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China PVC Insulated Cable Material Suppliers - High-Quality Factory Manufactured with Excellent Properties
Product Features
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.
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.
3. Mechanical Strength
PVC cable material has sufficient mechanical strength and can resist tensile, extrusion and bending stresses.
4. 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℃ / 168 h | 100±2℃ / 168 h | 100±2℃ / 168 h | 115±2℃ / 240 h |
| Mass loss / (g/m²) ≤ | 20 | 20 | 20 | 20 |
Frequently Asked Questions (FAQ)
What are the main features of PVC insulated cable materials?
PVC insulated cable materials are known for their excellent dielectric properties, strong corrosion resistance, high mechanical strength, and recyclability. These features ensure safe and stable operation in various applications.
Why is PVC considered a safe material for electrical insulation?
PVC is a highly effective electrical insulation material that prevents current leakage. Its excellent dielectric properties ensure the safe and stable operation of the entire cable system.
What is the typical scope of use for these PVC cables?
These PVC materials are widely used in manufacturing various types of cables, including optical cables, coaxial cables, network cables, and elevator cables.
Are PVC cable materials environmentally friendly?
Yes, PVC cable materials are recyclable. They can be processed and reused, which significantly helps in reducing environmental impact and promoting sustainability.
How does aging affect the mechanical properties of PVC cable materials?
Even after accelerated aging tests (e.g., at 100℃ or 135℃ for 168-240 hours), PVC cable materials maintain robust mechanical properties. The maximum change rate for tensile strength and tensile strain at break is strictly controlled within ±20%, ensuring long-term reliability.