | 180 | 150 | 150 |
| Thermal deformation | ≥ | 40 | 50 | 30 | 30 |
| Brittle property test temperature/℃ | -15 | -20 | -15 | -15 | |
| Impact embrittlement properties | Pass | Pass | Pass | Pass | |
| Thermal stability time at 200℃/min | ≥ | 60 | 60 | 100 | 180 |
| Volume resistivity at 20℃/Ω·m | ≥ | 1.0×1012 | 1.0×1011 | 3.0×1012 | 1.0×1012 |
| Dielectric strength/(MV/m) | ≥ | 20 | 20 | 25 | 20 |
| Dielectric loss factor(50Hz) | ≤ | — | — | 0.1 | — |
| Test temperature/℃ | 70±1 | 70±1 | 70±1 | 95±1 | |
| Volume resistivity/Ω·m | ≥ | 1.0×109 | 1.0×108 | 5.0×109 | 5.0×108 |
Mechanical and physical properties of polyvinyl chloride cable material after aging
| Item | J-70 | JR-70 | JGD-70 | J-90 | |
|---|---|---|---|---|---|
| Test temperature/℃ | 100±2 | 100±2 | 100±2 | 135±2 | |
| Test time/h | 168 | 168 | 168 | 240 | |
| Tensile strength after aging /MPa | ≥ | 15.0 | 15.0 | 16.0 | 16.0 |
| Maximum tensile strength change rate/% | ±20 | ±20 | ±20 | ±20 | |
| Tensile strain at fracture after aging/% | ≥ | 150 | 180 | 150 | 150 |
| Maximum change rate of tensile strain at break/% | ±20 | ±20 | ±20 | ±20 | |
| Test condition | 100±2℃ | 100±2℃ | 100±2℃ | 115±2℃ | |
| 168 h | 168 h | 168 h | 240 h | ||
| Mass loss/(g/m2) | ≤ | 20 | 20 | 20 | 20 |
FAQ
1. What are the main features of PVC cable materials?
PVC cable materials feature excellent dielectric properties, strong corrosion resistance, high mechanical strength, and good recyclability.
2. Is PVC cable material safe for electrical insulation?
Yes, it is a superior electrical insulation material that effectively prevents current leakage, ensuring the safe and stable operation of the cable system.
3. Can PVC cable materials be recycled?
Yes, PVC cable materials can be recycled and reused, which significantly helps to reduce environmental impact.
4. What are the common applications for PVC insulated cables?
They are widely used in a variety of applications including optical cables, coaxial cables, network cables, and elevator cables.
5. How does PVC cable material perform under mechanical stress?
It possesses sufficient mechanical strength to effectively resist tensile, extrusion, and bending stresses during installation and operation.
6. What is the standard tensile strength of PVC cable material?
Depending on the specific grade (like J-70 or J-90), the standard tensile strength is generally ≥ 15.0 MPa or ≥ 16.0 MPa.