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China PVC Insulated Cable Material Suppliers - High-Quality Factory Production 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 | Standard | 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 | Standard | 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 |
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| Mass loss/(g/m²) | ≤ | 20 | 20 | 20 | 20 |
❓ Frequently Asked Questions
Q: What are the primary features of PVC cable materials?
A: PVC cable materials are known for their excellent dielectric properties, strong corrosion resistance, high mechanical strength, and complete recyclability.
Q: Are PVC insulated cable materials safe for electrical applications?
A: Yes, PVC is an outstanding electrical insulation material that effectively prevents current leakage, ensuring the safe and stable operation of any cable system.
Q: What is the typical scope of use for these materials?
A: They are widely utilized in standard cables, optical cables, coaxial cables, network cables, and specialized elevator cables.
Q: Can PVC cable materials endure physical stress?
A: Absolutely. The material possesses sufficient mechanical strength to effectively resist tensile, extrusion, and bending stresses encountered during installation and use.
Q: Are these materials environmentally friendly?
A: Yes, PVC cable materials can be fully recycled and reused, which significantly helps in reducing environmental impact.
Q: How does aging affect the tensile properties of PVC cable material?
A: Even after standard aging tests (e.g., at 100±2℃ for 168 hours), the maximum change rate for both tensile strength and tensile strain at break remains within a highly stable ±20%.