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PVC Insulated Cable Material Supplier in China - High-Quality Factory Products with Excellent Properties
Product Features
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1. 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.
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2. 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.
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3. Mechanical strength
PVC cable material has sufficient mechanical strength and can resist tensile, extrusion and bending stresses.
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4. Recyclability
PVC cable materials can be recycled and reused, helping to reduce environmental impact.
Scope of Use
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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 | Condition | 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 | Condition | 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 (Temperature) | 100±2℃ | 100±2℃ | 100±2℃ | 115±2℃ | |
| Test condition (Time) | 168 h | 168 h | 168 h | 240 h | |
| Mass loss / (g/m²) | ≤ | 20 | 20 | 20 | 20 |
Frequently Asked Questions (FAQ)
What are the main advantages of PVC insulated cable material?
PVC insulated cable material features excellent dielectric properties, strong corrosion resistance against chemicals, high mechanical strength, and is fully recyclable, making it safe and environmentally friendly.
What are the common applications for PVC cable materials?
These materials are widely used in a variety of cables including optical cables, coaxial cables, network cables, and elevator cables.
Is PVC cable material environmentally friendly?
Yes, PVC cable materials are highly recyclable. They can be processed and reused, which significantly helps to reduce environmental impact.
What is the standard tensile strength for J-70 and J-90 materials?
The standard tensile strength for J-70 is ≥ 15.0 MPa, while the J-90 material has a tensile strength of ≥ 16.0 MPa. Both maintain their strength effectively even after aging.
How does aging affect the properties of the PVC cable material?
After aging tests (e.g., at 100±2℃ for 168 hours), the materials maintain their core physical properties. The maximum change rate for both tensile strength and tensile strain at break remains within ±20%.